Ok, with the relays I can control the polarity, turn on and turn off. But how do I control the power that is sent to the relays?
That is, to make it less or more powerful, do you know a simple Arduino module to do that?
Ok, with the relays I can control the polarity, turn on and turn off. But how do I control the power that is sent to the relays?
That is, to make it less or more powerful, do you know a simple Arduino module to do that?