Hi all. I am using a voltade divider with 30k and 10k resistors and connected to an analog pin on my Photon. For some reason the maximum reading I get(through Blynk) is 13.2volts Readings are correct from 0-13.2v but if I go above(max 17v) reading stops at 13.2v Any ideas? This is the code. //…

Voltage divider to measure 14.4v from Alternator

RWB February 27, 2017, 5:08pm 9

Here is a sensor to easily and accurately way to measure voltage up to 26v DC.

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