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class='hx:flex hx:flex-col hx:gap-1 hx:relative hx:before:absolute hx:before:inset-y-1 hx:before:w-px hx:before:bg-gray-200 hx:before:content-[""] hx:dark:before:bg-neutral-800 hx:ltr:pl-3 hx:ltr:before:left-0 hx:rtl:pr-3 hx:rtl:before:right-0 hx:ltr:ml-3 hx:rtl:mr-3'
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<a
href="#cest-quoi-meshcore-"
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
>C’est quoi MeshCore ?</a>
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<li>
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href="#cas-dutilisation"
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
>Cas d’utilisation</a>
</li>
<li>
<a
href="#les-trois-r%c3%b4les"
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
>Les trois rôles</a>
</li>
<li>
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href="#comment-circule-un-message-"
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
>Comment circule un message ?</a>
</li>
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href="#r%c3%a9glages-radio-en-france"
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
>Réglages radio en France</a>
</li>
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href="#outils-utiles"
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
>Outils utiles</a>
</li>
<li>
<a
href="#pour-aller-plus-loin"
class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
>Pour aller plus loin</a>
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href="/documentation/companion/"
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<span class="hx:min-w-0 [word-break:break-word]">Companion</span>
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href="/documentation/repeater/"
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href="/documentation/room-server/"
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href="/documentation/ota_update/"
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<span class="hx:min-w-0 [word-break:break-word]">OTA Update</span>
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href="/materiel/wio-tracker-l1-pro/"
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<span class="hx:min-w-0 [word-break:break-word]">Wio Tracker L1 Pro</span>
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href="/materiel/wio-tracker-l2-pro/"
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<span class="hx:min-w-0 [word-break:break-word]">Wio Tracker L2 Pro</span>
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href="/materiel/sensecap-t1000e/"
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<span class="hx:min-w-0 [word-break:break-word]">SenseCAP T1000E</span>
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href="/materiel/sensecap-x1/"
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<span class="hx:min-w-0 [word-break:break-word]">SenseCAP X1</span>
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class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/materiel/sensecap-p1pro/"
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<span class="hx:min-w-0 [word-break:break-word]">SenseCAP P1Pro</span>
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href="/materiel/heltec-v4/"
>
<span class="hx:min-w-0 [word-break:break-word]">Heltec v4</span>
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<a
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/materiel/sensecap3dbi/"
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<span class="hx:min-w-0 [word-break:break-word]">Sensecap 3dBi</span>
</a>
</div>
</li><li class="hx:flex hx:flex-col "><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
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class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/materiel/mcgill9dbi/"
>
<span class="hx:min-w-0 [word-break:break-word]">McGill 9dBi</span>
</a>
</div>
</li></ul>
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<li class=""><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
<a
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/repeteurs/"
>
<span class="hx:min-w-0 [word-break:break-word]">Carte des répéteurs</span>
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<li class=""><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
<a
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/a-propos/"
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<span class="hx:min-w-0 [word-break:break-word]">À propos</span>
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</div></li>
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<a
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hextra-sidebar-active-item hx:bg-primary-100 hx:font-semibold hx:text-primary-800 hx:contrast-more:border hx:contrast-more:border-primary-500 hx:dark:bg-primary-400/10 hx:dark:text-primary-600 hx:contrast-more:dark:border-primary-500"
href="/documentation/meshcore/"
>
<span class="hx:min-w-0 [word-break:break-word]">Introduction à MeshCore</span>
</a>
</div></li>
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<a
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/documentation/companion/"
>
<span class="hx:min-w-0 [word-break:break-word]">Companion</span>
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<a
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/documentation/repeater/"
>
<span class="hx:min-w-0 [word-break:break-word]">Repeater</span>
</a>
</div></li>
<li class=""><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
<a
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/documentation/room-server/"
>
<span class="hx:min-w-0 [word-break:break-word]">Room Server</span>
</a>
</div></li>
