Make a 12 volt adaptor with old mobile charger.

Make a 12 volt adaptor with old mobile charger.পুরানো মোবাইল চার্জার দিয়ে একটি 12 ভোল্টের অ্যাডাপ্টার তৈরি করুন।
Required instruments and materials:
1. Old Mobile Charger-------------------1p
2. 470uF(16v)capacitor------------------1p
3. 12v Zenar Diode-------------------------1p
4. 4.2uF(400v)Capacitor-----------------1p
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Видео Make a 12 volt adaptor with old mobile charger. канала MonoTech Master