# 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.

**3 device listed.**

## M5Stack Single Live Wire WiFi Smart Switch

ESP32-C6 based WiFi smart switch for single live wire AC power control. Supports WiFi 6 and Zigbee 3.0, fits standard wall boxes for home automation.

[Details](https://openhardware.directory/devices/m5stack-wifi-smart-switch) | [Markdown](https://openhardware.directory/devices/m5stack-wifi-smart-switch/md)

## M5Stack Air Quality Kit v1.1

ESP32-S3 based air quality monitor with SEN55 particulate/VOC sensor, SCD40 CO2 sensor, 1.54" e-ink display, 600mAh battery, and Grove connector.

[Details](https://openhardware.directory/devices/m5stack-air-quality-kit) | [Markdown](https://openhardware.directory/devices/m5stack-air-quality-kit/md)

## M5Stack ENV III Unit

I2C environmental sensor unit with SHT30 temperature/humidity and QMP6988 barometric pressure sensors. Grove connector, compatible with M5Stack ecosystem.

[Details](https://openhardware.directory/devices/m5stack-env-iii-unit) | [Markdown](https://openhardware.directory/devices/m5stack-env-iii-unit/md)