We have controlled a lot of light now. It's time that we control our fans and other air circulation systems. Whenever we talk about fans or any other air circulation devices, then essentially we are talking about motors. As we have learned earlier, motors are simple devices, which can be controlled every easily using a motor driver. But as you know, back then we were controlling DC motors. DC motors are extremely simple devices. But when we talk about our household appliances, then most of these devices will be working on AC or alternating current. I am assuming that you must be aware of what that is and how it is different from DC.
Now that you know that the motors used in our households are working on AC, you must ...