<li class=""><div class="hextra-sidebar-item hx:group hx:relative hx:flex hx:items-center" data-active="false">
<a
class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:grow hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:hextra-focus-visible-inset hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50"
href="/documentation/ota_update/"
>
<span class="hx:min-w-0 [word-break:break-word]">OTA Update</span>
</a>
</div></li>
</ul>
</div>
<div class=" hx:sticky hx:bottom-0 hx:max-h-(--menu-height) hx:bg-white hx:dark:bg-dark hx:mx-4 hx:py-4 hx:shadow-[0_-12px_16px_#fff] hx:flex hx:items-center hx:gap-2 hx:border-gray-200 hx:dark:border-neutral-800 hx:dark:shadow-[0_-12px_16px_#111] hx:contrast-more:border-neutral-400 hx:contrast-more:shadow-none hx:contrast-more:dark:shadow-none hx:border-t" data-toggle-animation="show"><div class="hx:flex hx:grow hx:flex-col"><div class="hx:flex hx:justify-items-start hx:group" data-theme="light">
<button
title="Change theme"
data-state="closed"
data-location="bottom"
class="hextra-theme-toggle hx:cursor-pointer hx:rounded-md hx:text-left hx:font-medium hx:h-7 hx:px-2 hx:text-xs hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:font-medium hx:text-gray-600 hx:transition-colors hx:dark:text-gray-400 hx:grow"
type="button"
aria-label="Change theme"
aria-expanded="false"
aria-haspopup="menu"
>
<div class="hx:flex hx:items-center hx:gap-2 hx:capitalize"><svg height=12 class="hx:group-data-[theme=dark]:hidden hx:group-data-[theme=system]:hidden" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z"/></svg><span class="hx:group-data-[theme=dark]:hidden hx:group-data-[theme=system]:hidden">Light</span><svg height=12 class="hx:group-data-[theme=light]:hidden hx:group-data-[theme=system]:hidden" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z"/></svg><span class="hx:group-data-[theme=light]:hidden hx:group-data-[theme=system]:hidden">Dark</span><svg height=12 class="hx:group-data-[theme=dark]:hidden hx:group-data-[theme=light]:hidden" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor">
<path d="M 11.996094,2 C 6.4986225,2.0192368 2.03125,6.5024993 2.03125,12 c 0,5.497501 4.4673725,9.980763 9.964844,10 H 12 12.0039 c 5.497471,-0.01924 9.964844,-4.502499 9.964844,-10 0,-5.4975007 -4.467373,-9.9807632 -9.964844,-10 H 12 Z M 12,4 c 4.417218,0.017598 7.96875,3.5822356 7.96875,8 0,4.417764 -3.551532,7.982402 -7.96875,8 z" />
</svg>
<span class="hx:group-data-[theme=dark]:hidden hx:group-data-[theme=light]:hidden">System</span></div>
</button>
<ul
class="hextra-theme-toggle-options hx:hidden hx:z-20 hx:max-h-64 hx:overflow-auto hx:rounded-lg hx:border hx:border-gray-200 hx:bg-white hx:p-1 hx:text-sm hx:shadow-lg hx:dark:border-neutral-700 hx:dark:bg-neutral-900"
style="position: fixed; inset: auto auto 0px 0px; margin: 0px; min-width: 100px;"
data-theme="light"
role="menu"
>
<li role="none" class="hx:flex hx:flex-col">
<button
type="button"
role="menuitemradio"
aria-checked="true"
tabindex="-1"
data-item="light"
class="hx:text-gray-700 hx:dark:text-gray-300 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:hover:bg-neutral-800 hx:dark:hover:text-gray-100 hx:relative hx:cursor-pointer hx:whitespace-nowrap hx:rounded-sm hx:py-1.5 hx:transition-colors hx:ltr:pl-3 hx:ltr:pr-9 hx:rtl:pr-3 hx:rtl:pl-9 hx:text-left hx:w-full hx:bg-transparent hx:border-0"
>
Light
<span class="hx:absolute hx:inset-y-0 hx:flex hx:items-center hx:ltr:right-3 hx:rtl:left-3 hx:group-data-[theme=dark]:hidden hx:group-data-[theme=system]:hidden"><svg height=1em width=1em xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg></span>
</button>
</li>
<li role="none" class="hx:flex hx:flex-col">
<button
type="button"
role="menuitemradio"
aria-checked="false"
tabindex="-1"
data-item="dark"
class="hx:text-gray-700 hx:dark:text-gray-300 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:hover:bg-neutral-800 hx:dark:hover:text-gray-100 hx:relative hx:cursor-pointer hx:whitespace-nowrap hx:rounded-sm hx:py-1.5 hx:transition-colors hx:ltr:pl-3 hx:ltr:pr-9 hx:rtl:pr-3 hx:rtl:pl-9 hx:text-left hx:w-full hx:bg-transparent hx:border-0"
>
Dark
<span class="hx:absolute hx:inset-y-0 hx:flex hx:items-center hx:ltr:right-3 hx:rtl:left-3 hx:group-data-[theme=light]:hidden hx:group-data-[theme=system]:hidden"><svg height=1em width=1em xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg></span>
</button>
</li>
<li role="none" class="hx:flex hx:flex-col">
<button
type="button"
role="menuitemradio"
aria-checked="false"
tabindex="-1"
data-item="system"
class="hx:text-gray-700 hx:dark:text-gray-300 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:hover:bg-neutral-800 hx:dark:hover:text-gray-100 hx:relative hx:cursor-pointer hx:whitespace-nowrap hx:rounded-sm hx:py-1.5 hx:transition-colors hx:ltr:pl-3 hx:ltr:pr-9 hx:rtl:pr-3 hx:rtl:pl-9 hx:text-left hx:w-full hx:bg-transparent hx:border-0"
>
System
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<a href="/documentation/" class="hx:inline-block hx:rounded-sm hx:hextra-focus-visible-inset">Documentation</a>
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<div class="hx:flex hx:flex-col hx:sm:flex-row hx:items-start hx:sm:items-center hx:sm:justify-between hx:gap-4 hx:mb-4">
<h1 class="hx:mb-0">Introduction à MeshCore</h1>
</div>
<h2 data-hextra-search-id="cest-quoi-meshcore-">C&rsquo;est quoi MeshCore ?<span class="hx:absolute hx:-mt-20" id="cest-quoi-meshcore-"></span>
<a href="#cest-quoi-meshcore-" class="subheading-anchor" aria-label="Permalink for this section"></a></h2><p>MeshCore permet d&rsquo;échanger des messages texte sans internet ni réseau mobile, en s&rsquo;appuyant sur un réseau maillé (<em>mesh</em>).
