# 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 ESP32-S2

Pure ESP32-S2 development board with 4MB Flash, 8MB SRAM, native USB, WiFi 802.11 b/g/n, onboard LiPo charging, and multiple control buttons — a single-core Xtensa LX7 board for USB-HID and IoT applications.

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

## ESP32 WiFi Fancontroller

ESP32-S2-based WiFi fan controller with 4 independent PWM outputs, integrated HDC1080 temperature and humidity sensor, Qwiic expansion, and native Home Assistant integration via ESPHome.

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

## FeatherS2 Neo ESP32-S2

ESP32-S2 Feather-format board by Unexpected Maker with 4MB flash, 2MB PSRAM, 5×5 RGB LED matrix, LiPo charging, and STEMMA QT — designed for colorful wearable and IoT projects.

[Details](https://openhardware.directory/devices/feathers2-neo) | [Markdown](https://openhardware.directory/devices/feathers2-neo/md)

## Adafruit My Little Hacker ESP32-S2

Child-oriented ESP32-S2 dev board with 4MB flash, 2MB PSRAM, 5 NeoPixels, microSD, I2S audio amplifier for speakers, USB-C, STEMMA QT, and AA battery or USB-C power support.

[Details](https://openhardware.directory/devices/adafruit-my-little-hacker-esp32-s2) | [Markdown](https://openhardware.directory/devices/adafruit-my-little-hacker-esp32-s2/md)