Microcontroller Based DC Motor Speed Controller Using PID Control This unit Consist of DC motor, Speed Sensor, Power driver, A/D Interface card, MC kit etc to control the Speed of DC Motor. 12V DC motor fixed on the metal plateOptical type sensor to sense the speed of the motor.MOSFET Based power driver to drive the motor supply.Inbuilt ADC and DAC Board.Inbuilt Regulated Power Supply.Interfacing CableDigital Display to indicate the motor speed.Multicolor test points for each stage.All components are mounted in a attractive powder coated cabinet89C51 Micro Controller.2 Line 16 Characters LCD Display, 101 Key IBM PC keyboard.32K ROM and 32K RAM.Built-in Line by Line Assembler.Serial PC interface, Software to download program from PC.Power Supply, User Manual and Serial Cable.