{"title":"Heltec Expansion Kit","description":"","products":[{"product_id":"heltec-mesh-node-t114","title":"Heltec Mesh Node T114 Dev Board with SX1262 LoRa Chipset for Arduino, Meshtastic","description":"\u003ch2\u003eHeltec Mesh Node T114 – LoRa \u0026amp; Bluetooth IoT Development Board\u003cbr\u003e\n\u003c\/h2\u003e\n\u003c!-- ===================== OVERVIEW ===================== --\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eheltec mesh node t114\u003c\/strong\u003e is a compact IoT development board built for \u003cstrong\u003e\u003ca title=\"lora compatible meshtastic devices\" href=\"https:\/\/meshnology.com\/collections\/meshtastic-devices\" target=\"_self\"\u003eLoRa mesh networking\u003c\/a\u003e\u003c\/strong\u003e and \u003cstrong\u003elow-power wireless applications\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThis \u003cstrong\u003emesh node t114\u003c\/strong\u003e combines the \u003cstrong\u003enRF52840 MCU\u003c\/strong\u003e and \u003cstrong\u003eSX1262 LoRa chipset\u003c\/strong\u003e for long-range links and Bluetooth 5.0 connectivity.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003et114\u003c\/strong\u003e is well suited to \u003cstrong\u003e\u003ca title=\"what is meshtastic\" href=\"https:\/\/meshtastic.org\/\" target=\"_self\"\u003eMeshtastic \u003c\/a\u003eprojects\u003c\/strong\u003e, IoT prototyping, and embedded wireless development with stable, low-power performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c!-- ===================== APPLICATIONS ===================== --\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c!-- ===================== NOTE ===================== --\u003e\n\u003ch2\u003eKindly Note\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eThis module is designed for embedded development and IoT applications.\u003c\/li\u003e\n\u003cli\u003eExternal components such as battery, GPS, and solar modules may be required depending on use case.\u003c\/li\u003e\n\u003cli\u003eIt is intended for development use, so setup needs may vary by project.\u003c\/li\u003e\n\u003cli\u003eInterface needs, enclosure choice, and power planning can differ between prototypes and long-term installations.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Heltec","offers":[{"title":"Case","offer_id":46196617347310,"sku":"L000376","price":13.99,"currency_code":"USD","in_stock":true},{"title":"Board","offer_id":46196617249006,"sku":"L000374","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Board + Battery 950mAh","offer_id":46196617314542,"sku":"L000378","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Board + Case","offer_id":46196617281774,"sku":"L000377","price":42.99,"currency_code":"USD","in_stock":true},{"title":"Board + GPS Module","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\u003e説明\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\u003eBattery\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\/ja\/collections\/heltec-expansion-kit.oembed","provider":"Meshnology","version":"1.0","type":"link"}