DIY...Electronic...Repair...Amplifier.

DIY...Electronic...Repair...Amplifier.

DIY Super bright light reading lamp usb power.

Hello everyone today I'm going to show you how to make super bright light usb power      reading lamp from low cost 12 volts led made in china light bulb. Now you can use your  power bank to supply super bright reading lamp even if power outage. The bulb compatible  with computer usb supply too.

Let's get start!!!

List of component:


  Low cost made in china 12 volts led bulb 
  IC regulator 7833








 First open led bulb case

Then find led cathode that print circuit is connect to negative pole directly as show in dark bule  line in picture below and connect  positive wire(pale blue) to led anode. 

  Solder wire to IC 7833 and bulb as picture below. White wire negative,pale bule positive.

Now assemble everything in the bulb and see full demonstration in my video below.



Have a good diy time. Bye bye.
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