Love your detailed replies!
With an internal resister of "around 13k ohm" that you mentioned - is that in series or parallel?
I know basic electronic concepts, but not really my field, so having a bit of a blank trying to picture it. Will it be like LDR and internal in series, thus making a voltage divider to an analog read pin (in this case between 2 digital pins with one set to 0)?
I was asking about different LDRs as I do not know if the device will be able to register this micro voltage if too high resistance is chosen.
I dont think it will really matter as you have said - I looked at the nRF power estimation and most of the power will be used in tramission of the data
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