The KIT is equipped with 220V to 12V 2A power supply and Female Power Supply 5.5mm Jack connector cable. The connector cable has two wires:
- Red is +12V;
- Black is 0V;

The 12V power supply has to be connected to the linear 5V multi connector power supply board based on 7805:

The advantage of the board are two input and two output connectors connected in parallel, so more devices can be easy connected to the board.
- Output voltage: 5V;
- Max input voltage: 30V;
- Max current: 0.5A;