# 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 T4

LILYGO T4 is an ESP32 development board with 8MB PSRAM, optional 2.2 or 2.4-inch ILI9341 TFT LCD display, Wi-Fi, Bluetooth 4.2 BLE, and Li-Po battery support.

[Details](https://openhardware.directory/devices/lilygo-t4) | [Markdown](https://openhardware.directory/devices/lilygo-t4/md)

## ESP32-DIV V2.0

Open-source multi-band wireless development toolkit with ESP32-U, 2.8" ILI9341 TFT display, 5 antennas, and SD card slot covering WiFi, BLE, 2.4GHz, and Sub-GHz frequency bands for security research and spectrum analysis.

[Details](https://openhardware.directory/devices/esp32-div-v2) | [Markdown](https://openhardware.directory/devices/esp32-div-v2/md)