PH metre » History » Revision 12
Revision 11 (Frédéric Blanc, 2021-04-11 10:09) → Revision 12/19 (Frédéric Blanc, 2021-04-11 10:55)
h1. PH metre h2. PH-4502C !clipboard-202104101846-oevts.png! *Po* Ph analog *To* Temp analog *Do* Trig digital !clipboard-202104101516-ovhks.png! h3. ADS1115 gain x1 (4.096V) <pre><code> ph=-5.7*(%value%/2^15*4.096)+21.34 </code></pre> 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 Température !clipboard-202104111008-blrnr.png! correction en température du Ph !clipboard-202104111055-6t3ty.png!