Circuit Diagram of Optocoupler
The output coming from this optocoupler will not activate the relay directly. Now in this Project we are learning to make a Project of an Optocoupler Relay Driver Circuit.
Optocoupler Circuit Is An Electronic Device Designed To Transfer Electrical Signals By Light Across Electronics Circuit Devices Design Electronics Projects
Solid State Relay Optocoupler Relay.
. The optocoupler at input requires current limiting one resistance but at the output we will need to connect the logic output pin with the power pin. Circuit Diagram of PC817 IC Optocoupler. The circuit diagram of the PC817 IC Optocoupler is shown below.
Whenever the IR signal will be generated at. Optocouplers are the components that are transmiting electrical Electric. Opto-coupler is also called.
Once the switch is engaged the 10K resistor and the 9V battery work together to direct electricity toward the LED. In this way an incoming signal from the input circuit is coupled to the output circuit. The chip is a dual in-line device with 6 outer leads and the input end light emitter is composed of light emitting diodes.
1 pin is Anode. Solid State Relay is a type of switch to activate Load by using without any Mechanical parts. In this circuit an IC like PC817 is an essential component that is used to switch the DC circuit.
Here both circuit is electrically isolated from each other. In other words an optocoupler is used to transfer electrical signals between two circuits optically. In this there is only semiconductor devices used no.
4N25 internal circuit structure. Thats why we have used a 2N3904 NPN transistor at the output of this optocoupler. The various types of the optocoupler are shown in the diagram given below.
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