How PIR modules work and using them to control LED strings.
20:41
Building a USB powered PIR/Radar adaptor for LED strings.
24:59
PIR LED lamp teardown. (With schematic.)
3:27
Rolltech HA650液晶螢幕操作示範
8:38
Magnetically actuated lights - one with bad software
13:50
Bicicleta eléctrica mecánica
8:56
How to use a PIR Passive Infrared Motion Sensor to control a simple lighting circuit
11:48
'My jaw is dropped': Canadian official's interview stuns Amanpour
18:32