Mod-pH for Arduino

📒 Datasheet PDF DOC HTML

📦 Arduino IDE and PlatformIO library PDF DOC HTML

1.

🔽 Get Arduino

Install the Arduino IDE

2.

📦 Install the library

Start the Arduino IDE, press the Sketch menu, and then Include Library > Manage Libraries

1. Search for Microfire and install the library called Microfire Mod-pH

3.

🔌 Connect everything

1. Connect the probe
2. Make the I2C connections:
3. Mod-pH SDA to controller SDA
4. Mod-pH SCL to controller SCL
5. Mod-pH GND to controller ground
6. Mod-pH VCC to controller 3.3 or 5-volt

4.

🔰 Write some code

Below is the Basic example. It can be found in File > Examples > Microfire_Mod-pH > Basic in the Arduino IDE.

// include the header file
#include <Microfire_Mod-pH.h>
Microfire::Mod_pH::i2c ph;

void setup()
{
  // start Serial and I2C
  Serial.begin(9600);
  Wire.begin();

  // start the sensor
  ph.begin();
}

void loop()
{
  // take a pH measurement
  ph.measurepH(ph.tempC);

  // display the results
  Serial.println((String) ph.pH + " pH");

  delay(1000);
}

5.

➡️ Upload the code

1. Tell the Arduino IDE what board you are using. Press Tools > Board and find yours in the menu
2. Press the upload button

6.

🔎 View the output

1. Open the Serial Monitor by pressing Tools > Serial Monitor
2. The measurements should be displayed in the monitor, with updates every second