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OpenHAB - SmartHome (307 posts)

29/05/2024

OPENHAB and SWIMMING POOL control panel: calibrating PH meter 4502C - VIDEO [Versione in italiano]

by Marco Lamanna

Calibration of the PH 4502C probe, using a PH 9.18 solution to define a second calibration point, in addition to the PH 7 point already defined in the previous video.

I update the sketch with the final PH calculation formula and display the value on the LCD display.

For the Arduino sketch I took inspiration from this page: https://www.e-tinkers.com/2019/11/measure-ph-with-a-low-cost-arduino-ph-sensor-board

Enjoy your viewing

[Open on YOUTUBE]