DIY

2014 Advent Calender of Circuits

This might be a bit late for this – but better to be late than too late: I just happened to find out that there is 2014 Advent Calender of Circuits. Every day this month and until Christmas, [vk2zay] is (has already been!) posting a simple but useful hack in his 2nd sort-of-annual “Advent Calender

My LPT DAC story

Hackaday featured today LPT DAC circuit. Back in the olden days, around 25 years ago, sound cards were rare on PCs. One hack those days was the original Covox Speech Thing, that connected a simple DAC to to PC parallel port. The Covox Speech Thing (also known as Covox plug) was an external audio device