Ah, the pre-USB interfaces. The most fun I had was figuring out how to read the input from an old shipping scale which had serial port output. That powered my

Ah, the pre-USB interfaces. The most fun I had was figuring out how to read the input from an old shipping scale which had serial port output. That powered my keg monitoring server, which I eventually wrote mobile apps for. It was the best side project I've worked on!