{"title":"Heltec Expansion Kit","description":"","products":[{"product_id":"heltec-mesh-node-t114","title":"Carte LoRa et Bluetooth 5.0 avec GPS et énergie solaire intégrée","description":"\u003ch2 data-end=\"245\" data-start=\"33\" style=\"text-align: left;\"\u003e\u003cstrong data-end=\"63\" data-start=\"33\"\u003eBrand and Product Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"245\" data-start=\"33\"\u003e\u003cstrong data-end=\"76\" data-start=\"66\"\u003eMarque :\u003c\/strong\u003e \u003cstrong data-end=\"91\" data-start=\"77\"\u003eMeshnology\u003c\/strong\u003e\u003cbr data-end=\"94\" data-start=\"91\"\u003e\u003cstrong data-end=\"111\" data-start=\"94\"\u003eNom du produit :\u003c\/strong\u003e \u003cstrong data-end=\"130\" data-start=\"112\"\u003eMesh Node T114\u003c\/strong\u003e\u003cbr data-end=\"133\" data-start=\"130\"\u003e\u003cstrong data-end=\"161\" data-start=\"133\"\u003eTechnologie de connectivité :\u003c\/strong\u003e \u003cstrong data-end=\"179\" data-start=\"162\"\u003eBluetooth 5.0\u003c\/strong\u003e, \u003cstrong data-end=\"188\" data-start=\"181\"\u003eUSB\u003c\/strong\u003e\u003cbr data-end=\"191\" data-start=\"188\"\u003e\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e \u003cstrong\u003eModule pour nœud Mesh T114\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOperating System: Linux\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"245\" data-start=\"33\" style=\"text-align: left;\"\u003e\u003cstrong data-end=\"305\" data-start=\"280\"\u003eAdvanced Connectivity\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"245\" data-start=\"33\"\u003eThe \u003cstrong data-end=\"330\" data-start=\"312\"\u003eMesh Node T114\u003c\/strong\u003e features a powerful \u003cstrong data-end=\"367\" data-start=\"351\"\u003enRF52840 MCU\u003c\/strong\u003e and \u003cstrong data-end=\"395\" data-start=\"372\"\u003eSX1262 LoRa chipset\u003c\/strong\u003e, offering outstanding support for \u003cstrong data-end=\"438\" data-start=\"430\"\u003eLoRa\u003c\/strong\u003e and \u003cstrong data-end=\"460\" data-start=\"443\"\u003eBluetooth 5.0\u003c\/strong\u003e. This makes it an excellent choice for \u003cstrong data-end=\"520\" data-start=\"500\"\u003eIoT applications\u003c\/strong\u003e, ensuring robust and reliable connectivity.\u003c\/p\u003e\n\u003ch3 data-end=\"818\" data-start=\"566\" style=\"text-align: left;\"\u003e\u003cstrong data-end=\"577\" data-start=\"566\"\u003eAffichage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"818\" data-start=\"566\"\u003eÉquipé d’un superbe \u003cstrong data-end=\"626\" data-start=\"605\"\u003eécran TFT-LCD 1,14 pouces\u003c\/strong\u003e, offrant une \u003cstrong data-end=\"676\" data-start=\"647\"\u003erésolution de 135x240 pixels\u003c\/strong\u003e et la capacité d’afficher jusqu’à \u003cstrong data-end=\"725\" data-start=\"710\"\u003e262 000 couleurs\u003c\/strong\u003e. Cela garantit une \u003cstrong data-end=\"777\" data-start=\"756\"\u003eprésentation des données\u003c\/strong\u003e claire et vive pour une interaction et un suivi sans faille.\u003c\/p\u003e\n\u003ch3 data-end=\"1076\" data-start=\"820\" style=\"text-align: left;\"\u003e\u003cstrong data-end=\"845\" data-start=\"820\"\u003eLow Power Consumption\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1076\" data-start=\"820\"\u003eThe \u003cstrong data-end=\"870\" data-start=\"852\"\u003eMesh Node T114\u003c\/strong\u003e operates with remarkable \u003cstrong data-end=\"921\" data-start=\"896\"\u003elow power consumption\u003c\/strong\u003e, featuring a \u003cstrong data-end=\"954\" data-start=\"935\"\u003edeep sleep mode\u003c\/strong\u003e that consumes only \u003cstrong data-end=\"983\" data-start=\"974\"\u003e11 µA\u003c\/strong\u003e, making it ideal for \u003cstrong data-end=\"1032\" data-start=\"1005\"\u003ebattery-powered devices\u003c\/strong\u003e and sustainable \u003cstrong