publish libraries to avoid users to have to download them one by one

lib/Arduino-INA226/INA226_alert/INA226_alert.ino

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