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Showing posts from February, 2021

Raspberry Pi measuring Voltage

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I'm always a little confused that as soon as someone wants to get an analog measure to a Raspberry Pi(RPi) they are often taking a detour via an Arduino/ESP or some other microcontroller.  Why not just take an Arduino peripheral and use it together with a RPi ?  In my case I needed to measure the voltage across a fresh water tank level sensor in our boat, but i could be any DC voltage. Hints for sending the data to a   Signal K (SK) server is found below.  In this post I will use an ADS 1115 (AD), or ADS 1015, as AD converter.

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