data-end=\"1075\" data-start=\"1049\"\u003esolar-powered projects\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-end=\"1397\" data-start=\"1078\" style=\"text-align: left;\"\u003e\u003cstrong data-end=\"1095\" data-start=\"1078\"\u003eCompatibilité\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1397\" data-start=\"1078\"\u003eS’intègre parfaitement à \u003cstrong data-end=\"1136\" data-start=\"1125\"\u003eArduino\u003c\/strong\u003e, offrant un environnement de développement convivial et des \u003cstrong data-end=\"1217\" data-start=\"1204\"\u003ebibliothèques\u003c\/strong\u003e prêtes à l’emploi. Parfait pour expérimenter avec des projets comme \u003cstrong data-end=\"1278\" data-start=\"1264\"\u003eMeshtastic\u003c\/strong\u003e, il prend aussi en charge une configuration multi-connecteurs étendue, incluant \u003cstrong data-end=\"1350\" data-start=\"1343\"\u003eGPS\u003c\/strong\u003e, \u003cstrong data-end=\"1368\" data-start=\"1352\"\u003epanneaux solaires\u003c\/strong\u003e et autres périphériques supplémentaires.\u003c\/p\u003e\n\u003ch3 data-end=\"1749\" data-start=\"1399\" style=\"text-align: left;\"\u003e\u003cstrong data-end=\"1422\" data-start=\"1399\"\u003eFonctions de protection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1749\" data-start=\"1399\"\u003eThe \u003cstrong data-end=\"1447\" data-start=\"1429\"\u003eMesh Node T114\u003c\/strong\u003e includes comprehensive \u003cstrong data-end=\"1493\" data-start=\"1471\"\u003evoltage regulation\u003c\/strong\u003e on the \u003cstrong data-end=\"1525\" data-start=\"1501\"\u003eType-C USB interface\u003c\/strong\u003e, along with \u003cstrong data-end=\"1556\" data-start=\"1538\"\u003eESD protection\u003c\/strong\u003e, \u003cstrong data-end=\"1586\" data-start=\"1558\"\u003eshort-circuit protection\u003c\/strong\u003e, and \u003cstrong data-end=\"1608\" data-start=\"1592\"\u003eRF shielding\u003c\/strong\u003e. These features ensure durability even in challenging environments, with an operating temperature range from \u003cstrong data-end=\"1733\" data-start=\"1718\"\u003e-20 to 70°C\u003c\/strong\u003e and \u003cstrong data-end=\"1748\" data-start=\"1738\"\u003e90% RH\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-end=\"1835\" data-start=\"1751\" style=\"text-align: left;\"\u003e\u003cstrong data-end=\"1765\" data-start=\"1751\"\u003eInterfaces\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1835\" data-start=\"1751\"\u003eLa carte est équipée de plusieurs connecteurs polyvalents, notamment :\u003c\/p\u003e\n\u003cul data-end=\"1939\" data-start=\"1836\"\u003e\n\u003cli data-end=\"1865\" data-start=\"1836\"\u003e\u003cstrong data-end=\"1865\" data-start=\"1838\"\u003eConnecteur LiPo 1,25V*2P\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"1902\" data-start=\"1866\"\u003e\u003cstrong data-end=\"1902\" data-start=\"1868\"\u003eConnecteur de panneau solaire 1,25V*2P\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"1939\" data-start=\"1903\"\u003e\u003cstrong data-end=\"1939\" data-start=\"1905\"\u003e1.25V*8P GNSS module connector\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2082\" data-start=\"1941\"\u003eCes connecteurs améliorent \u003cstrong data-end=\"1995\" data-start=\"1978\"\u003el’extensibilité\u003c\/strong\u003e de la carte pour de nombreuses applications, permettant l’intégration avec divers appareils et systèmes.