I Couldn't Afford My Dream Bench Power Supply - So I Built It

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⏱️ Chapters
00:00 Introduction and why I built it
01:22 Features overview
03:15 Opening it up / sponsor
04:47 Hardware explained
08:34 Circuit schematic walkthrough
10:10 Upgrading to Raspberry Pi Zero 2W and Elecrow screen
11:49 Getting Modbus comms working (and killing things)
18:05 Replacing modules and building the UI
20:55 Toggle switches, case design, and 3D printing
27:12 Assembly, software, and final thoughts

🏷️ Tags
#diy #powersupply #raspberrypi #electronics #maker #3dprinting #raspberrypizero #modbus #xy6020l #homelab #benchtop #tkinter #python #pico #jlcpcb


🎉 Video Summary
I spent two years building my own dual-channel lab bench power supply using two XY6020L modules, a Raspberry Pi Zero 2W, a Pico, and an Elecrow touchscreen, after I couldn't find a commercial unit that had the features I wanted at a price I could afford. Sponsored by JLCPCB.