{"id":188,"date":"2025-07-14T22:22:03","date_gmt":"2025-07-14T20:22:03","guid":{"rendered":"https:\/\/meshtastic.lorapaca.org\/?page_id=188"},"modified":"2025-07-19T19:20:39","modified_gmt":"2025-07-19T17:20:39","slug":"heltec-t114-vs-heltec-v3","status":"publish","type":"page","link":"https:\/\/meshtastic.lorapaca.org\/?page_id=188","title":{"rendered":"Heltec T114 vs Heltec V3"},"content":{"rendered":"\n

Quel module LoRa choisir pour Meshtastic ?<\/h4>\n\n\n\n

Les modules Heltec T114<\/strong> (nRF52840) et Heltec V3<\/strong> (ESP32-S3) sont deux solutions efficaces pour cr\u00e9er un r\u00e9seau Meshtastic. Voici un comparatif complet pour t\u2019aider \u00e0 choisir selon ton projet.<\/p>\n\n\n\n

\ud83d\udd0d Architecture g\u00e9n\u00e9rale<\/h4>\n\n\n\n
Crit\u00e8re<\/th>Heltec T114 (nRF52840)<\/th>Heltec V3 (ESP32-S3)<\/th><\/tr>
Microcontr\u00f4leur<\/td>ARM Cortex-M4F<\/td>Xtensa LX7 (dual-core)<\/td><\/tr>
Wi-Fi<\/td>\u274c Non<\/td>\u2705 Oui<\/td><\/tr>
Bluetooth<\/td>\u2705 5.0 + Mesh<\/td>\u2705 5.0<\/td><\/tr>
USB natif<\/td>\u2705 Oui (USB-C)<\/td>\u2705 Oui (USB-C)<\/td><\/tr>
LoRa int\u00e9gr\u00e9<\/td>\u2705 SX1262<\/td>\u2705 SX1262<\/td><\/tr>
GPS int\u00e9gr\u00e9<\/td>\u274c En option<\/td>\u2705 Sur certains mod\u00e8les<\/td><\/tr>
\u00c9cran<\/td>\u2705 TFT 1.14″ (optionnel)<\/td>\u2705 OLED ou TFT selon mod\u00e8le<\/td><\/tr>
Consommation<\/td>\ud83d\udd0b Ultra faible (11 \u00b5A deep sleep)<\/td>\u26a1 Moyenne \u00e0 basse<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u2705 Avantages du Heltec T114<\/h4>\n\n\n\n
\"\"<\/figure>\n\n\n\n
    \n
  • Tr\u00e8s faible consommation \u2014 id\u00e9al pour les projets solaires ou sur batterie.<\/li>\n\n\n\n
  • Design robuste avec PCB 6 couches.<\/li>\n\n\n\n
  • Bluetooth Mesh int\u00e9gr\u00e9 pour r\u00e9seau d\u00e9centralis\u00e9.<\/li>\n\n\n\n
  • USB natif, pas besoin de convertisseur s\u00e9rie.<\/li>\n<\/ul>\n\n\n\n

    \u2705 Avantages du Heltec V3<\/h4>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
      \n
    • Wi-Fi int\u00e9gr\u00e9 \u2014 configuration via navigateur ou OTA.<\/li>\n\n\n\n
    • Plus de puissance pour traitement embarqu\u00e9.<\/li>\n\n\n\n
    • GPS et \u00e9cran souvent inclus \u2014 pr\u00eat \u00e0 l\u2019emploi.<\/li>\n<\/ul>\n\n\n\n

      \u274c Inconv\u00e9nients<\/h4>\n\n\n\n
      Module<\/th>Principaux inconv\u00e9nients<\/th><\/tr>
      T114<\/td>Pas de Wi-Fi, GPS en option, documentation limit\u00e9e.<\/td><\/tr>
      V3<\/td>Consommation plus \u00e9lev\u00e9e, parfois sensible aux interf\u00e9rences RF.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \ud83c\udfaf Recommandations selon l\u2019usage<\/h4>\n\n\n\n
      Besoin<\/th>Module recommand\u00e9<\/th><\/tr>
      Autonomie longue dur\u00e9e<\/td>Heltec T114<\/td><\/tr>
      D\u00e9ploiement rapide<\/td>Heltec V3<\/td><\/tr>
      Utilisation ext\u00e9rieure avec panneau solaire<\/td>Heltec T114<\/td><\/tr>
      Configuration facile via Wi-Fi<\/td>Heltec V3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \ud83d\udce6 Conclusion<\/h4>\n\n\n\n

      Le Heltec T114<\/strong> brille par sa sobri\u00e9t\u00e9 \u00e9nerg\u00e9tique et sa robustesse, id\u00e9al pour des installations LoRa durables et autonomes. Le Heltec V3<\/strong> propose plus de puissance et de fonctionnalit\u00e9s int\u00e9gr\u00e9es, adapt\u00e9 aux utilisateurs qui privil\u00e9gient la connectivit\u00e9 et la facilit\u00e9 d\u2019installation.<\/p>\n\n\n\n

      <\/p>\n","protected":false},"excerpt":{"rendered":"

      Quel module LoRa choisir pour Meshtastic ? Les modules Heltec T114 (nRF52840) et Heltec V3 (ESP32-S3) sont deux solutions efficaces…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":205,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-188","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/pages\/188","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=188"}],"version-history":[{"count":0,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/pages\/188\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/pages\/205"}],"wp:attachment":[{"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}