# 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.

**1 device listed.**

## TinyS3[D] ESP32-S3 by Unexpected Maker

The TinyS3[D] is Unexpected Maker's ultra-compact ESP32-S3 board in the TinyPICO form factor, featuring a dual antenna system (onboard + u.FL, software-switchable), I2C battery fuel gauge, 8MB flash, 8MB PSRAM, LiPo charging, and 17 GPIO pins — all in a tiny castellated module.

[Details](https://openhardware.directory/devices/tinys3d-esp32-s3) | [Markdown](https://openhardware.directory/devices/tinys3d-esp32-s3/md)