# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**11 device listed.**

## LILYGO T3 LoRa32 V1.6.1

ESP32-PICO-D4 development board with LoRa SX1276/SX1278 radio, 0.96\" SSD1306 OLED, microSD slot, WiFi, Bluetooth 4.2, and LiPo battery support in a compact 66×36mm form factor.

[Details](https://openhardware.directory/devices/lilygo-t3-lora32-v1-6-1) | [Markdown](https://openhardware.directory/devices/lilygo-t3-lora32-v1-6-1/md)

## LILYGO T-Beam

ESP32 development board combining LoRa radio (SX1276/SX1278), u-blox NEO-6M GPS, 0.96" OLED display, and 18650 battery support — the go-to board for Meshtastic and LoRa tracking projects.

[Details](https://openhardware.directory/devices/lilygo-t-beam) | [Markdown](https://openhardware.directory/devices/lilygo-t-beam/md)

## LILYGO LoRa3 (T3 LoRa32 V1.6.1)

LILYGO LoRa3 (T3 LoRa32 V1.6.1) is an ESP32 development board combining Wi-Fi, BLE, and LoRa radio (SX1276/SX1278) with OLED display and TF card slot for IoT and mesh networking.

[Details](https://openhardware.directory/devices/lilygo-lora3) | [Markdown](https://openhardware.directory/devices/lilygo-lora3/md)

## LILYGO LoRa V1.3

LILYGO LoRa V1.3 is an ESP32 development board with SX1276 LoRa radio at 868/915 MHz, optional 0.96-inch OLED display, Wi-Fi, BLE, and 4MB flash for IoT and LoRa applications.

[Details](https://openhardware.directory/devices/lilygo-lora-v1-3) | [Markdown](https://openhardware.directory/devices/lilygo-lora-v1-3/md)

## LILYGO Helium T-Beam

ESP32 + SX1276 LoRa T-Beam variant optimized for the Helium IoT network — with NEO-6M GPS, AXP2101 PMU, and 18650 battery support for portable LoRaWAN network mapping and sensor nodes.

[Details](https://openhardware.directory/devices/lilygo-helium-t-beam) | [Markdown](https://openhardware.directory/devices/lilygo-helium-t-beam/md)

## LILYGO T3 TCXO

ESP32 LoRa development board with a Temperature Compensated Crystal Oscillator (TCXO) for enhanced LoRa frequency stability, 0.96-inch SSD1306 OLED display, 4MB Flash, WiFi, BLE 4.2, TF card slot, and LiPo battery support at 868/915MHz.

[Details](https://openhardware.directory/devices/lilygo-t3-tcxo) | [Markdown](https://openhardware.directory/devices/lilygo-t3-tcxo/md)

## Gnat LoRa+GNSS Asset Tracker

Ultra-small (20x20mm), ultra-low-power LoRa/LoRaWAN + concurrent GNSS asset tracker by Tlera Corp, built on the Murata CMWX1ZZABZ-078 module with STM32L082 MCU, SX1276 LoRa radio, u-blox MAX-M8Q GNSS, and LIS2DW12 accelerometer.

[Details](https://openhardware.directory/devices/gnat-loragnss-asset-tracker) | [Markdown](https://openhardware.directory/devices/gnat-loragnss-asset-tracker/md)

## Armachat FLIP

Pocket-sized open-source LoRa mesh messenger with ESP32-S3, RFM95 radio, 2.8" IPS display, and 36-key QWERTY keyboard. Runs Meshtastic and CircuitPython firmware for off-grid text communication.

[Details](https://openhardware.directory/devices/armachat-flip) | [Markdown](https://openhardware.directory/devices/armachat-flip/md)

## Heltec Wireless Bridge

ESP32 + SX1276 LoRa multi-protocol bridge in an aluminum enclosure, converting between WiFi, Bluetooth, and LoRa with 8MB flash and 8MB PSRAM.

[Details](https://openhardware.directory/devices/heltec-wireless-bridge) | [Markdown](https://openhardware.directory/devices/heltec-wireless-bridge/md)

## Heltec Turtle Board

Ultra-low-power LoRa development board with STM32L432KC ARM Cortex-M4 MCU and SX1276 transceiver, capable of 10-year battery life on AAA cells using the RadioShuttle peer-to-peer protocol.

[Details](https://openhardware.directory/devices/heltec-turtle-board) | [Markdown](https://openhardware.directory/devices/heltec-turtle-board/md)

## Heltec HT-M00 Dual Channel LoRa Gateway

A compact, low-cost dual-channel LoRaWAN gateway based on ESP32 and dual SX1276 transceivers, designed for indoor LoRa coverage of 1500-2000 square meters with support for SF7-SF12 spreading factors and LoRaWAN Class A/C protocols.

[Details](https://openhardware.directory/devices/heltec-ht-m00) | [Markdown](https://openhardware.directory/devices/heltec-ht-m00/md)