# 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.**

## Open AIR Mini

Open-source ESP32-based ventilation controller for Ducobox Silent/Focus and Orcon MVS-15xx systems with optional CO2, humidity, VOC, and NOx sensors, fully compatible with ESPHome and Home Assistant.

[Details](https://openhardware.directory/devices/open-air-mini) | [Markdown](https://openhardware.directory/devices/open-air-mini/md)

## Louder ESP32

ESP32 audio development board with TAS5805M I2S Class-D amplifier delivering 2x23W stereo output, designed for multi-room audio, network streaming, and smart home integration.

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