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I desperately needed some through ports for devices I have that have only in and out ports. So this easy project was done in a single worknight (after putting kids to sleep, 2 hours at most) It is no compicated design. You just have to get the midi input (using the optocoupler like all midi stuff [...] This is how fractalSynth looks like: And this is how it sounds (a little tape delay added) I had once stumbled upon Catweazle’s fractal synth. In the circuit benders forum it seemed that the project had come to a halt. But recently I realized that it was going on elsewhere.! Here.Also, the files can be found in [...] The connections are simple now. It got a little wiry but it plays alright.. The following sample is a single note (until the end where I start to improvise The loop is made by the envelope only (decay time) The original site of JAREK ZIEMBICKI is hereThere is this other guy named krüe who [...] The switch multiplexer.. lots of diodesand cables midi interface (a little deviation from schematics here since I didn’t have a P900 or 4N25 optocoupler at hand and used a 6N138/9) The (typical) power supply. 5v with 7805 This is the Digital to analog converter. It uses lots of 1% resistors. The schematic mentioned that for the most significant parts, 0.1% resistors should be used but I didn’t use such. It really has no effect on sound (at least for me that I didn’t expect anything special).Again, a little attention to the schematic, [...] I decided to make JAREK ZIEMBICKI’s AVRSYN. But there were only the schematics and no board layout so I had to make my own. So I started laying it out on eagle but I got on a deadlock due to the fact that I didn’t want to make a double sided board. I would etch [...] This is a serial communications module (using the UART that exists inside the PIC 18Fxxx, It just changes Voltage levels so your 5v microchip, doesnt get fried by the serial’s +-9V This is a simple 7805 on a perfboard. Giving stable 5v to your (my) test circuits and breadboard projects.. I recently made a 3.3 V [...] |
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