PH metre » History » Version 7
Frédéric Blanc, 2021-04-10 19:36
| 1 | 1 | Frédéric Blanc | h1. PH metre |
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| 2 | |||
| 3 | 2 | Frédéric Blanc | h2. PH-4502C |
| 4 | |||
| 5 | 5 | Frédéric Blanc | !clipboard-202104101846-oevts.png! |
| 6 | 4 | Frédéric Blanc | |
| 7 | 3 | Frédéric Blanc | *Po* Ph analog |
| 8 | *To* Temp analog |
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| 9 | *Do* Trig digital |
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| 10 | |||
| 11 | 1 | Frédéric Blanc | !clipboard-202104101516-ovhks.png! |
| 12 | 2 | Frédéric Blanc | |
| 13 | 7 | Frédéric Blanc | h3. ADS1115 |
| 14 | 1 | Frédéric Blanc | |
| 15 | 7 | Frédéric Blanc | gain x1 (4.096V) |
| 16 | *ph=-5.7*(%value%/2^15*4.096)+21.34* |
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| 17 | 6 | Frédéric Blanc | |
| 18 | 2 | Frédéric Blanc | https://www.e-tinkers.com/2019/11/measure-ph-with-a-low-cost-arduino-ph-sensor-board/ |
| 19 | |||
| 20 | http://agregationchimie.free.fr/phmetre_arduino.php |