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15 optocoupler projects

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Measure motor speed (RPM) with Optocoupler and Encoder disk

Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!

Measure motor speed (RPM) with Optocoupler and Encoder disk

Boian Mitov
65K
Nixie tube with Arduino || Simplest design with Opto

This project will show how to display NIXIE tube by Arduino and Optocoupler chip only

Nixie tube with Arduino || Simplest design with Opto

engineer2you
5.4K
Optically Isolated 8 Digital Input Arduino Shield

Build your own Optically Isolated 8 Digital input Arduino shield, capable of accepting inputs between 3.0v and 32.0v DC

Optically Isolated 8 Digital Input Arduino Shield

Maker and IoT Ideas
4.9K
Arduino: Using Photo Interrupter (Slotted Optocoupler)

Connect and use Photo Interrupter (Slotted Optocoupler) in your Arduino projects - quick and easy.

Arduino: Using Photo Interrupter (Slotted Optocoupler)

Boian Mitov
13K
LED Flasher Circuit Using the PC817 with UTSource

A quick, simple circuit only using a few basic components to flash an LED with the frequency having the capability to be changed.

LED Flasher Circuit Using the PC817 with UTSource

Electorials Electronics
9.9K
Wireless Doorbell Using Your Former One

Transduce the 12 VAC to a digital switch attached to your favorite HW platform.

Wireless Doorbell Using Your Former One

gomecin
2.6K
For a few simulations more Part 5 - NTC and optocoupler

An LTspice simulation of a temperature control thermostat with NTC thermistor and optocoupler

For a few simulations more Part 5 - NTC and optocoupler

alainstas
1.4K
CNC Indymill electrics build

Indymill CNC Controls in PC case, Spindle control and limit switches

CNC Indymill electrics build

Peter M
1.1K
Touchless switch

A simple, reliable and energy efficient module to facilitate touchless operation.

Touchless switch

Bappaditya Shome
716

How to make an otto diy dancing robot without 3D printer.

Make an Otto Diy dancing robot without 3d printer

Smart Creativity
666
LTspice simulation ON/OFF temp. control via VOT8125 and NTC

A simulation is shown in LTspice of a ON/OFF temperature regulator with an optotriac and an NTC thermistor from Vishay

LTspice simulation ON/OFF temp. control via VOT8125 and NTC

alainstas
541
Spice simulation of 4001 controlled NTC thermostat

LTspice simulation of a variation of a thermosat circuit with Vishay NTC thermistor, 4001 logic circuit and opto triac

Spice simulation of 4001 controlled NTC thermostat

alainstas
530
For a few simulations more: Part 6 return on optocouplers

Another thermostat based on the 6N136 optocoupler and a thermistor from Vishay

For a few simulations more: Part 6 return on optocouplers

alainstas
356
1-Dollar Opto-Coupled Logic Level-Shifter

Non-Inverting Logic-Level-Shifting Heavy Load Control Unit. 3.3V to 12V, using 2 LEDs for opto-coupling. (For updates scroll to the end)

1-Dollar Opto-Coupled Logic Level-Shifter

Mr.Dee67
319
All About PC817 Optocoupler

In this tutorial, I am going to talk about the PC817 Optocoupler which is one of the most common and inexpensive 4-pin optocouplers.

All About PC817 Optocoupler

Tarantula3
293
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