# 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.

**5 device listed.**

## LILYGO T-Mini E-Paper S3

LILYGO T-Mini E-Paper S3 is a compact ESP32-S3 board with a 1.02-inch 128×80 e-paper display, 4MB flash, 2MB PSRAM, WiFi, BLE 5, TF card slot, and support for 18350 battery. Available in 868MHz and 915MHz variants.

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

## LILYGO T3 S3 E-Paper

LILYGO T3 S3 E-Paper is an ESP32-S3 LoRa development board with a 2.13-inch 250×122 e-paper display (DEPG0213BN), 4MB flash, 2MB PSRAM, WiFi, BLE 5, SX1262 LoRa transceiver, and LiPo battery support.

[Details](https://openhardware.directory/devices/lilygo-t3-s3-epaper) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-epaper/md)

## LILYGO T5 E-Paper S3 Pro

LILYGO T5 E-Paper S3 Pro is an ESP32-S3 board with a 4.7-inch 16-greyscale e-paper display, SX1262 LoRa, touch input, RTC, BQ25896/BQ27220 battery management, 16MB flash, 8MB PSRAM, and optional GPS.

[Details](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro/md)

## M5Stack Dial

ESP32-S3 smart rotary knob with 1.28" round GC9A01 touch display (240x240), rotary encoder, RFID reader (WS1850S), RTC (BM8563), buzzer, and 2 Grove ports for IoT control interfaces.

[Details](https://openhardware.directory/devices/m5stack-dial) | [Markdown](https://openhardware.directory/devices/m5stack-dial/md)

## DFRobot UNIHIKER K10

All-in-one AI coding board for STEM education with ESP32-S3, 2.8-inch touchscreen, 2MP camera, microphone, speaker, environmental sensors, WiFi, Bluetooth 5, and pre-loaded AI models for vision, voice, and TinyML.

[Details](https://openhardware.directory/devices/dfrobot-unihiker-k10) | [Markdown](https://openhardware.directory/devices/dfrobot-unihiker-k10/md)