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"font-size: 0.875rem;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/ModuleBoardwithLoRa_Bluetooth5.0_IntegratedGPS_SolarPowerforIoTApplications_13.jpg?v=1740988583\" alt=\"Module Board with LoRa, Bluetooth 5.0, Integrated GPS, and Solar Power for IoT Applications - Side View\"\u003e \u003cimg style=\"font-size: 0.875rem;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/ModuleBoardwithLoRa_Bluetooth5.0_IntegratedGPS_SolarPowerforIoTApplications_14.jpg?v=1740988583\" alt=\"Module Board with LoRa, Bluetooth 5.0, Integrated GPS, and Solar Power for IoT Applications - Top View\"\u003e \u003cimg style=\"font-size: 0.875rem;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/ModuleBoardwithLoRa_Bluetooth5.0_IntegratedGPS_SolarPowerforIoTApplications_1.jpg?v=1740988583\" alt=\"Module Board with LoRa, Bluetooth 5.0, Integrated GPS, and Solar Power for IoT Applications - Close-up on Components\"\u003e \u003cimg style=\"font-size: 0.875rem;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/ModuleBoardwithLoRa_Bluetooth5.0_IntegratedGPS_SolarPowerforIoTApplications_2.jpg?v=1740988583\" alt=\"Module Board with LoRa, Bluetooth 5.0, Integrated GPS, and Solar Power for IoT Applications - PCB Board\"\u003e \u003cimg style=\"font-size: 0.875rem;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/VisionMasterT190BitcoNerdMiner-HighPerformance_LowPower_NoWiFiCable_8.jpg?v=1740988133\" alt=\"VisionMaster T190 Bitco NerdMiner - High Performance, Low Power, No WiFi Cable - Front View\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Heltec","offers":[{"title":"Cas","offer_id":46196617347310,"sku":"L000376","price":13.99,"currency_code":"USD","in_stock":true},{"title":"Conseil","offer_id":46196617249006,"sku":"L000374","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Carte + Batterie 950mAh","offer_id":46196617314542,"sku":"L000378","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Carte + boîtier","offer_id":46196617281774,"sku":"L000377","price":42.99,"currency_code":"USD","in_stock":true},{"title":"Carte + module GPS","offer_id":46196617380078,"sku":"L000375","price":53.99,"currency_code":"USD","in_stock":true},{"title":"Carte + batterie 950mAh + boîtier","offer_id":46292407550190,"sku":"L000894","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/meshnologyheltecmeshnodet114devkits_2.webp?v=1779184863"},{"product_id":"heltec-wifi-lora-32-v4-esp32-s3-sx1262-lora-node-meshtastic-lorawan-compatible","title":"Heltec WiFi LoRa 32 V4 – Nœud ESP32-S3 + SX1262 LoRa, compatible Meshtastic \u0026 LoRaWAN","description":"\u003cdiv style=\"max-width: 880px; margin: 0 auto; font-family: Arial, sans-serif; line-height: 1.6; color: #333;\"\u003e\n\u003ch3\u003eHELTEC WiFi LoRa 32 V4 – Carte de développement ESP32-S3R2 \u0026 SX1262\u003c\/h3\u003e\n\u003cp\u003eLa HELTEC WiFi LoRa 32 V4 est une carte de développement IoT améliorée, basée sur le processeur double cœur ESP32-S3R2 et la puce SX1262 LoRa. Conçue pour des applications sans fil hautes performances, elle prend en charge le Wi-Fi, le Bluetooth 5 (LE \u0026 Mesh) et la communication LoRa longue portée. Dotée d’une gestion de l’alimentation optimisée, d’une entrée pour panneau solaire et d’une interface GNSS, cette carte est idéale pour l’IoT avancé, les réseaux de capteurs et les projets extérieurs.\u003c\/p\u003e\n\u003ch3\u003eCaractéristiques principales\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBased on \u003cstrong\u003eESP32-S3R2\u003c\/strong\u003e dual-core processor \u0026 \u003cstrong\u003eSX1262 LoRa chip\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible avec le \u003cstrong\u003eWi-Fi b\/g\/n\u003c\/strong\u003e, le \u003cstrong\u003eBluetooth 5.0 (LE \u0026 Mesh)\u003c\/strong\u003e et le \u003cstrong\u003eLoRa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 Mo PSRAM\u003c\/strong\u003e et \u003cstrong\u003e16 Mo Flash\u003c\/strong\u003e intégrés\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePuissance d’émission LoRa :\u003c\/strong\u003e version haute puissance jusqu’à 28 dBm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized battery management\u003c\/strong\u003e with solar input support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface GNSS SH1.25-8Pin\u003c\/strong\u003e pour modules GPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntenne