In this Instructables, I will show you How to step down DC voltage efficiently.
for supplying power to Arduio or any other components required 5v or 3.3v.
If you use LM7805 it having poor efficiency about 30%.It also heat up.
If you use LM2576HV-ADJ it having decent efficiency up to 80%.It can also give adjustable voltage between 3-60 v by adjusting POT.
for getting clear idea MUST WATCH VIDEO GUIDANCE.
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Step 1: Parts List
1xMBR 360 or 1N5822 Schottky Diode:
Step 2: Circuit Diagram
Follow this circuit.
Step 3: Testing & Assembling
First test the circuit on Breadboard.
then mount all components on plane PCB & solder it.
make a fix solder paths for +Ve & -Ve inputs.
thank you for watching.