It’s a fairly simple project, too: just hook an Arduino Uno up to a motion ... of the code define program variables and data storage locations. You’ll see PIRPin defined as “2” and OutPin ...

For his sensor, [Felix] is using a Moteino, a very tiny Arduino compatible board ... sees something it transmits a code the base station where the ‘motion’ alert message is displayed.

Like the Arduino and ... Internet-connected motion detector that [Eric William] has come up with. With just a Wemos D1 Mini, a standard PIR sensor, and some open source code, you can create ...