C&rsquo;est un réseau communautaire ou chacun participe à sa construction.
À l&rsquo;inverse du réseau mobile avec lequelle vous envoyez des SMS, les antennes sont ajouter et maintenu par les opérateurs télécom qui vous le facture.
Ici vous achetez votre matos, il est a vous et vous ne payez pas d&rsquo;abonnement.</p>
<h2 data-hextra-search-id="cas-dutilisation">Cas d&rsquo;utilisation<span class="hx:absolute hx:-mt-20" id="cas-dutilisation"></span>
<a href="#cas-dutilisation" class="subheading-anchor" aria-label="Permalink for this section"></a></h2><ul>
<li><strong>Événements de masse</strong> : Si vous etes deja aller à un «gros» festival par exemple, vous connaissez le probleme du «trop de monde, pas de réseau».</li>
<li><strong>Activités extérieur</strong> : randonnée/trail en zone blanche.</li>
<li><strong>Catastrophes naturelles</strong> : séisme, inondation, incendie. Les infrastructures télécom ne fonctionnent plus.</li>
<li><strong>Expérimentation technique</strong> : juste s&rsquo;amuser avec la technologie.</li>
</ul>
<p>Pour l&rsquo;utiliser, il faut :</p>
<ul>
<li>un <strong>appareil compatible</strong> (Heltec, RAK, LilyGo, Seeed…) sur lequel on installe MeshCore</li>
<li>une <strong>application</strong> sur smartphone pour écrire et lire les messages. Par exemple <a href="https://play.google.com/store/apps/details?id=com.liamcottle.meshcore.android&amp;hl=en" target="_blank" rel="noopener">meshcore google playstore</a> ou <a href="https://github.com/zjs81/meshcore-open" target="_blank" rel="noopener">meshcore-open github</a> ou encore <a href="https://apps.apple.com/fr/app/meshcore/id6742354151" target="_blank" rel="noopener">meshcore iOS</a> ou le client <a href="https://app.meshcore.nz/" target="_blank" rel="noopener">web</a></li>
</ul>
<h2 data-hextra-search-id="les-trois-rôles">Les trois rôles<span class="hx:absolute hx:-mt-20" id="les-trois-rôles"></span>
<a href="#les-trois-r%c3%b4les" class="subheading-anchor" aria-label="Permalink for this section"></a></h2><p>Contrairement à d&rsquo;autres réseaux mesh où tous les nœuds se valent, MeshCore distingue des rôles précis, chacun avec son propre comportement. Cliquez sur une tuile pour voir la page détaillée.</p>
<div class="hextra-cards hx:mt-4 hx:gap-4 hx:grid not-prose" style="--hextra-cards-grid-cols: 3;">
<a class="hextra-card hx:group hx:flex hx:flex-col hx:justify-start hx:overflow-hidden hx:rounded-lg hx:border hx:border-gray-200 hx:text-current hx:no-underline hx:dark:shadow-none hx:hover:shadow-gray-100 hx:dark:hover:shadow-none hx:shadow-gray-100 hx:active:shadow-sm hx:active:shadow-gray-200 hx:transition-all hx:duration-200 hx:hover:border-gray-300 hx:bg-transparent hx:shadow-xs hx:dark:border-neutral-800 hx:hover:bg-slate-50 hx:hover:shadow-md hx:dark:hover:border-neutral-700 hx:dark:hover:bg-neutral-900" href="/documentation/companion/"><div>
<span class="hextra-card-icon hx:flex hx:font-semibold hx:items-start hx:gap-2 hx:pt-4 hx:px-4 hx:text-gray-700 hx:hover:text-gray-900 hx:dark:text-neutral-200 hx:dark:hover:text-neutral-50"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"/></svg>Companion</span><div class="hextra-card-subtitle hx:line-clamp-3 hx:text-sm hx:font-normal hx:text-gray-500 hx:dark:text-gray-400 hx:px-4 hx:mb-4 hx:mt-2">Votre appareil personnel. Il se connecte à l&rsquo;application (Bluetooth ou USB) pour envoyer et recevoir des messages. Il ne relaie pas le trafic des autres.</div></div></a>
