HELTEC WiFi LoRa ESP32 SX1262 LoRa Node Meshtastic LoRaWAN 868Mhz V3

WiFi LoRa 32 V3 Next-Gen IoT Dev Board by Heltec

The WiFi LoRa 32 V3 is the latest evolution of Heltec Automations iconic IoT development board first launched in 2017 and widely loved by makers and developers .

This upgraded version retains the same pinout as V2 while integrating:

• Wi-Fi

• Bluetooth 5 (LE)

• LoRa (SX1262)

• 0.96″ OLED display

Perfect for building:

• Meshtastic mesh networks

• Smart city infrastructure

• Industrial automation

• Home security systems

• Custom IoT applications

Powered by ESP32-S3 + SX1262

Under the hood:

• ESP32-S3FN8 dual-core processor

• SX1262 LoRa transceiver

• Supports Arduino, MicroPython, and more

Designed for Real-World Deployment

• USB Type-C interface

• Onboard lithium battery management

• Low-power design for mobile or fixed use

• Robust RF circuit for stable communication

• Flexible expansion options for advanced builds

Whether you’re prototyping a Meshtastic node, deploying a LoRaWAN gateway, or crafting a custom wireless solution, the WiFi LoRa 32 V3 is your go-to board for reliable, scalable IoT innovation .

Wireless Mesh & GPS DIY Kit Based on Heltec LoRa32 V3 868MHZ

Build your own reliable, longrange communication device with our Wireless Mesh & GPS DIY Kit, powered by the robust Heltec LoRa32 V3 platform all for under 30 . This opensource , portable parts bundle includes everything you need to create a compact solution combining offline mesh networking , GPS tracking , OLED display with controls , and ESP32S3 WiFi/BLE connectivity . All components are tested for compatibility , so you can skip the guesswork and start building in minutes. Perfect for outdoor adventure , emergency rescue , IoT prototyping , wireless security research , and STEM education your next project starts here .

Features

Microprocessor: ESP32-S3FN8 (Xtensa 32-bit LX7 dual-core, 5-stage pipeline, up to 240MHz)

LoRa Chip: SX1262 transceiver for long-range communication

USB Type-C interface with onboard voltage regulation, ESD protection, short-circuit protection, and RF shielding

Battery Interface: SH1.25-2 connector with integrated lithium battery management (charge/discharge, overcharge protection, voltage detection, auto USB/battery switching)

Display: 0.96″ 12864 OLED screen for debug info, battery status, and more

Triple wireless: Built-in Wi-Fi, LoRa, and Bluetooth with a 2.4GHz metal spring antenna + IPEX (U.FL) connector for external LoRa antenna

USB-to-Serial: Onboard CP2102 chip for easy firmware flashing and serial debugging

Arduino IDE support: Perfect for embedded development and quick prototyping

Optimized RF and power design: Great for low-power IoT applications

Specifications

Pin Map

High light

USB Type C

The power supply, firmware download, and debugging interfaces adopt a more universal USB Type C interface, making development work more convenient.

Plastic Shell

We also made a plastic shell as an optional accessory. Which provide basic protection for the development board.

Onboard OLED Display

The integrated OLED display can be used to show some information such as system status and parameters, making it convenient for users to directly use the entire development board for their own product design.

Wireless Mesh & GPS DIY Kit Wiring:

FAQ

Can the onboard 2.4GHz antenna be replaced?

The 2.4GHz antenna is a spring antenna, and there is no additional interface on the board for 2.4GHz wireless signals.

Can ESP32s WiFi and Bluetooth be used at the same time?

No, the WiFi LoRa 32 dont have an external PSRAM, if your application need use Bluetooth and Wi-Fi at the same time, you can look into this product:Heltec Wireless Bridge.

What development methods does it support?

• Arduino
• Micro Python
• Platform.io
• Espressif IDE

We strongly recommend using Arduino. We have complete technical support and provide complete