#include <Wire.h>
#include <Adafruit_INA260.h>

// Create the INA260 object
Adafruit_INA260 ina260 = Adafruit_INA260();

void setup() {
  // Set the serial speed
  Serial.begin(115200);

  // Wait for the serial port to connect
  while (!Serial) {
      delay(1);
  }

  // Initialize the INA260
  if (!ina260.begin()) {
    Serial.println("Failed to find INA260 chip. Check your wiring!");
    while (1) { delay(10); }
  }
}

void loop() {
  float busVoltage_V = 0;
  float current_mA = 0;
  float current_A = 0;

  // The INA260 reads voltage in MILLIVOLTS (mV).
  // We divide by 1000 to convert it to Volts (V) to match your format.
  busVoltage_V = ina260.readBusVoltage() / 1000.0;

  // The INA260 reads current in milliamps (mA).
  current_mA = ina260.readCurrent();

  // Force the current to always be positive, then convert to Amps (A)
  current_A = abs(current_mA) / 1000.0;

  // Output to serial in the exact format requested with 3 decimal places
  Serial.print("Voltage:");
  Serial.println(busVoltage_V, 3);

  Serial.print("Current:");
  Serial.println(current_A, 3);

  delay(100);
}

#include <Wire.h>
#include <INA226_WE.h>

// The default I2C address for most INA226 modules is 0x40
#define I2C_ADDRESS 0x40

// Create the INA226 object - you need to install library INA226_WE by Wolfgang Ewald
INA226_WE ina226 = INA226_WE(I2C_ADDRESS);

void setup() {
  // Set the serial speed
  Serial.begin(115200);
  
  // Wait for the serial port to connect
  while (!Serial) {
      delay(1);
  }

  // Initialize the I2C bus
  Wire.begin();

  // Initialize the INA226
  if (!ina226.init()) {
    Serial.println("Failed to find INA226 chip. Check your wiring!");
    while (1) { delay(10); }
  }
  
  // Note: The INA226_WE library defaults to a 0.1 Ohm shunt resistor and a 3.6A range.
  // This matches 99% of the generic INA226 breakout boards on the market.
}

void loop() {
  float busVoltage_V = 0;
  float current_mA = 0;
  float current_A = 0;

  // Read the bus voltage in Volts (V)
  busVoltage_V = ina226.getBusVoltage_V();
  
  // Read the current in milliamps (mA)
  current_mA = ina226.getCurrent_mA();
  
  // Force the current to always be positive, then convert to Amps (A)
  current_A = abs(current_mA) / 1000.0;

  // Output to serial in the exact format requested with 3 decimal places
  Serial.print("Voltage:");
  Serial.println(busVoltage_V, 3);
  
  Serial.print("Current:");
  Serial.println(current_A, 3);

  delay(100); 
}