Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

Arduino Code Sketch /* Arduino Night Alarm with Warning light * T.K ... LOW); delay(30*1000); /* inhibit alert input for 30 seconds during initial power on. Only for PIR sensor (see article ... If you ...

The important bit on this wireless sensor, the PIR sensor, connects with three pins – power, ground, and out. When the PIR sensor sees something it transmits a code the base station where the ...

Working from home with regular video meetings has its challenges, especially if you add kids to the mix. To help avoid embarrassing situations, [Charitha Jayaweera] created Present!, a USB device t… ...