{"title":"Heltec Expansion Kit","description":"","products":[{"product_id":"heltec-mesh-node-t114","title":"LoRa- und Bluetooth 5.0-Board mit GPS und integrierter Solarstromversorgung","description":"\u003ch2 style=\"text-align: center;\" data-start=\"33\" data-end=\"245\"\u003e\u003cstrong data-start=\"33\" data-end=\"63\"\u003eMarken- und Produktübersicht\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp data-start=\"33\" data-end=\"245\"\u003e \u003cstrong data-start=\"66\" data-end=\"76\"\u003eMarke:\u003c\/strong\u003e \u003cstrong data-start=\"77\" data-end=\"91\"\u003eMeshnology\u003c\/strong\u003e\u003cbr data-start=\"91\" data-end=\"94\"\u003e \u003cstrong data-start=\"94\" data-end=\"111\"\u003eProduktname:\u003c\/strong\u003e \u003cstrong data-start=\"112\" data-end=\"130\"\u003eMesh Node T114\u003c\/strong\u003e \u003cbr data-start=\"130\" data-end=\"133\"\u003e\u003cstrong data-start=\"133\" data-end=\"161\"\u003eKonnektivitätstechnologie:\u003c\/strong\u003e \u003cstrong data-start=\"162\" data-end=\"179\"\u003eBluetooth 5.0\u003c\/strong\u003e , \u003cstrong data-start=\"181\" data-end=\"188\"\u003eUSB\u003c\/strong\u003e\u003cbr data-start=\"188\" data-end=\"191\"\u003e \u003cstrong\u003eEnthaltene Komponenten:\u003c\/strong\u003e \u003cstrong\u003eModul für Mesh Node T114\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eBetriebssystem: Linux\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\" data-start=\"33\" data-end=\"245\"\u003e \u003cstrong data-start=\"280\" data-end=\"305\"\u003eErweiterte Konnektivität\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"33\" data-end=\"245\"\u003e Der \u003cstrong data-start=\"312\" data-end=\"330\"\u003eMesh Node T114\u003c\/strong\u003e verfügt über eine leistungsstarke \u003cstrong data-start=\"351\" data-end=\"367\"\u003enRF52840 MCU\u003c\/strong\u003e und \u003cstrong data-start=\"372\" data-end=\"395\"\u003eeinen SX1262 LoRa-Chipsatz\u003c\/strong\u003e und bietet hervorragende Unterstützung für \u003cstrong data-start=\"430\" data-end=\"438\"\u003eLoRa\u003c\/strong\u003e und \u003cstrong data-start=\"443\" data-end=\"460\"\u003eBluetooth 5.0\u003c\/strong\u003e . Dies macht ihn zu einer ausgezeichneten Wahl für \u003cstrong data-start=\"500\" data-end=\"520\"\u003eIoT-Anwendungen\u003c\/strong\u003e und gewährleistet robuste und zuverlässige Konnektivität.\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\" data-start=\"566\" data-end=\"818\"\u003e \u003cstrong data-start=\"566\" data-end=\"577\"\u003eAnzeige\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n \u003cp data-start=\"566\" data-end=\"818\"\u003eAusgestattet mit einem beeindruckenden \u003cstrong data-start=\"605\" data-end=\"626\"\u003e1,14-Zoll-TFT-LCD-\u003c\/strong\u003e Display mit einer \u003cstrong data-start=\"647\" data-end=\"676\"\u003eAuflösung von 135 x 240 Pixeln\u003c\/strong\u003e und der Möglichkeit, bis zu \u003cstrong data-start=\"710\" data-end=\"725\"\u003e262.000 Farben\u003c\/strong\u003e darzustellen. Dies gewährleistet eine klare und lebendige \u003cstrong data-start=\"756\" data-end=\"777\"\u003eDatendarstellung\u003c\/strong\u003e für nahtlose Interaktion und Überwachung.\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\" data-start=\"820\" data-end=\"1076\"\u003e \u003cstrong data-start=\"820\" data-end=\"845\"\u003eGeringer Stromverbrauch\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"820\" data-end=\"1076\"\u003e Der \u003cstrong data-start=\"852\" data-end=\"870\"\u003eMesh Node T114\u003c\/strong\u003e arbeitet mit einem bemerkenswert \u003cstrong data-start=\"896\" data-end=\"921\"\u003eniedrigen Stromverbrauch\u003c\/strong\u003e und verfügt über einen \u003cstrong data-start=\"935\" data-end=\"954\"\u003eTiefschlafmodus\u003c\/strong\u003e , der nur \u003cstrong data-start=\"974\" data-end=\"983\"\u003e11 µA\u003c\/strong\u003e verbraucht. Damit ist er ideal für \u003cstrong data-start=\"1005\" data-end=\"1032\"\u003ebatteriebetriebene Geräte\u003c\/strong\u003e und nachhaltige \u003cstrong data-start=\"1049\" data-end=\"1075\"\u003esolarbetriebene Projekte\u003c\/strong\u003e .