Created
November 16, 2019 14:14
-
-
Save maxistar/e461288a361cb1e4d74528fabe73bb2f to your computer and use it in GitHub Desktop.
ESP-32 and INA219
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <Wire.h> | |
#include <Adafruit_INA219.h> // You will need to download this library | |
Adafruit_INA219 sensor219; // Declare and instance of INA219 | |
void setup(void) | |
{ | |
Wire.begin(13, 15); //define which pins used for i2c | |
Serial.begin(9600); | |
sensor219.begin(); | |
} | |
void loop(void) | |
{ | |
float busVoltage = 0; | |
float current = 0; // Measure in milli amps | |
float power = 0; | |
busVoltage = sensor219.getBusVoltage_V(); | |
current = sensor219.getCurrent_mA(); | |
power = busVoltage * (current/1000); // Calculate the Power | |
Serial.print("Bus Voltage: "); | |
Serial.print(busVoltage); | |
Serial.println(" V"); | |
Serial.print("Current: "); | |
Serial.print(current); | |
Serial.println(" mA"); | |
Serial.print("Power: "); | |
Serial.print(power); | |
Serial.println(" W"); | |
Serial.println(""); | |
delay(2000); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment