4 layers104.3 × 120.8 mm

Testingg
AndrewCieslak/PersonalPowerSupply
My personal 20V in, 15-1.5 V out buck converter power supply code and schematics. Fully discrete, with almost no integrated components for the feedback loop.
115 partsMIT
Boards in 1 GitHub repository, designed in KiCad, that use the SN74LS221N by Texas Instruments (Dual Monostable Multivibrator with Schmitt-Trigger Input). See how each wires it, with its parts, size, README and files; the SN74LS221N’s symbol, footprint and pinout are on its own page.

AndrewCieslak/PersonalPowerSupply
My personal 20V in, 15-1.5 V out buck converter power supply code and schematics. Fully discrete, with almost no integrated components for the feedback loop.