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Frédéric Blanc, 2021-04-10 19:34
PH metre¶
PH-4502C¶
Po Ph analog
To Temp analog
Do Trig digital
-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/
Updated by Frédéric Blanc about 3 years ago · 6 revisions