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This is an additive synthesizer where you can change the timbre using a mixer made of merely pencil and paper. Why buy variable resisters when you can...
Parts You’ll Need: -3 alligator clips -22 awg solid core wire -Solderless breadboard -9V battery -battery clip -7805, Voltage Regulator -2 Synchronous...
Put the 7555 on your breadboard. The 7555 is a timer and we will use it to drive the 4-bit counter. Connect pin 1* to ground. Connect pins 4 and 8 to ...
Place the 4-bit counter next to the 7555 on the board. Wire as shown. Connect the output of the timer (pin 3) to the input of the counter (pin 5). Pin...
The most important part of this circuit is the simplest. Take your pencil and rub the graphite onto the paper making a thick, long rectangle. We want ...
Make sure the ground rails are connected for common ground, and the voltage rails for common voltage. Connect the voltage regulator to the voltage rai...
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Dec 18, 2011
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