semickolon, 9 months ago Also, there’s a commercially available CH552T dev board for about a dollar. I actually use this for development: www.aliexpress.com/item/1005004141926425.html Even cheaper if you buy just the chip. Just add a USB connector and two capacitors then that’s it. No crystal, flash, etc. needed. A CH552G goes for about 30 cents: www.aliexpress.com/item/1005003402478164.html
Also, there’s a commercially available CH552T dev board for about a dollar. I actually use this for development: www.aliexpress.com/item/1005004141926425.html
Even cheaper if you buy just the chip. Just add a USB connector and two capacitors then that’s it. No crystal, flash, etc. needed. A CH552G goes for about 30 cents: www.aliexpress.com/item/1005003402478164.html