FPC + connecteur IPEX\u003c\/strong\u003e pour des performances flexibles en 2,4G\u003c\/li\u003e\n\u003cli\u003eFaible consommation d’énergie : \u003cstrong\u003e\u003c20μA\u003c\/strong\u003e en veille profonde\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCaractéristiques techniques\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; text-align: left;\" cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParamètre\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eESP32-S3R2, Xtensa® 32-bit LX7 dual-core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePuce LoRa\u003c\/td\u003e\n\u003ctd\u003eSX1262\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFréquence\u003c\/td\u003e\n\u003ctd\u003e863-928MHz (Haute puissance) \/ 433-928MHz (Basse puissance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax TX Power\u003c\/td\u003e\n\u003ctd\u003e28 ±1 dBm (Haute puissance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensibilité de réception\u003c\/td\u003e\n\u003ctd\u003e-137 dBm @SF12 BW=125KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n, jusqu’à 150 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0 (LE \u0026 Mesh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMémoire\u003c\/td\u003e\n\u003ctd\u003e2 Mo PSRAM, 16 Mo Flash, 512 Ko SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C, SH1.25 battery \u0026 solar, GNSS interface, IPEX antenna ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBatterie\u003c\/td\u003e\n\u003ctd\u003e3.3V–4.4V lithium battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTempérature de fonctionnement\u003c\/td\u003e\n\u003ctd\u003e-20 ~ 70 ℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e51.7 × 25.4 × 10.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eListe de colisage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x HELTEC WiFi LoRa 32 V4 Board\u003c\/li\u003e\n\u003cli\u003e1x Antenne LoRa\u003c\/li\u003e\n\u003cli\u003e2x connecteurs SH1.25×2 (batterie \u0026 solaire)\u003c\/li\u003e\n\u003cli\u003e2x 2.54×18 Header Pin\u003c\/li\u003e\n\u003cli\u003e2x 2.54×2 Header Pin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/Heltec-WiFi-LoRa-32-V4-_-ESP32-S3-_-SX1262-LoRa-Node_-Meshtastic.jpg?v=1758858401\"\u003e\u003cimg alt src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/Heltec-WiFi-LoRa-32-V4-_-ESP32-S3-_-SX1262-LoRa-Node_-Meshtastic-_2.png?v=1758858401\"\u003e\u003cimg alt src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/Heltec-WiFi-LoRa-32-V4-_-ESP32-S3-_-SX1262-LoRa-Node_-Meshtastic-_-_1.jpg?v=1758858401\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.qa-section {\n  max-width: 880px;\n  margin: 30px auto;\n  font-family: Arial, sans-serif;\n}\n\n.qa-section h2 {\n  text-align: center;\n  font-size: 22px;\n  color: #1a3d7c;\n  margin-bottom: 20px;\n}\n\n.qa-item {\n  background: #f9fbff;\n  border: 1px solid #1a3d7c;\n  border-radius: 10px;\n  margin-bottom: 14px;\n  overflow: hidden;\n  transition: all 0.3s ease;\n}\n\n.qa-item:hover {\n  box-shadow: 0 6px 14px rgba(26, 61, 124, 0.2);\n  transform: translateY(-2px);\n}\n\n.qa-item summary {\n  cursor: pointer;\n  font-weight: bold;\n  padding: 14px 18px;\n  font-size: 16px;\n  color: #1a3d7c;\n  outline: none;\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n}\n\n.qa-item summary::-webkit-details-marker {\n  display: none;\n}\n\n.qa-item summary::after {\n  content: \"➤\";\n  font-size: 14px;\n  color: #1a3d7c;\n  transition: transform 0.3s ease;\n}\n\n.qa-item[open] summary::after {\n  transform: rotate(90deg);\n}\n\n.qa-item p {\n  padding: 0 18px 14px;\n  margin: 0;\n  line-height: 1.6;\n  font-size: 15px;\n  color: #333;\n}\n\n.qa-item img {\n  max-width: 100%;\n  margin: 10px 0;\n  border-radius: 6px;\n  border: 1px solid #ddd;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"qa-section\"\u003e\n\u003ch2\u003eQuestions fréquentes\u003c\/h2\u003e\n\u003cdetails class=\"qa-item\"\u003e\n\u003csummary\u003eQ: 2.4GHz Antenna\u003c\/summary\u003e\n\u003cp\u003eThe default 2.4G FPC antenna is located on the side of the plastic screen bracket.