\u003c\/p\u003e\n\n \u003ch3 style=\"text-align: center;\" data-start=\"1078\" data-end=\"1397\"\u003e\u003cstrong data-start=\"1078\" data-end=\"1095\"\u003eKompatibilität\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-start=\"1078\" data-end=\"1397\"\u003e Lässt sich nahtlos in \u003cstrong data-start=\"1125\" data-end=\"1136\"\u003eArduino\u003c\/strong\u003e integrieren und bietet eine benutzerfreundliche Entwicklungsumgebung und gebrauchsfertige \u003cstrong data-start=\"1204\" data-end=\"1217\"\u003eBibliotheken\u003c\/strong\u003e . Es eignet sich perfekt zum Experimentieren mit Projekten wie \u003cstrong data-start=\"1264\" data-end=\"1278\"\u003eMeshtastic\u003c\/strong\u003e und unterstützt außerdem ein umfangreiches Setup mit mehreren Anschlüssen, einschließlich \u003cstrong data-start=\"1343\" data-end=\"1350\"\u003eGPS\u003c\/strong\u003e , \u003cstrong data-start=\"1352\" data-end=\"1368\"\u003eSolarmodulen\u003c\/strong\u003e und zusätzlichen Peripheriegeräten.\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\" data-start=\"1399\" data-end=\"1749\"\u003e \u003cstrong data-start=\"1399\" data-end=\"1422\"\u003eSchutzfunktionen\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n \u003cp data-start=\"1399\" data-end=\"1749\"\u003eDer \u003cstrong data-start=\"1429\" data-end=\"1447\"\u003eMesh Node T114\u003c\/strong\u003e verfügt über eine umfassende \u003cstrong data-start=\"1471\" data-end=\"1493\"\u003eSpannungsregelung\u003c\/strong\u003e an der \u003cstrong data-start=\"1501\" data-end=\"1525\"\u003eUSB-Typ-C-Schnittstelle\u003c\/strong\u003e sowie \u003cstrong data-start=\"1538\" data-end=\"1556\"\u003eESD-Schutz\u003c\/strong\u003e , \u003cstrong data-start=\"1558\" data-end=\"1586\"\u003eKurzschlussschutz\u003c\/strong\u003e und \u003cstrong data-start=\"1592\" data-end=\"1608\"\u003eHF-Abschirmung\u003c\/strong\u003e . Diese Funktionen gewährleisten Langlebigkeit auch in anspruchsvollen Umgebungen mit einem Betriebstemperaturbereich von \u003cstrong data-start=\"1718\" data-end=\"1733\"\u003e-20 bis 70 °C\u003c\/strong\u003e und \u003cstrong data-start=\"1738\" data-end=\"1748\"\u003e90 % relativer Luftfeuchtigkeit\u003c\/strong\u003e .\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\" data-start=\"1751\" data-end=\"1835\"\u003e \u003cstrong data-start=\"1751\" data-end=\"1765\"\u003eSchnittstellen\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"1751\" data-end=\"1835\"\u003e Die Platine ist mit mehreren vielseitigen Anschlüssen ausgestattet, darunter:\u003c\/p\u003e\n\n\u003cul data-start=\"1836\" data-end=\"1939\"\u003e\n\n\u003cli data-start=\"1836\" data-end=\"1865\"\u003e \u003cstrong data-start=\"1838\" data-end=\"1865\"\u003e1,25 V * 2P LiPo-Anschluss\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-start=\"1866\" data-end=\"1902\"\u003e \u003cstrong data-start=\"1868\" data-end=\"1902\"\u003e1,25 V * 2P Solarpanel-Anschluss\u003c\/strong\u003e\n\u003c\/li\u003e\n\n \u003cli data-start=\"1903\" data-end=\"1939\"\u003e\u003cstrong data-start=\"1905\" data-end=\"1939\"\u003e1,25 V * 8P GNSS-Modulanschluss\u003c\/strong\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"1941\" data-end=\"2082\"\u003e Diese Anschlüsse verbessern die \u003cstrong data-start=\"1978\" data-end=\"1995\"\u003eErweiterbarkeit\u003c\/strong\u003e