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Optically Isolated Analog Input Module for Arduino

60.00

Optically Isolated Analog Input Module for Arduino

7 in stock

  in Stock:  7

 Delivery time Ships within 24 hours

SKU: EL101569 Categories: , Tags: , , ,

Description

This isolated analog input module is useful for interfacing Analog signals of various types originating from analog sensors and field devices. The module is beneficial for in-process controls, factory automation, industrial applications, etc. Interfacing an analog voltage, an analog sensor to Arduino or other various microcontrollers with optical isolation is very easy with this module. The circuit requires two power supplies for the input and output sides. The module takes 0 to 5V analog input and provides optically isolated 0-3.3V as output. The circuit can also be interfaced with a 10V sensor, for 0 to 10V input, change the resistor R3 to 1.8K and the output will be the same 0 to 3.3V. The operating power supply input side and output side is 5V DC. Hook up the sensor or analog voltage to the input of this module and connect the output to the Analog Pin of Arduino or ADC of any microcontroller. The circuit is based on an optically isolated linear optocoupler. The isolation voltage between input and output is 3750V. IC1 LM358 is used as a closed-loop servomechanism to sense the photodiode current and drive the LED of the optocoupler. IC2 is a linear optocoupler and IC3 LM358 is a signal conditioner for the phototransistor. D1 is the power LED for the input side supply.

Features

  • The operating power supply for the input side and output side is 5V DC
  • Current consumption 10mA
  • Analog Signal Input Range 0 to 5V
  • For Analog Sensor 0 to 10V, Change R3 to 1.8K Ohms
  • Output 0 to 3.3V/ 10mA
  • PCB dimensions: 45.56 x 13.97 mm

more information: https://www.electronics-lab.com/project/optically-isolated-analog-input-module-for-arduino/

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