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+/*!
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+ *@file getVoltageCurrentPower.ino
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+ *@brief Get the current, voltage, and power of electronic devices.
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+ *@copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
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+ *@license The MIT license (MIT)
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+ *@author [fengli](li.feng@dfrobot.com)
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+ *@version V1.0
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+ *@date 2022-3-1
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+ *@url https://github.com/DFRobot/DFRobot_INA219
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+*/
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+
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+#include <Wire.h>
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+#include "DFRobot_INA219.h"
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+#include <ESP8266WiFi.h>
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+#include <ArduinoMqttClient.h>
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+#include <ArduinoJson.h>
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+
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+#include "secrets.h"
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+
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+/**
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+ * @fn DFRobot_INA219_IIC
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+ * @brief pWire I2C controller pointer
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+ * @param i2caddr I2C address
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+ * @n INA219_I2C_ADDRESS1 0x40 A0 = 0 A1 = 0
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+ * @n INA219_I2C_ADDRESS2 0x41 A0 = 1 A1 = 0
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+ * @n INA219_I2C_ADDRESS3 0x44 A0 = 0 A1 = 1
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+ * @n INA219_I2C_ADDRESS4 0x45 A0 = 1 A1 = 1
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+ */
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+DFRobot_INA219_IIC ina219(&Wire, INA219_I2C_ADDRESS1);
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+
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+// Revise the following two paramters according to actual reading of the INA219 and the multimeter
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+// for linearly calibration
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+float ina219Reading_mA = 1000;
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+float extMeterReading_mA = 1000;
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+
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+void setup(void)
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+{
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+ Serial.begin(115200);
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+ //Open the serial port
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+ while(!Serial);
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+
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+ Serial.println();
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+ //Initialize the sensor
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+ while(ina219.begin() != true) {
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+ Serial.println("INA219 begin faild");
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+ delay(2000);
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+ }
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+ //Linear calibration
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+ ina219.linearCalibrate(/*The measured current before calibration*/ina219Reading_mA, /*The current measured by other current testers*/extMeterReading_mA);
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+ Serial.println();
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+
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+ pinMode(15, OUTPUT);
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+ digitalWrite(15, LOW);
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+ pinMode(12, OUTPUT);
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+ digitalWrite(12, LOW);
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+ pinMode(14, OUTPUT);
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+ digitalWrite(14, LOW);
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+
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+ WiFi.begin(SECRET_SSID, SECRET_PASS);
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+
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+ Serial.print("Connecting");
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+ while (WiFi.status() != WL_CONNECTED)
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+ {
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+ delay(500);
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+ Serial.print(".");
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+ }
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+ Serial.println();
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+
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+ Serial.print("Connected, IP address: ");
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+ Serial.println(WiFi.localIP());
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+
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+
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+
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+
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+}
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+
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+void loop(void)
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+{
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+ Serial.print("BusVoltage: ");
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+ Serial.print(ina219.getBusVoltage_V(), 2);
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+ Serial.println("V");
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+
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+
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+ delay(10000);
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+
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+}
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