Build Guide - Calibration
Equipment requirement:-
0.0V and 2.0V voltage Reference sources (preferably switchable)
5K Lin potentiometer (wired in series with Reference output as per Figure A)
Figure A
Either:-
Method 1
- a high-accuracy frequency meter, or
Method 2
- an accurate audible tone generator and a small mono amplifier with a 2-input mixer
PCB Assembly
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sed: July 19, 2023