Inside an outdoor PIR sensor switch.
24:59
PIR LED lamp teardown. (With schematic.)
11:49
Riparazione e funzionamento di un sensore presenza PIR infrarossi per comando luci con modifica 12v
24:39
IKEA SMÅHAGEL USB charger teardown
57:03
Como Dois Amigos Transformaram um Castelo Abandonado em um Hotel 4☆ | by @chateaudutheil
14:03
Faulty PIR switch meltdown
1:38:59
Inside the Factories: Top 4 Incredible Process of Making That Make Mass Production Possible
25:46
Using LEDs as mains indicator lights on 120V and 230V (live demos)
21:01