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Eletrix Repeater - some pictures from the noise modification I tried

Noisemod, the analog ground at the TL072 for inputs
This large ground pin of the 3.3V regulator should be used as digital ground, but my soldering tin does not stick on it. (I even tried soldering with 450 degrees celcius)
the groundpins pinched off the 40 pin connectors
the new power connector