Went today to the shop to get many 150k and 75k resistors to finish the AVRSynth32 but they didn’t have enough. My eye caught this fine toroidal transformer of 50VA (I know it is overkill!!!) that outputs +15V, -15V and common ground. So I decided that since I am going to build some yusynth modules, [...]
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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 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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