<a class="hextra-card hx:group hx:flex hx:flex-col hx:justify-start hx:overflow-hidden hx:rounded-lg hx:border hx:border-gray-200 hx:text-current hx:no-underline hx:dark:shadow-none hx:hover:shadow-gray-100 hx:dark:hover:shadow-none hx:shadow-gray-100 hx:active:shadow-sm hx:active:shadow-gray-200 hx:transition-all hx:duration-200 hx:hover:border-gray-300 hx:bg-transparent hx:shadow-xs hx:dark:border-neutral-800 hx:hover:bg-slate-50 hx:hover:shadow-md hx:dark:hover:border-neutral-700 hx:dark:hover:bg-neutral-900" href="/documentation/repeater/"><div>
<span class="hextra-card-icon hx:flex hx:font-semibold hx:items-start hx:gap-2 hx:pt-4 hx:px-4 hx:text-gray-700 hx:hover:text-gray-900 hx:dark:text-neutral-200 hx:dark:hover:text-neutral-50"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M5.636 18.364a9 9 0 010-12.728m12.728 0a9 9 0 010 12.728m-9.9-2.829a5 5 0 010-7.07m7.072 0a5 5 0 010 7.07M13 12a1 1 0 11-2 0 1 1 0 012 0z"/></svg>Repeater</span><div class="hextra-card-subtitle hx:line-clamp-3 hx:text-sm hx:font-normal hx:text-gray-500 hx:dark:text-gray-400 hx:px-4 hx:mb-4 hx:mt-2">Un nœud fixe, placé idéalement en hauteur, qui retransmet les messages pour étendre la couverture. C&rsquo;est l&rsquo;infrastructure du réseau.</div></div></a>
<a class="hextra-card hx:group hx:flex hx:flex-col hx:justify-start hx:overflow-hidden hx:rounded-lg hx:border hx:border-gray-200 hx:text-current hx:no-underline hx:dark:shadow-none hx:hover:shadow-gray-100 hx:dark:hover:shadow-none hx:shadow-gray-100 hx:active:shadow-sm hx:active:shadow-gray-200 hx:transition-all hx:duration-200 hx:hover:border-gray-300 hx:bg-transparent hx:shadow-xs hx:dark:border-neutral-800 hx:hover:bg-slate-50 hx:hover:shadow-md hx:dark:hover:border-neutral-700 hx:dark:hover:bg-neutral-900" href="/documentation/room-server/"><div>
<span class="hextra-card-icon hx:flex hx:font-semibold hx:items-start hx:gap-2 hx:pt-4 hx:px-4 hx:text-gray-700 hx:hover:text-gray-900 hx:dark:text-neutral-200 hx:dark:hover:text-neutral-50"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M7 8h10M7 12h4m1 8l-4-4H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-3l-4 4z"/></svg>Room Server</span><div class="hextra-card-subtitle hx:line-clamp-3 hx:text-sm hx:font-normal hx:text-gray-500 hx:dark:text-gray-400 hx:px-4 hx:mb-4 hx:mt-2">Une sorte de place publique : les clients s&rsquo;y connectent pour déposer et relire des messages partagés sur le salon.</div></div></a>
</div>
<p>La conséquence pratique est importante : <strong>la couverture du réseau dépend surtout du placement des répéteurs</strong>, pas du nombre de companions.</p>
<h2 data-hextra-search-id="comment-circule-un-message-">Comment circule un message ?<span class="hx:absolute hx:-mt-20" id="comment-circule-un-message-"></span>
<a href="#comment-circule-un-message-" class="subheading-anchor" aria-label="Permalink for this section"></a></h2><p>MeshCore utilise un routage hybride :</p>
<ol>
<li>Le <strong>premier message</strong> vers un destinataire est diffusé (<em>flood</em>) via les répéteurs pour découvrir un chemin.</li>
<li>Le chemin emprunté est mémorisé.</li>
<li>Les messages suivants sont envoyés <strong>le long de ce chemin connu</strong>, sans être rediffusés partout.</li>
<li>Si le chemin ne fonctionne plus, le réseau retombe sur la diffusion.</li>
</ol>
<p>Résultat : moins d&rsquo;occupation du canal radio, ce qui compte beaucoup sur une bande partagée et limitée en temps d&rsquo;émission.</p>
<div
data-alert="note" class="hextra-alert"
>
<p class="hextra-alert-title"><svg height=16px class="hextra-alert-icon" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg><span class="hextra-alert-title-text">Note</span>
</p>
<div class="hextra-alert-content"><p>Le chemin peut etre définit manuellement</p></div>
</div>
<h2 data-hextra-search-id="réglages-radio-en-france">Réglages radio en France<span class="hx:absolute hx:-mt-20" id="réglages-radio-en-france"></span>
