Very cool, that's clearly a quite capable controller! The AUD$20 is for the full dev board, the bare chip seems to be around US$3 [1]. I've never hand-soldered

Very cool, that's clearly a quite capable controller! The AUD$20 is for the full dev board, the bare chip seems to be around US$3 [1]. I've never hand-soldered anything in LQFP-100, sounds exciting! [1]: https://www.lcsc.com/products/Microcontroller-Units-MCUs-MPUs-SOCs_11329.html?keyword=CH32V307VCT6 https://www.lcsc.com/products/Microcontroller-Units-MCUs-MPU...