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INA169 Current Sensor Module

0104110000016379

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INA169 current sensor is an ideal way to measure current in various projects, easily used with Arduino boards.


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Overview

This module can solve the problems of monitoring the current. Instead of using multi-meters, INA169 can be used for both image and output DC current measurement analog offered. Analog output makes this module ideal for monitoring current.

Resistance measurement can operate at 2 W DC, so it can measure up to +5 A. The output is a current passing through a 10 k resistor, so the output voltage is 1 V on Amp. It can change the resistance value by cutting resistance through-hole resistors. If you add a resistance of 20 K, you will get 2 V per Amp and a resistance of 5 K will get 0.5 V per Amp.

A 5-pin module can be attached to your project with ease. It also has a 3.5 mm terminals for connecting/disconnecting.

This module is very easy to use, it is only necessary to connect a power supply between 2.7 V to 60 V, connect V + to V- from the positive supply and ground. Then measure the output using a multimeter.


Specifications

  • Resistance: 0.1 ohm 1% 2 W
  • Supply Voltage: 2.7 V to 60 V


Arduino code example

/*
Hardware connections:

Uno Pin INA169 Board Function

+5V VCC Power supply
GND GND Ground
A0 VOUT Analog voltage measurement

VIN+ and VIN- need to be connected inline with the positive
DC power rail of a load (e.g. an Arduino, an LED, etc.).

*/

// Constants
const int SENSOR_PIN = A0; // Input pin for measuring Vout
const int RS = 10; // Shunt resistor value (in ohms)
const int VOLTAGE_REF = 5; // Reference voltage for analog read

// Global Variables
float sensorValue; // Variable to store value from analog read
float current; // Calculated current value

void setup() {

// Initialize serial monitor
Serial.begin(9600);

}

void loop() {

// Read a value from the INA169 board
sensorValue = analogRead(SENSOR_PIN);

// Remap the ADC value into a voltage number (5V reference)
sensorValue = (sensorValue * VOLTAGE_REF) / 1023;

// Follow the equation given by the INA169 datasheet to
// determine the current flowing through RS. Assume RL = 10k
// Is = (Vout x 1k) / (RS x RL)
current = sensorValue / (10 * RS);

// Output value (in amps) to the serial monitor to 3 decimal
// places
Serial.print(current, 3);
Serial.println(" A");

// Delay program for a few milliseconds
delay(500);

}

INA169 Current Sensor Module


For more details check the attached datasheet.


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INA169 Current Sensor Module

INA169 Current Sensor Module

INA169 current sensor is an ideal way to measure current in various projects, easily used with Arduino boards.


See description for more details about the product.

Add to cart now!

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