Quanto você precisa esperar que você vai pagar por um bem pwm dc motor speed controller circuit using pic16f877a microcontroller
SHOPEE COMPRAR AGORAIf these motors were part of a fully assembled vehicle, the effect of this sketch would be that the vehicle would be capable of avoiding hitting an object by slowing down on approach, until it came to a full stop.Connect the positive wire of the 9V battery clip to the drain pin of the mosfet and the negative wire to the dc motor