\u003cbr\u003e\u003cimg alt=\"2.4G Antenna\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/Heltec-WiFi-LoRa-32-V4-_-ESP32-S3-_-SX1262-LoRa-Node_-Meshtastic-_13.png?v=1758858401\"\u003e\u003c\/p\u003e\n\u003cp\u003eIf you wish to use an IPEX-connected 2.4G antenna, you need to remove the inductor marked as ① in the diagram below, and add a 0-ohm resistor (or other conductive metal or cable) at the position marked ② to connect to the IPEX interface.\u003cbr\u003e\u003cimg alt=\"IPEX Antenna Mod\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/Heltec-WiFi-LoRa-32-V4-_-ESP32-S3-_-SX1262-LoRa-Node_-Meshtastic-_14.png?v=1758858401\"\u003e\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"qa-item\"\u003e\n\u003csummary\u003eQ : Quelles méthodes de développement sont prises en charge ?\u003c\/summary\u003e\n\u003cp\u003e- Arduino\u003cbr\u003e- Micro Python\u003cbr\u003e- Platform.io\u003cbr\u003e- Espressif IDE\u003cbr\u003e\u003cbr\u003eNous recommandons vivement d’utiliser Arduino. Nous assurons un support technique complet et fournissons le code LoRaWAN intégral pour le framework ESP32 Arduino.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"qa-item\"\u003e\n\u003csummary\u003eQ : Quel est le type de connecteur de la batterie ?\u003c\/summary\u003e\n\u003cp\u003eVous pouvez trouver ce type de prise en cherchant \u003cstrong\u003e“SH1.25 x 2”\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"qa-item\"\u003e\n\u003csummary\u003eQ: Are V3 and V4 compatible?\u003c\/summary\u003e\n\u003cp\u003eIls sont compatibles dans la plupart des cas.\u003cbr\u003e\u003cbr\u003ePuisque la V4 utilise la même série de puces que la V3, possède le même écran OLED et un agencement de broches presque identique, la V3 et la V4 peuvent être utilisées de manière interchangeable dans la majorité des situations.\u003cbr\u003e\u003cbr\u003eCependant, en raison de la puissance d’émission accrue, les réglages de puissance d’émission dans certains codes peuvent ne plus correspondre directement à la sortie réelle.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"qa-item\"\u003e\n\u003csummary\u003eQ : Échec du téléversement du code\u003c\/summary\u003e\n\u003cp\u003eVeuillez essayer les étapes suivantes :\u003cbr\u003e\u003cbr\u003e• Essayez d’utiliser un autre câble USB.\u003cbr\u003e\u003cbr\u003e• Passez en mode BootLoader. Deux méthodes :\u003cbr\u003e1. Maintenez le bouton PRG enfoncé, connectez le câble USB-C, puis relâchez le bouton PRG.\u003cbr\u003e2. Connectez le câble USB-C, maintenez le bouton PRG enfoncé, appuyez une fois sur le bouton RST, puis relâchez le bouton PRG.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.docs-section {\n  max-width: 880px;\n  margin: 30px auto;\n  font-family: Arial, sans-serif;\n}\n\n.docs-section h2 {\n  text-align: center;\n  font-size: 22px;\n  color: #1a3d7c;\n  margin-bottom: 20px;\n}\n\n.docs-list {\n  display: grid;\n  grid-template-columns: 1fr 1fr;\n  gap: 16px;\n}\n\n.docs-list a {\n  display: block;\n  text-decoration: none;\n  padding: 14px 18px;\n  background: #f9fbff;\n  color: #1a3d7c;\n  border: 1px solid #1a3d7c;\n  border-radius: 8px;\n  font-size: 15px;\n  font-weight: 600;\n  transition: all 0.3s ease;\n  text-align: center;\n}\n\n.docs-list a:hover {\n  background: #1a3d7c;\n  color: #fff;\n  transform: translateY(-3px);\n  box-shadow: 0 6px 14px rgba(26, 61, 124, 0.2);\n}\n\n\/* 移动端自适配 *\/\n@media (max-width: 640px) {\n  .docs-list {\n    grid-template-columns: 1fr;\n  }\n}\n\u003c\/style\u003e\n\u003cdiv class=\"docs-section\"\u003e\n\u003ch2\u003eDocs \u0026 ressources\u003c\/h2\u003e\n\u003cdiv class=\"docs-list\"\u003e\n\u003ca