This is a circuit for controlling the speed of small DC motors, The main of circuit we used IC 555 to produce an ASTABLE circuit it will continually pulse until power is removed.
Astable circuits can be used to flash lights/LEDs on and off or to turn a buzzer on and off repeatedly.
Figure1 Schematic of DC Motor Control
Figure 2 Completed Circuit of DC Motor Control
To Adjust the speed control for the desired motor speed by VR1.
DC Motor Control 
