Quantity   Component name
4 × 8 Relay Array Modules required
1 × Arduino Mega 2560 required
1 × Ribbon Connection Cables required unless you have wires or want to solder a bunch of connections
1 × Threaded Inserts Not required but useful
1 × Arduino Connection Shield Not required but makes life a bit easier
1 × Remote Switch Not required, you can use a standard toggle switch
1 × Power LED Not required, you can use the LED on the Mega to know that it has power
1 × Disco LED Not required, but fun
1 × E-matches You can find these on Ebay: https://ebay.us/kD1x4o