Domicruiser on "Digital Oscilloscope assembly instructions"
Thursday 24 May 2018 at 00:36
I find out that R1 should be replace with R2. @pvever i had the same problem as you. Now with this change both signals are correct.
The adjustment doesn't work very well but for me it is ok.
Correct: R1 520K/ R2 5.1M
Sorry for my bad english 
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