Hackoween badge

November 17, 2024 ยท View on GitHub

This has been made with a very hot needle in a very short timeframe.

PCB design is suboptimal.

It is based on the WCH CH32V003 MCU and draws between 11mA and 14mA at 5V.

the badge

Programming

To flash the badge, you need to have a WCH-LinkE programmer and the wlink CLI tool.

NOTE: The older WCH-Link (without E) does not work!

Connect as follows:

  • TP3 is the SWDIO pin
  • TP1 is 5V VCC
  • TP2 is GND (ground)

In the firmware/ directory, run:

cargo run --release