<a href="#r%c3%a9glages-radio-en-france" class="subheading-anchor" aria-label="Permalink for this section"></a></h2><p>La communauté française utilise le preset <strong>EU/UK (Narrow)</strong> :</p>
<table>
<thead>
<tr>
<th>Paramètre</th>
<th>Valeur</th>
</tr>
</thead>
<tbody>
<tr>
<td>Fréquence</td>
<td>869,618 MHz</td>
</tr>
<tr>
<td>Bande passante</td>
<td>62,5 kHz</td>
</tr>
<tr>
<td>Spreading Factor</td>
<td>SF8</td>
</tr>
<tr>
<td>Coding Rate</td>
<td>CR8</td>
</tr>
</tbody>
</table>
<p>La bande 868 MHz est partagée et soumise à des règles (puissance, temps d&rsquo;émission). Le réseau est commun : un mauvais réglage gêne les autres utilisateurs.</p>
<h2 data-hextra-search-id="outils-utiles">Outils utiles<span class="hx:absolute hx:-mt-20" id="outils-utiles"></span>
<a href="#outils-utiles" class="subheading-anchor" aria-label="Permalink for this section"></a></h2><table>
<thead>
<tr>
<th>Besoin</th>
<th>Adresse</th>
</tr>
</thead>
<tbody>
<tr>
<td>Installer un firmware</td>
<td><a href="https://flasher.meshcore.io" target="_blank" rel="noopener">flasher.meshcore.io</a></td>
</tr>
<tr>
<td>Configurer un répéteur par USB</td>
<td><a href="https://config.meshcore.io" target="_blank" rel="noopener">config.meshcore.io</a></td>
</tr>
<tr>
<td>Documentation technique</td>
<td><a href="https://docs.meshcore.io" target="_blank" rel="noopener">docs.meshcore.io</a></td>
</tr>
<tr>
<td>Carte des nœuds</td>
<td><a href="https://map.meshcore.io" target="_blank" rel="noopener">map.meshcore.io</a></td>
</tr>
<tr>
<td>Informations France</td>
<td><a href="https://meshcore.fr" target="_blank" rel="noopener">meshcore.fr</a></td>
</tr>
</tbody>
</table>
<h2 data-hextra-search-id="pour-aller-plus-loin">Pour aller plus loin<span class="hx:absolute hx:-mt-20" id="pour-aller-plus-loin"></span>
<a href="#pour-aller-plus-loin" class="subheading-anchor" aria-label="Permalink for this section"></a></h2><ul>
<li>Voir <a href="/repeteurs/">les répéteurs</a> sur la carte.</li>
<li>Lire mes <a href="/materiel/">tests de matériel</a>.</li>
</ul>
</div>
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<span class="hx:absolute hx:inset-y-0 hx:flex hx:items-center hx:ltr:right-3 hx:rtl:left-3 hx:group-data-[theme=dark]:hidden hx:group-data-[theme=light]:hidden"><svg height="1em" width="1em" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg></span></button></li></ul></div></div></div></aside><nav class="hextra-toc hx:order-last hx:hidden hx:w-64 hx:shrink-0 hx:xl:block hx:print:hidden hx:px-4" aria-label="Table of contents"><div class="hextra-scrollbar hx:sticky hx:top-[var(--hextra-navbar-height)] hx:overflow-y-auto hx:pr-4 hx:pt-6 hx:text-sm [hyphens:auto] hx:max-h-[calc(100vh-var(--hextra-navbar-height)-env(safe-area-inset-bottom))] hx:ltr:-mr-4 hx:rtl:-ml-4"><p class="hx:mb-4 hx:font-semibold hx:tracking-tight">On this page</p><ul><li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6"><a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href=#cest-quoi-meshcore->C’est quoi MeshCore ?</a></li><li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6"><a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href=#cas-dutilisation>Cas d’utilisation</a></li><li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6"><a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href=#les-trois-r%c3%b4les>Les trois rôles</a></li><li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6"><a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href=#comment-circule-un-message->Comment circule un message ?