PH metre » History » Revision 6
Revision 5 (Frédéric Blanc, 2021-04-10 18:46) → Revision 6/19 (Frédéric Blanc, 2021-04-10 19:34)
h1. PH metre h2. PH-4502C !clipboard-202104101846-oevts.png! *Po* Ph analog *To* Temp analog *Do* Trig digital !clipboard-202104101516-ovhks.png! -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