When everything’s plugged in, this is how your Arduino, motion sensor, and power relay should look. Jeremy S. Cook. Plug the male-to-female jumper wires into the motion sensor pins.

Most of us would probably expect to see a PIR sensor, but this light is motion sensing with microwaves. We have seen such units tested in the past , which links to a video [hclxing] also references.

Makers and developers looking for a motion sensor Arduino Shield, are sure to be interested in this new ICU-Duino which has been created by Patrick Thomas Mitchell based in Ottawa, Canada ...