</a></li><li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6"><a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href=#r%c3%a9glages-radio-en-france>Réglages radio en France</a></li><li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6"><a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href=#outils-utiles>Outils utiles</a></li><li class="hx:my-2 hx:scroll-my-6 hx:scroll-py-6"><a class="hx:font-medium hx:inline-block hx:rounded-sm hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-300 hx:contrast-more:text-gray-900 hx:contrast-more:underline hx:contrast-more:dark:text-gray-50 hx:w-full hx:wrap-break-word hx:hextra-focus-visible-inset" href=#pour-aller-plus-loin>Pour aller plus loin</a></li></ul><div class="hx:mt-8 hx:border-t hx:bg-white hx:pt-8 hx:shadow-[0_-12px_16px_white] hx:dark:bg-dark hx:dark:shadow-[0_-12px_16px_#111] hx:sticky hx:bottom-0 hx:flex hx:flex-col hx:items-start hx:gap-2 hx:pb-8 hx:border-gray-200 hx:dark:border-neutral-800 hx:contrast-more:border-t hx:contrast-more:border-neutral-400 hx:contrast-more:shadow-none hx:contrast-more:dark:border-neutral-400"><button id=backToTop tabindex=-1 class="hx:cursor-pointer hx:transition-all hx:duration-75 hx:opacity-0 hx:text-xs hx:font-medium hx:text-gray-500 hx:hover:text-gray-900 hx:dark:text-gray-400 hx:dark:hover:text-gray-100 hx:contrast-more:text-gray-800 hx:contrast-more:dark:text-gray-50">
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<svg fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true" focusable="false" class="hx:inline hx:ltr:ml-1 hx:rtl:mr-1 hx:h-3.5 hx:w-3.5 hx:rounded-full hx:border hx:border-gray-500 hx:hover:border-gray-900 hx:dark:border-gray-400 hx:dark:hover:border-gray-100 hx:contrast-more:border-gray-800 hx:contrast-more:dark:border-gray-50"><path stroke-linecap="round" stroke-linejoin="round" d="M4.5 15.75l7.5-7.5 7.5 7.5"/></svg></button></div></div></nav><article class="hx:w-full hx:break-words hx:flex hx:min-h-[calc(100vh-var(--hextra-navbar-height))] hx:min-w-0 hx:justify-center hx:pb-8 hx:pr-[calc(env(safe-area-inset-right)-1.5rem)]"><main id=content class="hx:w-full hx:min-w-0 hextra-max-content-width hx:px-6 hx:pt-4 hx:md:px-12"><div class="hx:mt-1.5 hx:flex hx:items-center hx:gap-1 hx:overflow-hidden hx:text-sm hx:text-gray-500 hx:dark:text-gray-400 hx:contrast-more:text-current"><div class="hx:whitespace-nowrap hx:transition-colors hx:min-w-[24px] hx:overflow-hidden hx:text-ellipsis hx:hover:text-gray-900 hx:dark:hover:text-gray-100"><a href=/documentation/ class="hx:inline-block hx:rounded-sm hx:hextra-focus-visible-inset">Documentation</a></div><svg class="hx:w-3.5 hx:shrink-0 hx:rtl:-rotate-180" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M9 5l7 7-7 7"/></svg><div class="hx:whitespace-nowrap hx:transition-colors hx:font-medium hx:text-gray-700 hx:contrast-more:font-bold hx:contrast-more:text-current hx:dark:text-gray-100 hx:contrast-more:dark:text-current">Introduction à MeshCore</div></div><div class=content><div class="hx:flex hx:flex-col hx:sm:flex-row hx:items-start hx:sm:items-center hx:sm:justify-between hx:gap-4 hx:mb-4"><h1 class=hx:mb-0>Introduction à MeshCore</h1></div><h2 data-hextra-search-id=cest-quoi-meshcore->C&rsquo;est quoi MeshCore ?<span class="hx:absolute hx:-mt-20" id=cest-quoi-meshcore-></span>
<a href=#cest-quoi-meshcore- class=subheading-anchor aria-label="Permalink for this section"></a></h2><p>MeshCore permet d&rsquo;échanger des messages texte sans internet ni réseau mobile, en s&rsquo;appuyant sur un réseau maillé (<em>mesh</em>).
C&rsquo;est un réseau communautaire où chacun participe à sa construction.
À l&rsquo;inverse du réseau mobile, avec lequel vous envoyez des SMS et dont les antennes sont ajoutées et maintenues par les opérateurs télécom qui vous les facturent.
