Hi guys, I have tried following the instructions in order to make an Illutron B synth ( RCArduino: The Must Build Arduino Project - The Illutron B ). Unfortunately, only 2 of the 4 LEDs blink and I get no sound unless I touch the 2. Only then do I get only the sounds attributed to those LEDs. I have …

What is wrong with my project?

Hackscribble May 4, 2014, 6:41pm 7

In that position in the circuit, the 0.22uF capacitor should be OK. What have you connected the audio output to?

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