Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!
This project will show how to display NIXIE tube by Arduino and Optocoupler chip only
Build your own Optically Isolated 8 Digital input Arduino shield, capable of accepting inputs between 3.0v and 32.0v DC
Connect and use Photo Interrupter (Slotted Optocoupler) in your Arduino projects - quick and easy.
A quick, simple circuit only using a few basic components to flash an LED with the frequency having the capability to be changed.
Transduce the 12 VAC to a digital switch attached to your favorite HW platform.
An LTspice simulation of a temperature control thermostat with NTC thermistor and optocoupler
Indymill CNC Controls in PC case, Spindle control and limit switches
A simple, reliable and energy efficient module to facilitate touchless operation.
How to make an otto diy dancing robot without 3D printer.
A simulation is shown in LTspice of a ON/OFF temperature regulator with an optotriac and an NTC thermistor from Vishay
LTspice simulation of a variation of a thermosat circuit with Vishay NTC thermistor, 4001 logic circuit and opto triac
Another thermostat based on the 6N136 optocoupler and a thermistor from Vishay