Bit Banging LCD + Touch + USB on the ch32v003

In this video, I use some insanely cheap parts to make a sub-$1-bill-of-materials device using ch32v003, RISC-V 48MHz ~10 cent processor to drive a raw LCD, as well as turning it into a touch sensor, and also communicating over USB back to a PC. Source Code / Docs: https://github.com/cnlohr/ch32v003_3digit_lcd_usb/ Support video creation on Patreon, here. My Patreon is per-video. https://www.patreon.com/cnlohr