68 lines
1.7 KiB
Arduino
68 lines
1.7 KiB
Arduino
/*
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INA226 Bi-directional Current/Power Monitor. Alert Example.
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Read more: http://www.jarzebski.pl/arduino/czujniki-i-sensory/cyfrowy-czujnik-pradu-mocy-ina226.html
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GIT: https://github.com/jarzebski/Arduino-INA226
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Web: http://www.jarzebski.pl
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(c) 2014 by Korneliusz Jarzebski
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*/
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#include <Wire.h>
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#include <INA226.h>
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INA226 ina;
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void setup()
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{
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Serial.begin(115200);
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Serial.println("Initialize INA226");
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Serial.println("-----------------------------------------------");
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// Default INA226 address is 0x40
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ina.begin();
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// Configure INA226
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ina.configure(INA226_AVERAGES_1, INA226_BUS_CONV_TIME_1100US, INA226_SHUNT_CONV_TIME_1100US, INA226_MODE_SHUNT_BUS_CONT);
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// Calibrate INA226. Rshunt = 0.01 ohm, Max excepted current = 4A
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ina.calibrate(0.01, 4);
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// Enable Bus Over-Voltage Alert
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// ina.enableBusOvertLimitAlert();
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// ina.enableBusUnderLimitAlert();
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// ina.setBusVoltageLimit(3.33);
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// Enable Shunt Over-Voltage Alert
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// ina.enableShuntOverLimitAlert();
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// ina.enableShuntUnderLimitAlert();
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// ina.setShuntVoltageLimit(0.0055);
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// Enable Power Over-Limit Alert
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ina.enableOverPowerLimitAlert();
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ina.setPowerLimit(0.130);
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// ina.setAlertInvertedPolarity(true)
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}
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void loop()
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{
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Serial.print("Bus voltage: ");
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Serial.print(ina.readBusVoltage(), 5);
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Serial.println(" V");
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Serial.print("Bus power: ");
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Serial.print(ina.readBusPower(), 5);
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Serial.println(" W");
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Serial.print("Shunt voltage: ");
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Serial.print(ina.readShuntVoltage(), 5);
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Serial.println(" V");
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Serial.print("Shunt current: ");
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Serial.print(ina.readShuntCurrent(), 5);
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Serial.println(" A");
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Serial.println("");
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delay(1000);
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}
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