IoT plays a major role in home automation. Having a circuit to switch electrical appliances costs a lot. Why not make your own Solid State Relay in ₹ 250?
Give it a try and let us know how it works !!!
1:06: Components needed
4:37: Working of Electromechanical Relay
7:06: Preparing a solid state relay
8:40: Circuit diagram
9:06: Working of an optocoupler
This DIY session was held live on 15th April 2022 by Ashwini Kumar Sinha.