Computer Doctor. • පරිගණකය ගැන හැදින්වීම (පලමු කොටස). පරිගණක ... How to Making PIR Sensor LED Bulb at Home 01. Old or New LED Bulb 02. PIR Sensor 03. Removing Bulb and Installing PIR Sensor with LED 04. Soldering Carefully Watch Video and Making Bulb and Enjoy Thanks for watching My Video... Like, Share and Subscribe My Video... [ED]