My first Variable DC Power Supply 1.2V to 30V 1A by LM317

If you are beginner in electronics and you want to have a great power supply. This project is design for you. It can supply voltage 1.2V to 30V at all range is 1A.

This include of:
- LM317T the ever popular
- The working of circuits
- Calculate the LM317 output voltage
- Parts you need
- How to builds with PCB layout
- The transformer to set output voltage
- Adding fine adjustable voltage.

By Momename
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