HP 1631D: New toy!
03 May 2012
More to come about this lovely lady, I’m just getting to learn how to use her. Here’s a shot of an analog trace of tapeDuino’s MT8870DE IC’s early steering and 1/4 parallel data pins while doing a DTMF decode.
More to come about this lovely lady, I’m just getting to learn how to use her. Here’s a shot of an analog trace of tapeDuino’s MT8870DE IC’s early steering and 1/4 parallel data pins while doing a DTMF decode.