Published On Jun 16, 2019
How to Make 12 Volt Power Supply 12 वोल्ट की पॉवर सप्लाई बनाना सीख लो #lm7812 #powersupply #transformer
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7812 Voltage Regulator IC https://amzn.to/2XfpPlf
Transformer https://amzn.to/2WLK3Po
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