Ici, vous achetez votre matos, il est à vous et vous ne payez pas d&rsquo;abonnement.</p><h2 data-hextra-search-id=cas-dutilisation>Cas d&rsquo;utilisation<span class="hx:absolute hx:-mt-20" id=cas-dutilisation></span>
<a href=#cas-dutilisation class=subheading-anchor aria-label="Permalink for this section"></a></h2><ul><li><strong>Événements de masse</strong> : si vous êtes déjà allé à un « gros » festival par exemple, vous connaissez le problème du « trop de monde, pas de réseau ».</li><li><strong>Activités extérieures</strong> : randonnée/trail en zone blanche.</li><li><strong>Catastrophes naturelles</strong> : séisme, inondation, incendie. Les infrastructures télécom ne fonctionnent plus.</li><li><strong>Expérimentation technique</strong> : juste s&rsquo;amuser avec la technologie.</li></ul><p>Pour l&rsquo;utiliser, il faut :</p><ul><li>un <strong>appareil compatible</strong> (Heltec, RAK, LilyGo, Seeed…) sur lequel on installe MeshCore ;</li><li>une <strong>application</strong> sur smartphone pour écrire et lire les messages. Par exemple <a href="https://play.google.com/store/apps/details?id=com.liamcottle.meshcore.android&amp;hl=en" target=_blank rel=noopener>meshcore google playstore</a> ou <a href=https://github.com/zjs81/meshcore-open target=_blank rel=noopener>meshcore-open github</a> ou encore <a href=https://apps.apple.com/fr/app/meshcore/id6742354151 target=_blank rel=noopener>meshcore iOS</a> ou le client <a href=https://app.meshcore.nz/ target=_blank rel=noopener>web</a>.</li></ul><h2 data-hextra-search-id=les-trois-rôles>Les trois rôles<span class="hx:absolute hx:-mt-20" id=les-trois-rôles></span>
<a href=#les-trois-r%c3%b4les class=subheading-anchor aria-label="Permalink for this section"></a></h2><p>Contrairement à d&rsquo;autres réseaux mesh où tous les nœuds se valent, MeshCore distingue des rôles précis, chacun avec son propre comportement. Cliquez sur une tuile pour voir la page détaillée.</p><div class="hextra-cards hx:mt-4 hx:gap-4 hx:grid not-prose" style=--hextra-cards-grid-cols:3><a class="hextra-card hx:group hx:flex hx:flex-col hx:justify-start hx:overflow-hidden hx:rounded-lg hx:border hx:border-gray-200 hx:text-current hx:no-underline hx:dark:shadow-none hx:hover:shadow-gray-100 hx:dark:hover:shadow-none hx:shadow-gray-100 hx:active:shadow-sm hx:active:shadow-gray-200 hx:transition-all hx:duration-200 hx:hover:border-gray-300 hx:bg-transparent hx:shadow-xs hx:dark:border-neutral-800 hx:hover:bg-slate-50 hx:hover:shadow-md hx:dark:hover:border-neutral-700 hx:dark:hover:bg-neutral-900" href=/documentation/companion/><div><span class="hextra-card-icon hx:flex hx:font-semibold hx:items-start hx:gap-2 hx:pt-4 hx:px-4 hx:text-gray-700 hx:hover:text-gray-900 hx:dark:text-neutral-200 hx:dark:hover:text-neutral-50"><svg fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M16 7A4 4 0 118 7a4 4 0 018 0zm-4 7a7 7 0 00-7 7h14a7 7 0 00-7-7z"/></svg>Companion</span><div class="hextra-card-subtitle hx:line-clamp-3 hx:text-sm hx:font-normal hx:text-gray-500 hx:dark:text-gray-400 hx:px-4 hx:mb-4 hx:mt-2">Votre appareil personnel. Il se connecte à l&rsquo;application (Bluetooth ou USB) pour envoyer et recevoir des messages. Il ne relaie pas le trafic des autres.</div></div></a><a class="hextra-card hx:group hx:flex hx:flex-col hx:justify-start hx:overflow-hidden hx:rounded-lg hx:border hx:border-gray-200 hx:text-current hx:no-underline hx:dark:shadow-none hx:hover:shadow-gray-100 hx:dark:hover:shadow-none hx:shadow-gray-100 hx:active:shadow-sm hx:active:shadow-gray-200 hx:transition-all hx:duration-200 hx:hover:border-gray-300 hx:bg-transparent hx:shadow-xs hx:dark:border-neutral-800 hx:hover:bg-slate-50 hx:hover:shadow-md hx:dark:hover:border-neutral-700 hx:dark:hover:bg-neutral-900" href=/documentation/repeater/><div><span class="hextra-card-icon hx:flex hx:font-semibold hx:items-start hx:gap-2 hx:pt-4 hx:px-4 hx:text-gray-700 hx:hover:text-gray-900 hx:dark:text-neutral-200 hx:dark:hover:text-neutral-50"><svg fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M5.636 18.364a9 9 0 010-12.728m12.728.0a9 9 0 010 12.728m-9.9-2.829a5 5 0 010-7.07m7.072.0a5 5 0 010 7.07M13 12a1 1 0 11-2 0 1 1 0 012 0z"/></svg>Repeater</span><div class="hextra-card-subtitle hx:line-clamp-3 hx:text-sm hx:font-normal hx:text-gray-500 hx:dark:text-gray-400 hx:px-4 hx:mb-4 hx:mt-2">Un nœud fixe, placé idéalement en hauteur, qui retransmet les messages pour étendre la couverture. C&rsquo;est l&rsquo;infrastructure du réseau.