der Karte für eine Vielzahl von Anwendungen und ermöglichen die Integration mit mehreren Geräten und Systemen. \u003c\/p\u003e\n\n\u003cp\u003e\u003cimg alt=\"Modulplatine mit LoRa, Bluetooth 5.0, integriertem GPS und Solarstrom für IoT-Anwendungen – Seitenansicht\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/ModuleBoardwithLoRa_Bluetooth5.0_IntegratedGPS_SolarPowerforIoTApplications_13.jpg?v=1740988583\" style=\"font-size: 0.875rem;\"\u003e\u003cimg alt=\"Modulplatine mit LoRa, Bluetooth 5.0, integriertem GPS und Solarstrom für IoT-Anwendungen – Draufsicht\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/ModuleBoardwithLoRa_Bluetooth5.0_IntegratedGPS_SolarPowerforIoTApplications_14.jpg?v=1740988583\" style=\"font-size: 0.875rem;\"\u003e\u003cimg alt=\"Modulplatine mit LoRa, Bluetooth 5.0, integriertem GPS und Solarstrom für IoT-Anwendungen – Komponenten im Detail\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/ModuleBoardwithLoRa_Bluetooth5.0_IntegratedGPS_SolarPowerforIoTApplications_1.jpg?v=1740988583\" style=\"font-size: 0.875rem;\"\u003e\u003cimg alt=\"Modulplatine mit LoRa, Bluetooth 5.0, integriertem GPS und Solarstrom für IoT-Anwendungen – PCB-Platine\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/ModuleBoardwithLoRa_Bluetooth5.0_IntegratedGPS_SolarPowerforIoTApplications_2.jpg?v=1740988583\" style=\"font-size: 0.875rem;\"\u003e\u003cimg alt=\"VisionMaster T190 Bitco NerdMiner – Hohe Leistung, geringer Stromverbrauch, kein WLAN-Kabel – Vorderansicht\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0736\/4090\/2894\/files\/VisionMasterT190BitcoNerdMiner-HighPerformance_LowPower_NoWiFiCable_8.jpg?v=1740988133\" style=\"font-size: 0.875rem;\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e","brand":"Heltec","offers":[{"title":"Fall","offer_id":46196617347310,"sku":"L000376","price":13.99,"currency_code":"USD","in_stock":true},{"title":"Planke","offer_id":46196617249006,"sku":"L000374","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Platine + Akku 950mAh","offer_id":46196617314542,"sku":"L000378","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Platine + Gehäuse","offer_id":46196617281774,"sku":"L000377","price":42.99,"currency_code":"USD","in_stock":true},{"title":"Platine + GPS-Modul","offer_id":46196617380078,"sku":"L000375","price":53.99,"currency_code":"USD","in_stock":true},{"title":"Board + 950mAh Battery + Case","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 ESP32-S3 SX1262 Meshtastic Compatible IoT Development Board","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 – ESP32-S3R2 \u0026 SX1262 Development Board\u003c\/h3\u003e\n\u003cp\u003eThe HELTEC WiFi LoRa 32 V4 is an upgraded IoT development board based on the ESP32-S3R2 dual-core processor and SX1262 LoRa chip. Designed for high-performance wireless applications, it supports Wi-Fi, Bluetooth 5 (LE \u0026 Mesh), and long-range LoRa communication. Featuring optimized power management, solar panel input, and GNSS interface, this board is ideal for advanced IoT, sensor networks, and outdoor projects.\u003c\/p\u003e\n\u003ch3\u003eMain Features\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\u003eSupports \u003cstrong\u003eWi-Fi b\/g\/n\u003c\/strong\u003e, \u003cstrong\u003eBluetooth 5.0 (LE \u0026 Mesh)\u003c\/strong\u003e, and \u003cstrong\u003eLoRa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003e2MB PSRAM\u003c\/strong\u003e and \u003cstrong\u003e16MB Flash\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoRa Transmit Power:\u003c\/strong\u003e High-power version up to 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\u003eSH1.25-8Pin GNSS interface\u003c\/strong\u003e for GPS modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFPC