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PH metre » History » Revision 10

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Frédéric Blanc, 2021-04-11 10:08


PH metre

PH-4502C

Po Ph analog
To Temp analog
Do Trig digital

ADS1115

gain x1 (4.096V)


ph=-5.7*(%value%/2^15*4.096)+21.34

https://www.e-tinkers.com/2019/11/measure-ph-with-a-low-cost-arduino-ph-sensor-board/

http://agregationchimie.free.fr/phmetre_arduino.php

h2.DS18B20

Updated by Frédéric Blanc over 3 years ago · 19 revisions