Uploaded July 2026 | Updated September 2026, 2 hours ago

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In this video, I show you how I built a 100 W-capable USB PD programmable power supply from scratch.

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Affiliate links:
CH32X035G8U6 board: https://s.click.aliexpress.com/e/_c32Mxslt
2.8” display: https://s.click.aliexpress.com/e/_c4V4gDPr
Multimeter: https://s.click.aliexpress.com/e/_c4PySRRv
65 W USB PD adapter: https://s.click.aliexpress.com/e/_DlJYXl5
Peltier cooler: https://s.click.aliexpress.com/e/_omvzicz
Thermometer (K-type thermocouple): https://s.click.aliexpress.com/e/_c4EO2QDh
Solder paste/flux dispenser: https://s.click.aliexpress.com/e/_oFIM4oH
Solder paste: https://s.click.aliexpress.com/e/_oplNPLB
Flux: https://s.click.aliexpress.com/e/_c3EiyWy5
Tweezer: https://s.click.aliexpress.com/e/_Dmjm8CZ

Article: https://curiousscientist.tech/blog/making-my-own-usb-pd-programmable-power-supply
PCB: pcbway.com/project/shareproject/100_W_USB_PD_Programmable_Power_Supply_0118056a.html
Relevant tools: https://curiousscientist.tech/tools