# 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.

**15 device listed.**

## LILYGO T-QT C6

Tiny ESP32-C6 dev board with WiFi 6, BLE 5, Zigbee/Thread (802.15.4), 0.85" 128×128 touchscreen, LiPo battery charging, and breathing LED in a thumbnail-sized form factor.

[Details](https://openhardware.directory/devices/lilygo-t-qt-c6) | [Markdown](https://openhardware.directory/devices/lilygo-t-qt-c6/md)

## LILYGO T-Circle S3

Compact ESP32-S3 board with a 0.75" round 160×160 TFT LCD (GC9D01N), 16MB flash, 8MB PSRAM, WiFi, and BLE 5 for wearable watchface and circular display applications.

[Details](https://openhardware.directory/devices/lilygo-t-circle-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-circle-s3/md)

## LILYGO T-Keyboard S3 Pro

Advanced ESP32-S3 programmable keyboard board with 4 built-in 0.85" TFT displays, 14 RGB LEDs, rotary encoder, STM32 co-processor, magnetic connectors for daisy-chaining up to 6 units.

[Details](https://openhardware.directory/devices/lilygo-t-keyboard-s3-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-keyboard-s3-pro/md)

## LILYGO T-Display S3 Long

ESP32-S3 development board with an elongated 3.4" capacitive touch TFT LCD (180×640 resolution), 16MB Flash, 8MB PSRAM, Wi-Fi, Bluetooth 5, and optional enclosure variant.

[Details](https://openhardware.directory/devices/lilygo-t-display-s3-long) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3-long/md)

## LILYGO T-Keyboard

Compact ESP32-C3 keyboard terminal with a built-in 0.99" display, Wi-Fi, Bluetooth 4.2, 400mAh battery, and a 3D-printed shell for portable wireless input applications.

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

## M5StickC Plus 2

Compact ESP32-PICO-V3-02 wearable dev board with 1.14" TFT LCD (135x240), 6-axis IMU (MPU6886), IR transmitter, microphone, buzzer, 200mAh battery, Wi-Fi and Bluetooth in a 48x24x13.5mm form factor.

[Details](https://openhardware.directory/devices/m5stickc-plus-2) | [Markdown](https://openhardware.directory/devices/m5stickc-plus-2/md)

## 1.77" SPI TFT Display (128x160)

Color 1.77-inch TFT LCD display module with 128x160 pixel resolution and ST7735 driver. SPI interface for fast refresh rates, capable of displaying full-color graphics, images, and UI elements.

[Details](https://openhardware.directory/devices/tft-177-inch-spi-display) | [Markdown](https://openhardware.directory/devices/tft-177-inch-spi-display/md)

## TrackSenger

Compact Meshtastic-compatible LoRa communicator with push-button keyboard, built around the Heltec Wireless Tracker with ESP32-S3, SX1262 LoRa, GPS, and a 0.96" TFT display for off-grid mesh messaging.

[Details](https://openhardware.directory/devices/tracksenger) | [Markdown](https://openhardware.directory/devices/tracksenger/md)

## Sonoff NSPanel

ESP32-based smart wall switch with 3.5-inch capacitive touchscreen, dual relay outputs, temperature sensor, and buzzer. Flashable with Tasmota for custom LVGL/Berry interfaces and Home Assistant integration.

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

## Adafruit HalloWing M0 Express

Skull-shaped wearable microcontroller with ATSAMD21G18 at 48MHz, 1.44" 128x128 TFT display, 3-axis accelerometer, light sensor, 4 capacitive touch pads, 2W speaker driver, 8MB SPI flash, and LiPo charging.

[Details](https://openhardware.directory/devices/adafruit-hallowing-m0-express) | [Markdown](https://openhardware.directory/devices/adafruit-hallowing-m0-express/md)

## Adafruit PyBadge LC

Low-cost credit card-sized gaming/badge board with ATSAMD51J19 at 120MHz, 1.8\" 160x128 TFT, 8 game buttons, 1 NeoPixel, light sensor, buzzer, 2MB SPI flash, and MicroSD. Supports MakeCode Arcade, CircuitPython, and Arduino.

[Details](https://openhardware.directory/devices/adafruit-pybadge-lc) | [Markdown](https://openhardware.directory/devices/adafruit-pybadge-lc/md)

## Adafruit PyBadge

Credit card-sized gaming and badge board with ATSAMD51J19 at 120MHz, 1.8\" 160x128 TFT, 8 game buttons, 5 NeoPixels, LIS3DH accelerometer, light sensor, 2W speaker, 2MB SPI flash, Feather headers, STEMMA connectors, and LiPo charging.

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

## Heltec Wireless Tracker

ESP32-S3 development board with integrated SX1262 LoRa transceiver, UC6580 dual-frequency GNSS receiver, and 0.96-inch TFT display for IoT asset tracking, Meshtastic mesh networking, and LoRaWAN applications.

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

## Heltec Mesh Node T114

Compact nRF52840 + SX1262 LoRa development board with BLE 5.0, optional 1.14" TFT display and L76K GPS module. Designed for Meshtastic mesh networking, LoRaWAN, and battery-powered IoT deployments with ultra-low 11uA deep sleep current and solar panel support.

[Details](https://openhardware.directory/devices/heltec-mesh-node-t114) | [Markdown](https://openhardware.directory/devices/heltec-mesh-node-t114/md)

## Heltec HT-M01S Indoor LoRa Gateway (Rev.2.0)

Compact 8-channel LoRaWAN gateway based on ESP32 and SX1303 + SX1250, with WiFi and Ethernet backhaul, 1.8-inch TFT display, and aluminum housing. Supports LoRaWAN Class A/C, TTN, and ChirpStack.

[Details](https://openhardware.directory/devices/heltec-ht-m01s-v2) | [Markdown](https://openhardware.directory/devices/heltec-ht-m01s-v2/md)
