Bugg daydream

Your board has a lot of flux on it. Take a real good look at all your connections for any stray solder or wire. For example, this got me the other day
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As you can see no cold solder joints no bridging ect. Just super low output. there is output so I can hear everything working as it should but just very little output volume.
 
Checked schematic, if you turn mix down and turn volume all way up how is gain compared to bypassed signal?

I’ve had bad pots and incorrectly oriented voltage regulator pins :)
 
What about the eeprom chip? did you get that from pedalpcb preprogrammed?.. My vote is ic's from tayda.. I havent bought ic's or transistors from there because of this reason..
 
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