Theft alert door alarm, using DC Motor Carrie Underwood performs acapella after technical glitch at inauguration Michele ...

If you are looking to build a simple RFID-based security system to secure your important ... simple RFID-triggered mechanism for their office door. It’s a pretty simple setup that is composed ...

Erin: And catch them in the act. Izzy: And we’ll rig up micro:bits to set an alarm when the cupboard door is opened. It’ll be easy. Erin: They’ve hit. Go, go, go! Izzy: We did it by creating ...