Variable DC power supply design using LM317 ,12V,9V,5V,6V,3.3V output proteus
Variable DC power supply design using LM317 ,12V,9V,5V,6V,3.3V output
simulated in Proteus , here using 15V DC as input
230V AC to 15V DC conversion can be done using a transformer
,rectifier and a capacitor filter
https://ineclabs.com/12v9v5v3-3v-dc-s...