HVAC Control

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.

ESP32-WROVER-E development board with 8 optocoupler-isolated 5V relay channels (HRS4H-S-DC5V), Wi-Fi, BLE 4.2, 8MB PSRAM, and support for DC 12–24V power input for industrial automation.

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.

Open-source smart thermostat based on Raspberry Pi Zero W with 3.5\" touchscreen, BME280 sensor, and silent solid-state relays. Fully local control with no cloud dependency, MQTT support, and Home Ass

Open-source ESP32-S3 WiFi controller for Daikin air conditioners with local-only control via MQTT and Home Assistant. Replaces cloud-dependent Daikin WiFi modules with privacy-first, no-internet-requi

Open-source ESP-based communication PCB for local monitoring and control of Panasonic Aquarea heat pumps via MQTT and HTTP, with Home Assistant integration and S0 energy metering support.