Heltec WiFi LoRa 32(V3), ESP32S3 + SX1262 LoRa Node, Meshtastic and LoRaWAN Compatible

Heltec WiFi LoRa 32(V3) - ESP32S3 + SX1262 LoRa Node

This compact Heltec microcontroller board is equipped with an OLED screen and supports Wi-Fi, Bluetooth, and LoRa (868MHz). The device is ideal for IoT applications that require wireless communication via multiple protocols. Thanks to the USB-C connection, you can easily program and power the board (USB cable not included). It is also possible to connect and charge a Li-ion or Li-Po battery.

Main features

• Microprocessor: ESP32-S3 dual-core, 240 MHz
• LoRa node chip: SX1262, frequency 868 MHz
• 0.96 inch OLED display (128 x 64 pixels, blue)
• Supports Wi-Fi (2.4 GHz), Bluetooth 5.0 (LE), and LoRa
• USB-C connection for power and programming
• Built-in battery management for Li-ion/Li-Po batteries
• Compatible with Meshtastic and LoRaWAN

Technical specifications

• Dimensions: 52 x 26 x 10 mm
• Weight: 9 grams
• Power supply voltage: 5 V DC via USB-C
• IO pin voltage: 3.3 V
• Number of IO pins: 28
• Flash memory: 8 MB
• SRAM: 512 KB
• USB to serial chip: CP2102
• Maximum operating temperature: 70 °C
• Minimum operating temperature: -20 °C

Communication and interfaces

• Wi-Fi 802.11 b/g/n, up to 150 Mbps
• Bluetooth 5.0 Low Energy
• LoRa transmission with up to 21 dBm transmit power
• Hardware interfaces: ADC, I2C, I2S, PWM, SPI, GPIO, UART, USB CDC
• Built-in antennas for Wi-Fi and Bluetooth
• LoRa antenna via IPEX MHF 1/uFL connector

Package contents

• 1x Heltec WiFi LoRa 32 board (V3)
• 2x Male pin header 18p
• 1x SMA LoRa 868MHz antenna
• 1x IPEX to SMA adapter cable
• 1x Battery connection cable

This board is suitable for developers working with Arduino and other development environments and offers a reliable solution for projects with wireless mesh networks or LoRaWAN applications.

For more information and downloads, check the manufacturer page and the "Downloads" tab.