Bought from here.
user manual: https://github.com/wuxx/icesugar-nano/blob/main/README.md
win 7 serial driver: https://github.com/wuxx/icesugar-nano/blob/main/doc/usbser.inf
source and semantics: https://github.com/wuxx/icesugar-nano
Follow https://projectf.io/posts/building-ice40-fpga-toolchain/ . If you got this error: fatal error: ‘ftdi.h’ file not found, then modify config.mk in /Users/peter/workspace/icestorm:
![](https://peter.quantr.hk/wp-content/uploads/2023/05/Screenshot-2023-05-01-at-9.54.34-PM-600x395.png)
Edit /Users/peter/workspace/icestorm/iceprog/Makefile
![](https://peter.quantr.hk/wp-content/uploads/2023/05/Screenshot-2023-05-01-at-9.55.27-PM-600x306.png)
All examples in https://github.com/wuxx/icesugar-nano , just drag the demo program from demo folder or build it from src folder.