Kequencer 2.0
The original Kequencer got way more attention than I expected, so I’ve built another one and done a more comprehensive build report to make it easier for people to replicate. This time round I’ve taken a much cheaper and visually more interesting route, by doing away with the front panel altogether. (This build style was inspired by sndbyte’s amazing work.) I’ve also added a fine-control pot to each oscillator to making tuning a bit easier. I cleaned up the output section a bit with a LM386 amp set up in such a way that it plays nicely with the onboard speaker, external headphones, and line-out. I don’t think this is the best way of doing things but it works. The other big change is the addition of a LM317 adjustable voltage regulator, allowing you to drop the voltage from 7V all the way down to about 1.3V, when it sputters to a stop. In some settings, you can hear the regulator in action, vibrating the audio like an LFO.
Shared by rdbartlett
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