RishabhG
Member level 3
Hi
I want to detect whether an electric bulb is on/off using a microcontroller. How can it be done? I know we can turn it on/off using relays but how to determine whether it is already on/off when it is also connected through the mains supply connection.
Thank You
I want to detect whether an electric bulb is on/off using a microcontroller. How can it be done? I know we can turn it on/off using relays but how to determine whether it is already on/off when it is also connected through the mains supply connection.
Thank You