# 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.

**6 device listed.**

## LILYGO T5 V2.3.1

LILYGO T5 V2.3.1 is a 2.13-inch e-paper display module with SSD1680 driver, supporting 212×104 black-and-white output via SPI. Ultra-low power design retains the image without any power supply.

[Details](https://openhardware.directory/devices/lilygo-t5-v2-3-1) | [Markdown](https://openhardware.directory/devices/lilygo-t5-v2-3-1/md)

## LILYGO T5 2.13inch E-Paper

LILYGO T5 2.13inch E-Paper is an ESP32-D0WDQ6 V3 development board with a 2.13-inch 212×104 e-ink display supporting 4-level grayscale, 4MB flash, TF card slot, and battery management with 4 user buttons.

[Details](https://openhardware.directory/devices/lilygo-t5-2-13inch-e-paper) | [Markdown](https://openhardware.directory/devices/lilygo-t5-2-13inch-e-paper/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)

## Heltec MeshPocket

Qi2 magnetic wireless charging power bank with integrated Meshtastic mesh networking node, featuring nRF52840 BLE + SX1262 LoRa radio and a 2.13" e-ink display. Available in 5000mAh and 10000mAh configurations.

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

## Heltec Wireless Paper

ESP32-S3 + SX1262 LoRa E-Ink development board with 2.13" e-paper display, WiFi, BLE 5.0, and LoRa connectivity. Designed for electronic shelf labels, Meshtastic mesh nodes, and low-power IoT sensor displays.

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