Components Needed: Raspberry Pi 4. Arduino Uno. 4-channel relay module. PIR motion sensor. Steps: Use Arduino to handle sensor input and relay control. Pi runs a Python Flask server with a simple UI ...

The vertsatile Uno Rev3 is capable of more than just a board for experimental and education projects ...

Obviously, I wanted to try out my module, but had no idea where to start. I checked several Arduino projects and related libraries available online but was confused. Finally, I decided to do my first ...