Christmas light controller

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i trying build christmas light controller using setup: https://github.com/dimecoin/xmasfht

everything going well, getting lots of noise on circuit - nothing connected audio input, getting readings on serial monitor.

attached translation of schematic included in link onto breadboard. freely admit not @ translating schematics.

have missed translation of schematic? how can reduce noise on circuit?

if have posted in wrong area, please correct me.

thanks all!

hi,
welcome forum.
the ops diagram.

you need green wire, forms part of potential divider feed variable audio voltage a0.
what component values?


quote
everything going well, getting lots of noise on circuit - nothing connected audio input, getting readings on serial monitor.
what mean noise?
if green wire not connected possible noise coming from.
what see on serial port?
do have dmm?

thanks.. tom.. :)


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