
PC817 Optocoupler pinout, working and Example with Arduino
In this pinout diagram of PC817, pin1 and pin2 are parts of the input side and pin3 – pin4 are output pins. Pin 1 is an anode pin of IR input within the Optocoupler. It will give the logical …
Isolating Circuits From Your Arduino With Optocouplers
In this instructable I will show you how to isolate and control the speed of a 12v PC fan with your ARDUINO board, This circuit could be used to control many things with minor modifications to …
Designing optocoupler circuit for arduino input
Feb 8, 2013 · I'm designing an optocoupler circuit whose output will be give to one of the arduino input pins. I need to know for what IC current of the optocoupler I need to design the circuit. …
PC817 Optocoupler Datasheet, Pinout, Circuits, Arduino Examples
Jan 20, 2022 · As an optocoupler, the PC817 IC is advantageous for reducing noise between the input signal and electrical appliances/circuits, typical applications include: I/O Isolation for …
Optocoupler for 3-30v input - General Electronics - Arduino Forum
May 16, 2020 · Can anyone recommend an opto coupler I could use to take a 3-30v input signal? Ahh, Gotta love optos ... here's some to choose from that should do the job. Let's choose the …
Interfacing PC817 4-Channel Optocoupler Module with Arduino …
May 11, 2024 · Learn How to interface a PC817 4-Channel Optocoupler Module with Arduino. using PC817 Module example code, circuit, pinout library
How to Use PC817: Pinouts, Specs, and Examples | Cirkit Designer
Learn how to use the PC817 with detailed documentation, including pinouts, usage guides, and example projects. Perfect for students, hobbyists, and developers integrating the PC817 into …
Arduino Tutorial: HY-M154 / 817 / PC817 Optocoupler Module
Apr 30, 2021 · For example, the module is useful, if you have a 9V input signal that you want to read with a 5V- (Arduino Uno,…) or 3.3V-compatible device (ESP32, Raspberry Pi GPIO). The …
PC817: Optocoupler (Optoisolator) Explained – Tricky Circuit
PC817 is an optocoupler that provides electrical isolation between circuits. Used for switching high-power devices, protecting microcontrollers, and noise reduction. Works with Arduino, …
Optocoupler Tutorial for Beginners - build-electronic-circuits.com
Nov 18, 2024 · In the example below, an Arduino Uno controls a DC motor via an optocoupler. From the Arduino’s point of view, it is only controlling a simple LED. But the LED inside the …