# 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.

**2 device listed.**

## 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)

## Heltec Vision Master E213

ESP32-S3 development board with 2.13-inch E-Paper display and optional SX1262 LoRa radio, supporting Meshtastic, LoRaWAN, Arduino, and MicroPython. Features WiFi, BLE 5.0, ultra-low 20uA deep sleep, lithium battery management, and dual SH2.0 sensor ports.

[Details](https://openhardware.directory/devices/heltec-vision-master-e213) | [Markdown](https://openhardware.directory/devices/heltec-vision-master-e213/md)