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First version of a Arduino Nano HAT to connect multiple photometer cells. It works BUT.
- jst connectors too close together
Second version of the Arduino Nano HAT. It looks better and works BUT.
- connections/annotation screwed up.
(I'll never learn)
PCB that fits the opt101 and a potentiometer to set the sensitivity of the sensor. Works great and fits perfectly into the housing of the measurement cells.
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