bijli ki bachat, how to make pir sensor, पी आई आर सेंसर बनाना सीखे, pir sensor Giridih,merajelegrd , 

Bijli ki bachat, how to make pir sensor,
पी आई आर सेंसर बनाना सीखे,
pir sensor Giridih,
Hi guys kaise aap sab
Guys AJ aap banana sikhe ge pir sensor
Ise banane ke lagenge kuchh component
Bc547 transistor
4007 diode
12 volt relay
Ek pir sensor module
Is pyar sensor ko banane ke liye
Sirf aapko lagenge 50 se 60 rupaye
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