PINIO building automation module
PINIO is a versatile, open-source automation module designed for integration with Home Assistant and local IoT systems. It is intended for DIY users, integrators, and designers of modern installations — without the need for cloud services.
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Description
The device is based on the Raspberry Pi Pico W / Pico2 W (RP2040) microcontroller and can be programmed in MicroPython, CircuitPython or C/C++, offering great flexibility for developers and hobbyists. With native MQTT support, PINIO is perfectly suited as an actuator, status interface, and measurement module in smart installations.
ADVANTAGES
■ local automation without cloud dependency
■ full integration with Home Assistant via MQTT
■ open platform – no licensing restrictions
■ perfect for learning, prototyping, and deployments
APPLICATIONS
■ home and local automation
■ IoT system prototyping and testing
■ MQTT integration
■ education and microcontroller programming
FEATURES
■ 2 digital inputs (e.g. buttons, sensors)
■ 2 relays (up to 2A)
■ OneWire bus support (e.g. DS18B20 sensors)
■ Wi-Fi communication (2.4 GHz) via Pico W
■ programming via microUSB
■ compatible with DIN rail (TH35) enclosures
■ wide input voltage range: 8–24 VDC
■ detachable terminal blocks for easy installation and maintenance
■ power connector with different pitch – increased mounting safety
■ GPIO exposed as pin headers and solder pads for DIY expansion
■ outputs for status LEDs and a reset button
DEVELOPER SUPPORT
The device comes with sample MicroPython code enabling:
■ relay control
■ input state reading
■ 1-Wire sensor support
■ MQTT communication
■ integration with Home Assistant
The code is intended as a demonstration and can be freely modified and extended. It is not a ready-to-use production environment.
