Thanks to @anorlunda and @trurle for the quick reply, and sorry for the lack of information I have provided.
1. The motor is a 12V/55A brush motor, directly connected to a seawater pump.
2. I tried to control a SSR from an Arduino, where i used the water temp NTC sensor as reference. This...
Hi.
I am new here.
I have a question on how to speed control a DC motor running a pump. The pump is a seawater cooling pump cooling a large V8 motor.
Therefore I need to control the RPM, based on the temp of the V8 Motor.
Any ideas?