# 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.

**13 device listed.**

## LILYGO T-Display

Compact ESP32-PICO-D4 development board with integrated 1.14-inch ST7789V IPS LCD (135×240, 260 PPI), WiFi, Bluetooth 4.2/BLE, and Arduino/MicroPython support.

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

## LILYGO T-Display S3

ESP32-S3 development board with 1.9-inch ST7789V TFT display (170×320), optional capacitive touch, 16MB flash, 8MB PSRAM, and USB-C. Popular for smart displays and IoT dashboards.

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

## LILYGO T-Watch 2020 V3

Programmable ESP32 smartwatch with 1.54-inch touch IPS display, BMA423 accelerometer, PCF8563 RTC, PDM microphone, speaker, IR transmitter, and vibration motor — fully open-source and Arduino/MicroPython programmable.

[Details](https://openhardware.directory/devices/lilygo-t-watch-2020-v3) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-2020-v3/md)

## LILYGO T-Pico C3

Dual-MCU board combining RP2040 and ESP32-C3, with a 1.14-inch ST7789V display, WiFi, BLE 5.0, and Arduino/MicroPython support — bringing Raspberry Pi Pico connectivity to wireless IoT projects.

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

## LILYGO T-HMI

ESP32-S3 HMI development board with a 2.8-inch resistive touchscreen, GROVE connectors, 16MB flash, 8MB PSRAM, and USB-C — designed for industrial HMI panels and interactive control interfaces.

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

## LILYGO T-Embed CC1101

ESP32-S3 multi-protocol RF tool with CC1101 sub-GHz transceiver (300–928 MHz), 13.56 MHz RFID, IR transmit/receive, 1.9" IPS display, and rotary encoder for RF analysis and replay attacks.

[Details](https://openhardware.directory/devices/lilygo-t-embed-cc1101) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-cc1101/md)

## LILYGO T-Embed SI4732

ESP32-S3 board with SI4732-A10 AM/FM/SW/LW radio receiver, 1.9" IPS display, 900mAh battery, and rotary encoder for a portable software-defined radio experience.

[Details](https://openhardware.directory/devices/lilygo-t-embed-si4732) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-si4732/md)

## LILYGO T-Display Keyboard

Compact ESP32 development board combining a physical keyboard with a 1.14" IPS display, USB-C charging, multiple interfaces, and optional 2800mAh battery in shell configuration.

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

## LILYGO T-Dongle ESP32-S2

USB-A dongle form factor board with ESP32-S2, 1.14-inch ST7789V IPS LCD, Wi-Fi, OTG, TF card slot, and Grove connector. Predecessor to the T-Dongle S3 series, ideal for portable USB IoT devices.

[Details](https://openhardware.directory/devices/lilygo-t-dongle-esp32-s2) | [Markdown](https://openhardware.directory/devices/lilygo-t-dongle-esp32-s2/md)

## LILYGO T-Embed CC1101 Plus

Enhanced ESP32-S3 handheld with CC1101 sub-GHz radio, nRF24L01 2.4GHz radio, 1.9" IPS LCD, IR transceiver, 16MB flash, 8MB SRAM. Upgraded version of T-Embed CC1101 with added 2.4GHz wireless module.

[Details](https://openhardware.directory/devices/lilygo-t-embed-cc1101-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-cc1101-plus/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)

## Pine64 PineTime

Open-source smartwatch built on the Nordic nRF52832 SoC with 1.3-inch IPS touchscreen, heart rate sensor, accelerometer, and week-long battery life. Runs InfiniTime, Wasp-OS, or Zephyr firmware. Priced from $27.

[Details](https://openhardware.directory/devices/pine64-pinetime) | [Markdown](https://openhardware.directory/devices/pine64-pinetime/md)

## Waveshare RP2040-GEEK

A compact USB-A development board and debugging tool built around the RP2040 dual-core Cortex-M0+ MCU, featuring a 1.14-inch IPS LCD, microSD card slot, and exposed SWD, UART, and I2C connectors for programming ARM microcontrollers.

[Details](https://openhardware.directory/devices/waveshare-rp2040-geek) | [Markdown](https://openhardware.directory/devices/waveshare-rp2040-geek/md)