How to make a Boost Converter WITHOUT Microcontroller (w/ feedback)

Here's a relatively simple boost converter circuit that uses two NE555 timers and one op-amp (LM358 in my case) co make a self regulating boost converter. Thanks for watching! 0:00 Intro 0:34 PWM circuit 2:20 Boost circuit 2:45 Choosing the coil 4:12 Feedback loop 5:56 Outro BG music by Karl Casey @ White Bat Audio (Rain City)