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🧪 Mod-pH


  • Mod-pH in a breadboard
  • Front of Mod-pH
  • Back of Mod-pH
  • Mod-pH Fritzing


🔰 Easy

Easy I2C interface, simple API, minimal technical knowledge required


📦 Arduino

Library available in Arduino IDE and PlatformIO

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🎯 Accurate

  • ±0.005 pH over entire pH range of 0-14 pH
  • temperature compensated

🐍 Raspberry Pi

Python library docs

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↕️ Calibration

Calibration routines on-chip: single, dual, and triple point


📒 Datasheet

Datasheet

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Code

  • 1 
    #include <Microfire_Mod-pH.h>
    2 
    Microfire::Mod_pH::i2c ph;
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    void setup() {
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      Serial.begin(9600);
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      Wire.begin();
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      ph.begin();
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    }
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    9 
    void loop() {
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      ph.measurepH();
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      Serial.println((String) ph.pH + " pH");
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      delay(1000);
    13 
    }

    Read more here
  • 1 
    # import the component
    2 
    external_components:
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      - source:
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          type: git
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          url: https://github.com/u-fire/ESPHomeComponents/
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    sensor:
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      - platform: mod_ph
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        name: pH

    Read more here

Other stuff you'll need

This is just the module. You could...
  • Use it in a breadboard. To do that, you'll need to connect the I2C bus and probe connections using point-to-point wiring or something similar.
  • Use it in a Carrier Board for an easier-to-use solution than breadboards.
  • Use it on a custom board and attach it either by pins or castellation.

You'll need a pH probe:


Mod-ISO will minimize cross-probe and environmental interference.





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