Stepper Motor Forward And Reverse Testing circuit.
Using NE555,CD4017 and ULN2003 to build a stepper motor testing circuit with forward and reverse.
NE555 - astable circuit with adjustable frequency.
CD4017 - Decade Counter/Divider with 10 Decoded Outputs, using it to strobe the ULN2003, adding 8 1N4148 to control the stepper motor to forward and reverse.
ULN2003 - seven darlington transistor arrays, using it to drive the stepper motor.
When you stop to do the test and then you should turn off the power from stepper motor, otherwise it will still draw the current, if the time too long then it could be damages the stepper motor.
Using NE555,CD4017 and ULN2003 to build a stepper motor testing circuit with forward and reverse.
NE555 - astable circuit with adjustable frequency.
CD4017 - Decade Counter/Divider with 10 Decoded Outputs, using it to strobe the ULN2003, adding 8 1N4148 to control the stepper motor to forward and reverse.
ULN2003 - seven darlington transistor arrays, using it to drive the stepper motor.
When you stop to do the test and then you should turn off the power from stepper motor, otherwise it will still draw the current, if the time too long then it could be damages the stepper motor.
