Hello friends, This is very cool idea to make wide rage power supply for 12V/24V adaptor and you will get output from 1-38Volt. Here I used two module for DC to DC converter. This is very easy to make, just follow all the step and make your own wide range power supply.

Components:
1) xl 4015 step down buck converter : https://roboman.in/znd4
2) DC-DC Boost Converter LM2587 or XL6019 : https://roboman.in/kkuj
3) DC Socket : https://roboman.in/xezf
4) Toggle switch SPDT :https://roboman.in/qnoz
5) Voltmeter 3 wire : https://roboman.in/coeu
6) 10K Pot
7) Pot Knob 113 : https://roboman.in/c8ts

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