Introduction In this Tutorial, we are going to make a “Linear Opto isolator circuit”. An opt isolator, also known as an optocoupler, photocoupler, or optical isolator, is an electronic component that uses light to transfer … Read more
optocoupler
An optocoupler is a simple electronic component that is used to connect separate circuits together by the means of a light-sensitive optical interface. An optocoupler or optoisolator consists of a light emitter, the IR LED, … Read more
PC817 Optocoupler Tester Circuit
In this tutorial, we are making a very simple and useful project of a Telephone ring detector circuit. The purpose of this circuit is to activate a loud buzzer when the phone rings or it … Read more
Telephone Ring Detector using PC817 Optocoupler
In this tutorial, we are making a very useful and interesting project of an Object counter. This circuit is simple and uses an LDR, a laser light, a PC817 photocoupler, an 8-digit inexpensive calculator, and … Read more
Object Counter with PC817 Opto-coupler
What is an Optocoupler Tester? An optocoupler is a simple electronic component that is used to connect separate circuits together by the means of a light sensitive optical interface. An optocoupler or optoisolator consists of … Read more
How To Make an Optocoupler Tester Circuit At Home
In this tutorial, we are going to make a circuit of the Optocoupler Relay Driver. Optocouplers are electronic components that are used to transfer electrical signals between two isolated circuits by using light.They prevent high … Read more
Optocoupler Relay Driver with PC817 & 2N3904
In this tutorial, we are going to demonstrate an easy and interesting DIY project that is a sound-activated switch. This circuit can activate a relay switch for a couple of minutes when any sound is … Read more