I am using INA226 as a power monitor: INA226 Current and Power Sensor • Wolles Elektronikkiste
Now I want to use Serial Plotter to show Shunt Voltage [mV] -value.
Code can be found below. Could someone help me, please? I have tried but Plotter does not say a thing.
> /***************************************************************************
> * Example sketch for the INA226_WE library
> *
> * This sketch shows how to use the INA226 module in continuous mode.
> *
> * Further information can be found on:
> * https://wolles-elektronikkiste.de/ina226 (German)
> * https://wolles-elektronikkiste.de/en/ina226-current-and-power-sensor (English)
> *
> ***************************************************************************/
> #include <Wire.h>
> #include <INA226_WE.h>
> #define I2C_ADDRESS 0x40
>
> /* There are several ways to create your INA226 object:
> * INA226_WE ina226 = INA226_WE(); -> uses I2C Address = 0x40 / Wire
> * INA226_WE ina226 = INA226_WE(I2C_ADDRESS);
> * INA226_WE ina226 = INA226_WE(&Wire); -> uses I2C_ADDRESS = 0x40, pass any Wire Object
> * INA226_WE ina226 = INA226_WE(&Wire, I2C_ADDRESS);
> */
> INA226_WE ina226 = INA226_WE(I2C_ADDRESS);
>
> void setup() {
> Serial.begin(9600);
> Wire.begin();
> ina226.init();
>
> /* Set Number of measurements for shunt and bus voltage which shall be averaged
> * Mode * * Number of samples *
> AVERAGE_1 1 (default)
> AVERAGE_4 4
> AVERAGE_16 16
> AVERAGE_64 64
> AVERAGE_128 128
> AVERAGE_256 256
> AVERAGE_512 512
> AVERAGE_1024 1024
> */
> //ina226.setAverage(AVERAGE_16); // choose mode and uncomment for change of default
>
> /* Set conversion time in microseconds
> One set of shunt and bus voltage conversion will take:
> number of samples to be averaged x conversion time x 2
>
> * Mode * * conversion time *
> CONV_TIME_140 140 µs
> CONV_TIME_204 204 µs
> CONV_TIME_332 332 µs
> CONV_TIME_588 588 µs
> CONV_TIME_1100 1.1 ms (default)
> CONV_TIME_2116 2.116 ms
> CONV_TIME_4156 4.156 ms
> CONV_TIME_8244 8.244 ms
> */
> //ina226.setConversionTime(CONV_TIME_1100); //choose conversion time and uncomment for change of default
>
> /* Set measure mode
> POWER_DOWN - INA226 switched off
> TRIGGERED - measurement on demand
> CONTINUOUS - continuous measurements (default)
> */
> //ina226.setMeasureMode(CONTINUOUS); // choose mode and uncomment for change of default
>
> /* Set Current Range
> * Mode * * Max Current *
> MA_400 400 mA
> MA_800 800 mA (default)
> */
> //ina226.setCurrentRange(MA_800); // choose gain and uncomment for change of default
>
> /* If the current values delivered by the INA226 differ by a constant factor
> from values obtained with calibrated equipment you can define a correction factor.
> Correction factor = current delivered from calibrated equipment / current delivered by INA226
> */
> // ina226.setCorrectionFactor(0.95);
>
> Serial.println("INA226 Current Sensor Example Sketch - Continuous");
>
> ina226.waitUntilConversionCompleted(); //if you comment this line the first data might be zero
> }
>
> void loop() {
> float shuntVoltage_mV = 0.0;
> float loadVoltage_V = 0.0;
> float busVoltage_V = 0.0;
> float current_mA = 0.0;
> float power_mW = 0.0;
>
> ina226.readAndClearFlags();
> shuntVoltage_mV = ina226.getShuntVoltage_mV();
> busVoltage_V = ina226.getBusVoltage_V();
> current_mA = ina226.getCurrent_mA();
> power_mW = ina226.getBusPower();
> loadVoltage_V = busVoltage_V + (shuntVoltage_mV/1000);
>
> Serial.print("Shunt Voltage [mV]: "); Serial.println(shuntVoltage_mV);
> Serial.print("Bus Voltage [V]: "); Serial.println(busVoltage_V);
> Serial.print("Load Voltage [V]: "); Serial.println(loadVoltage_V);
> Serial.print("Current[mA]: "); Serial.println(current_mA);
> Serial.print("Bus Power [mW]: "); Serial.println(power_mW);
> if(!ina226.overflow){
> Serial.println("Values OK - no overflow");
> }
> else{
> Serial.println("Overflow! Choose higher current range");
> }
> Serial.println();
>
> delay(3000);
> }
to view serial monitor.