Railwayscenics are still open and trading online. We have had to make some operational changes for our own health and safety which is impacting the service that we offer. Delays in local delivery may occur which are outside of our control so we apologise in advance for any disruption this may cause. For latest information please click here to read about any changes to our normal services as this may affect you.
A potentiometer is a small electronic component whose resistance can be adjusted manually usually by rotating a knob. . Increasing or decreasing the value of resistance controls the amount of current flowing into a circuit. Mainly they are used to control volume or te speed of an electric motor.