antenna + IPEX connector\u003c\/strong\u003e for flexible 2.4G performance\u003c\/li\u003e\n\u003cli\u003eLow power consumption: \u003cstrong\u003e\u003c20μA\u003c\/strong\u003e in deep sleep\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eBeschreibung\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\u003eLoRa-Chip\u003c\/td\u003e\n\u003ctd\u003eSX1262\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e863-928MHz (High Power) \/ 433-928MHz (Low Power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax TX Power\u003c\/td\u003e\n\u003ctd\u003e28 ±1 dBm (High Power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiving Sensitivity\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, up to 150Mbps\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\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e2MB PSRAM, 16MB Flash, 512KB 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\u003eOperating Temp\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\u003ePacking List\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x HELTEC WiFi LoRa 32 V4 Board\u003c\/li\u003e\n\u003cli\u003e1x LoRa Antenna\u003c\/li\u003e\n\u003cli\u003e2x SH1.25×2 Connector (battery \u0026 solar)\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\u003eFrequently Asked Questions\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: What development methods does it support?\u003c\/summary\u003e\n\u003cp\u003e- Arduino\u003cbr\u003e- Micro Python\u003cbr\u003e- Platform.io\u003cbr\u003e- Espressif IDE\u003cbr\u003e\u003cbr\u003eWe strongly recommend using Arduino. We have complete technical support and provide full LoRaWAN code for the ESP32 Arduino framework.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"qa-item\"\u003e\n\u003csummary\u003eQ: What’s the battery socket type?\u003c\/summary\u003e\n\u003cp\u003eYou can find this type of socket by searching \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\u003eThey are compatible in most scenarios.\u003cbr\u003e\u003cbr\u003eSince V4 uses the same series of chips as V3, features the same OLED, and has an almost identical pin layout, V3 and V4 can be used interchangeably in the majority of cases.\u003cbr\u003e\u003cbr\u003eHowever, due to the increased transmit power, the transmit power settings in some code may no longer correspond directly to the actual output.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"qa-item\"\u003e\n\u003csummary\u003eQ: Failed to upload code\u003c\/summary\u003e\n\u003cp\u003ePlease try the following steps:\u003cbr\u003e\u003cbr\u003e• Try using a different USB cable.\u003cbr\u003e\u003cbr\u003e• Enter BootLoader mode. Two methods:\u003cbr\u003e1. Hold down the PRG button, connect the USB-C cable, then release the PRG button.\u003cbr\u003e2. Connect the USB-C cable, hold down the PRG button, press the RST button once, then release the PRG button.\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 Resources\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] — User Manual\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[Attachment] — Schematic 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[Resource] — Downloadable Resources\u003c\/a\u003e \u003ca href=\"https:\/\/github.com\/Heltec-Aaron-Lee\/WiFi_Kit_series\" target=\"_blank\"\u003e[Resource] — ESP32 Framework\u003c\/a\u003e \u003ca href=\"https:\/\/github.com\/HelTecAutomation\/Heltec_ESP32\" target=\"_blank\"\u003e[Resource] — ESP32 Extension Libraries\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":"With Screen + Antenna + 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\/de\/collections\/heltec-expansion-kit.oembed","provider":"Meshnology","version":"1.0","type":"link"}