href=\"https:\/\/docs.heltec.org\/en\/node\/esp32\/wifi_lora_32\/index.html\" target=\"_blank\"\u003e[Docs] — Manuel d’utilisateur\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/WiFi_LoRa_32_V4.2.pdf?v=1758865454\" target=\"_blank\"\u003e[Attachment] — Schematic V4.2\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/Expansion_board_V0.7.pdf?v=1758865454\" target=\"_blank\"\u003e[Attachment] — Expansion Board V0.7\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/WiFi_LoRa_32_V4.1_alpha.pdf?v=1758865454\" target=\"_blank\"\u003e[Pièce jointe] — Schéma V4.1 Alpha\u003c\/a\u003e \u003ca href=\"https:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/3D\" target=\"_blank\"\u003e[Attachment] — 3D Model Diagram\u003c\/a\u003e \u003ca href=\"https:\/\/resource.heltec.cn\/download\/WiFi_LoRa_32_V4\/\" target=\"_blank\"\u003e[Ressource] — Ressources téléchargeables\u003c\/a\u003e \u003ca href=\"https:\/\/github.com\/Heltec-Aaron-Lee\/WiFi_Kit_series\" target=\"_blank\"\u003e[Ressource] — Framework ESP32\u003c\/a\u003e \u003ca href=\"https:\/\/github.com\/HelTecAutomation\/Heltec_ESP32\" target=\"_blank\"\u003e[Ressource] — Bibliothèques d’extension ESP32\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Heltec","offers":[{"title":"With Screen + Antenna","offer_id":47011280191726,"sku":"L002675","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Avec écran + antenne + GPS","offer_id":47011280224494,"sku":"L002676","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/Heltec-WiFi-LoRa-32-V4-_-ESP32-S3-_-SX1262-LoRa-Node_-Meshtastic.png?v=1776157216"},{"product_id":"heltec-wifi-lora-32-v4-expansion-kit-863-928mhz-28dbm-with-gnss-battery-included","title":"Meshnology Heltec WiFi LoRa 32 V4 Expansion Kits, Modular Meshtastic and IoT Dev Kit","description":"\u003ch2\u003eHeltec WiFi LoRa 32 V4 Expansion Kit\u003c\/h2\u003e\n\u003c!-- ================= OVERVIEW ================= --\u003e\n\u003cp\u003eThe \u003cstrong\u003eHeltec WiFi LoRa 32 V4 Expansion Kit\u003c\/strong\u003e is a modular \u003ca title=\"meshtastic compatible device for IoT applications\" href=\"https:\/\/meshnology.com\/collections\/meshtastic-devices\" target=\"_self\"\u003eMeshtastic and IoT development\u003c\/a\u003e platform designed for rapid prototyping, field deployment, and long-range wireless communication. It combines a rugged enclosure, expansion board system, and optional GNSS and battery modules, making it ideal for outdoor and industrial IoT applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Heltec","offers":[{"title":"Tempered Glass \/ No Need","offer_id":47185315135726,"sku":"L003033","price":73.99,"currency_code":"USD","in_stock":true},{"title":"Tempered Glass \/ Buzzer","offer_id":47435558519022,"sku":"L003033 + L003089","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Tempered Glass \/ Temp\u0026Humi Sensor(GXHTV3)","offer_id":47435558551790,"sku":"L003033 + L003088","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Tempered Glass \/ BME280 Atmospheric Pressure Sensor","offer_id":47435558584558,"sku":"L003033 + L003090","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Touch Screen \/ No Need","offer_id":47185315168494,"sku":"L003034","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Touch Screen \/ Buzzer","offer_id":47435558617326,"sku":"L003034 + L003089","price":85.99,"currency_code":"USD","in_stock":true},{"title":"Touch Screen \/ Temp\u0026Humi Sensor(GXHTV3)","offer_id":47435558650094,"sku":"L003034 + L003088","price":85.99,"currency_code":"USD","in_stock":true},{"title":"Touch Screen \/ BME280 Atmospheric Pressure Sensor","offer_id":47435558682862,"sku":"L003034 + L003090","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/meshnology_heltec_wifi_lora_32_v4_expansion_kits_4.webp?v=1779526861"}],"url":"https:\/\/meshnology.com\/fr\/collections\/heltec-expansion-kit.oembed","provider":"Meshnology","version":"1.0","type":"link"}