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Frédéric Blanc, 2021-04-10 19:36
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/
Updated by Frédéric Blanc about 3 years ago · 7 revisions