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The Crazy Looper is a small hand held device that allows you to create real-time noise loops with a fast modulation metallic effect. It's a simple microcontroller project ...
PARTS 1 x 100nF Capacitor (C5) 1x 10nF Capacitor (C6) 2x 10k Pot(spline shaft) (VR1 VR2) 2x 10K Resistor (1/4W) (R2 R4) 4x 1K Resistor (1/4W) (R6 ...
*Solder the 4 1K(R5 R7 R8 R10) and the 2 10K(R2 R4) resistors to the PCB. *Solder in the wire link at S2.
Solder the 8pin IC socket to the PCB
Solder the 3.5mm audio connector to the PCB.
Solder the capacitors(C5 C6) to the PCB.
Solder the LDR to the PCB. Make the LDR sit about 8-10mm from the PCB.
Solder the LEDs(LED1 LED2) to the PCB.
Solder the voltage regulator(IC3) to the PCB.
Fit the 10k variable resistors VR1 and VR2 to the PCB.
Solder the 9 Volt battery clip to the PCB. *(optional) At this stage you can add some hot glue to the spot where the leads attach to PCB ...
Fit the two knobs to the variable resistors.
Now we need to program the Picaxe micro-controller. The basic program file is attached below and the programming editor for the picaxe can be downloaded for free at ...
Fit the Picaxe 08m(IC2) to the PCB.
I have included two schematics, one is the circuit without a programming port and one includes a programming port.
The Crazy Looper builds up sound loops using three controls,tempo, sound and write. The sound control adjusts the frequency of the tone in the second half of the ...
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