Buck-convertor

Buck convertor fabricated using ATtiny as microcontroller programmed in Embedded C.

Program to output a PWM pulse at 250kHz frequency with duty cycle inversely proportional to the input potentiomenter through ADC. ADC sampling of 250kHz is used.

Find project documentation here

Gallery

Circuit diagram

Fabricated board

Testing

Input voltage

Output voltage = 3 V

Output voltage = 5 V

Output voltage = 7 V