You can buy relays that will operate on the Arduino 5V pin output and switch anything between 12V and 250V - normally open or normally closed. You can but a bank of eight of the relays side-by-side.
Something like this:
Cheers
Catweazle NZ
You can buy relays that will operate on the Arduino 5V pin output and switch anything between 12V and 250V - normally open or normally closed. You can but a bank of eight of the relays side-by-side.
Something like this:
Cheers
Catweazle NZ