How to make relay module

How to make relay module
How to make relay driver circuit
How to make 4 channel 5 volt Relay Module By Manmohan Pal


In this video i will show you how to make  a 4 channel 5 volt relay module by using minimum electronic components i would make a low const relay module which will be efficent as ready made relay modules available in market and it will cost nearly Rs 60/-.

List of Items:

1. 5 Volt Relay
2.NPN Transistor BC 547
3. LED (any colour)
4. Diode IN4007
5. resisotor 100 Ohm






Circuit Diagram and Blog

Manmohan Pal
Mob. 8989811397
Email- mannmohanpal@gmail.com

Blog: http://electronics4ubymanmohanpal.blogspot.in/p/blog-page_5.html
Youtube Channel: https://www.youtube.com/channel/UCDnhARnHOEIPuNIEp5vPdGQ


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