</div></div></a><a class="hextra-card hx:group hx:flex hx:flex-col hx:justify-start hx:overflow-hidden hx:rounded-lg hx:border hx:border-gray-200 hx:text-current hx:no-underline hx:dark:shadow-none hx:hover:shadow-gray-100 hx:dark:hover:shadow-none hx:shadow-gray-100 hx:active:shadow-sm hx:active:shadow-gray-200 hx:transition-all hx:duration-200 hx:hover:border-gray-300 hx:bg-transparent hx:shadow-xs hx:dark:border-neutral-800 hx:hover:bg-slate-50 hx:hover:shadow-md hx:dark:hover:border-neutral-700 hx:dark:hover:bg-neutral-900" href=/documentation/room-server/><div><span class="hextra-card-icon hx:flex hx:font-semibold hx:items-start hx:gap-2 hx:pt-4 hx:px-4 hx:text-gray-700 hx:hover:text-gray-900 hx:dark:text-neutral-200 hx:dark:hover:text-neutral-50"><svg fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M7 8h10M7 12h4m1 8-4-4H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-3l-4 4z"/></svg>Room Server</span><div class="hextra-card-subtitle hx:line-clamp-3 hx:text-sm hx:font-normal hx:text-gray-500 hx:dark:text-gray-400 hx:px-4 hx:mb-4 hx:mt-2">Une sorte de place publique : les clients s&rsquo;y connectent pour déposer et relire des messages partagés sur le salon.</div></div></a></div><p>La conséquence pratique est importante : <strong>la couverture du réseau dépend surtout du placement des répéteurs</strong>, pas du nombre de companions.</p><h2 data-hextra-search-id=comment-circule-un-message->Comment circule un message ?<span class="hx:absolute hx:-mt-20" id=comment-circule-un-message-></span>
<a href=#comment-circule-un-message- class=subheading-anchor aria-label="Permalink for this section"></a></h2><p>MeshCore utilise un routage hybride :</p><ol><li>Le <strong>premier message</strong> vers un destinataire est diffusé (<em>flood</em>) via les répéteurs pour découvrir un chemin.</li><li>Le chemin emprunté est mémorisé.</li><li>Les messages suivants sont envoyés <strong>le long de ce chemin connu</strong>, sans être rediffusés partout.</li><li>Si le chemin ne fonctionne plus, le réseau retombe sur la diffusion.</li></ol><p>Résultat : moins d&rsquo;occupation du canal radio, ce qui compte beaucoup sur une bande partagée et limitée en temps d&rsquo;émission.</p><div data-alert=note class=hextra-alert><p class=hextra-alert-title><svg height="16" class="hextra-alert-icon" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" d="M13 16h-1v-4h-1m1-4h.01M21 12A9 9 0 113 12a9 9 0 0118 0z"/></svg><span class=hextra-alert-title-text>Note</span></p><div class=hextra-alert-content><p>Le chemin peut être défini manuellement.</p></div></div><h2 data-hextra-search-id=réglages-radio-en-france>Réglages radio en France<span class="hx:absolute hx:-mt-20" id=réglages-radio-en-france></span>
<a href=#r%c3%a9glages-radio-en-france class=subheading-anchor aria-label="Permalink for this section"></a></h2><p>La communauté française utilise le preset <strong>EU/UK (Narrow)</strong> :</p><table><thead><tr><th>Paramètre</th><th>Valeur</th></tr></thead><tbody><tr><td>Fréquence</td><td>869,618 MHz</td></tr><tr><td>Bande passante</td><td>62,5 kHz</td></tr><tr><td>Spreading Factor</td><td>SF8</td></tr><tr><td>Coding Rate</td><td>CR8</td></tr></tbody></table><p>La bande 868 MHz est partagée et soumise à des règles (puissance, temps d&rsquo;émission). Le réseau est commun : un mauvais réglage gêne les autres utilisateurs.</p><h2 data-hextra-search-id=outils-utiles>Outils utiles<span class="hx:absolute hx:-mt-20" id=outils-utiles></span>
<a href=#outils-utiles class=subheading-anchor aria-label="Permalink for this section"></a></h2><table><thead><tr><th>Besoin</th><th>Adresse</th></tr></thead><tbody><tr><td>Installer un firmware</td><td><a href=https://flasher.meshcore.io target=_blank rel=noopener>flasher.meshcore.io</a></td></tr><tr><td>Configurer un répéteur par USB</td><td><a href=https://config.meshcore.io target=_blank rel=noopener>config.meshcore.io</a></td></tr><tr><td>Documentation technique</td><td><a href=https://docs.meshcore.io target=_blank rel=noopener>docs.meshcore.io</a></td></tr><tr><td>Carte des nœuds</td><td><a href=https://map.meshcore.io target=_blank rel=noopener>map.meshcore.io</a></td></tr><tr><td>Informations France</td><td><a href=https://meshcore.fr target=_blank rel=noopener>meshcore.fr</a></td></tr></tbody></table><h2 data-hextra-search-id=pour-aller-plus-loin>Pour aller plus loin<span class="hx:absolute hx:-mt-20" id=pour-aller-plus-loin></span>
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