//INA226库: https://github.com/RobTillaart/INA226
#include "INA226.h"
#include "Wire.h"
INA226 INA(0x40); //I2C地址
//INA226 INA(0x44);
//电压电流采样
void VA(){
float V = INA.getBusVoltage(); //VBUS电压V
float mA = INA.getCurrent_mA(); //采样电阻电流mA
float mW = INA.getPower_mW(); //功率
float mV = INA.getShuntVoltage_mV(); //采样电阻分压
Serial.print( V); Serial.print(" V \t");
Serial.print(mA); Serial.print(" mA \t");
Serial.print(mW); Serial.print(" mW \t");
Serial.print(mV); Serial.print(" mV \t");
Serial.println();
}
//电压电流采样2
void VA2(){
float V = INA.getBusVoltage(); //VBUS电压V
float mV = INA.getShuntVoltage_mV(); //采样电阻分压
float A = mV/5; //采样电阻分压/采样电阻值 = 电流
Serial.print( V); Serial.print(" V \t");
Serial.print(mV); Serial.print(" mV \t");
Serial.print( A, 4); Serial.print(" A \t");
Serial.println();
}
void setup(){
Serial.begin(115200);
Wire.begin();
INA.setMaxCurrentShunt(8, 0.01); //最大电流A,分流电阻值R
}
void loop(){
VA2();
delay(1000);
}
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