Uploaded December 2024 | Updated September 2026, 4 days ago

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In this video, I show you how I merged multiple projects into one and applied it to a custom circuit board I designed. The code serves my most recent PCB, a 2-channel voltmeter designed to be plugged into breadboards.

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Affiliate links:
CH32V003J4M6: https://s.click.aliexpress.com/e/_oEHxP1d
WCH-LinkE programmer: https://s.click.aliexpress.com/e/_DdUKRAz
Multimeter: https://s.click.aliexpress.com/e/_AfAhM2
0.42" OLED display: https://s.click.aliexpress.com/e/_omVq1Zd

Article: https://curiousscientist.tech/blog/ch32v003j4m6-breadboard-voltmeter-coding
PCB: pcbway.com/project/shareproject/2_channel_breadboard_voltmeter_0749f2e1.html
Resources: wch-ic.com/products/CH32V003.html
Parts and tools: https://curiousscientist.tech/tools