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How to make 5 and 12 volt transformerless power supply ??? || convert 220volt ac to 5v and 12v dc ||
hello dosto
is video me hum 5volt aur 12 volt ki power supply banayenge . isme hum bina transformer ke pf capacitor ki help se voltage drop kiye fir bridge rectifier ki help se ac se dc me convert kiya uske baad filter capacitor ki help dc filter karne ke baad zener diode ki help se 5volt ya 12 volt prapt kiye .
Resistance for 1 to 100 LED series :- • what are the value of ...
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