HP Prime too complicated

[sasa]

(07-17-2018 05:41 AM)cyrille de brébisson Wrote:  USB-Serial convertors are usually crap.

BTW, there is many fake chips around in USB to Serial convertors. However, any convertor which use genuine FTDI chip worth every cent. The speed is up to 1Mbit (or more).

Of course, if precise timing is required, such use may be difficult or impossible. One of such is programming some MCUs through serial port.