May be interested in a new smart Arduino lock ... use the relay to connect something else, like a light bulb. You can connect extra things, like a lamp or a motor, to the other switch to open the ...

Electronic and Arduino enthusiasts searching for an Arduino project to keep them busy this weekend may be interested in a new Arduino Mega fingerprint door lock. Using a little Arduino programming ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. There’s not many things you need to use an incognito browser window for, and let’s ...