Using Sonoff 4ch Pro to control four 24V AC valves (Gardena). The control of the solenoid valves is simple - open the valve by connecting 24V to it, it will close automatically when disconnected. I am ...

This is a work in progress to create a 70W power amplifier to be used together with the Hermes-Lite 2.x using the commercial DIY Kit 70W SSB linear HF Power Amplifier (aka 70W MiniPA), a Low Pass ...