SAYAL Electronics
SAYAL Electronics
SAYAL Electronics
STEPPER MOTOR BIPOLAR DRIVER KIT
Part Number
K158
Manufacturer
Stock Number
2065-MA1
SKU Number
231656
Stock Number: 2065-MA1    $39.95
$39.95
ea. CAD
This kit will drive a bi-polar stepper motor driver using externally supplied 5V levels for steping and direction.These usually come from software running in a computer.

Construction:- Follow the overlay on the PCB. Add the lowest height components first, e.g. the resistors and diodes.

Note: There are seven links to add to the board. For the six short links use off-cuts from the resistor legs. For the longer link we have provided a 1 of tinned copper wire. There are 4 pins you can place in the DIR and STEP positions if you wish to use the pins.

We have assumed that the operation of stepper motors is known to you!

For Operation:
Attach a bi-polar stepper motor to the TO MOTOR terminals. Power to the Kit can be the same or different depending on the stepper motor being driven. The Direction and STEP inputs are opto-isolated by the 4N25 ICs.

For Direction:
This is controlled by a 0V or 5V applied between the pins. STEP. A 5V to 0V transition between the pins will step the motor one position. The step direction will be according to the voltage applied to the Direction pins. We used the de-bounced Counter Module of our Kit. The uni-polar stepper motor is connected as a bipolar motor (the 2 center wires of the 6 wire motor are unused 9V was used.

The STEP and Direction negative input pins were tied together and connected to system ground All the power inputs were connected together. The CLOCK was connected to STEP, and the RESET was connected to Direction.

Pushing the CLOCK button then advanced the motor one notch. Pressing CLOCK with the RESET button also depressed and pressed down advanced the motor one notch the other way. Software does the same thing but using a PC.

COMPONENTS:
  • Resistors 5%, 1/4W, carbon
  • 150R brown green brown R9 R10 R15 R16
  • 1K brown black red R1 R2
  • 2K2 red red red R7 R8 R13 R14
  • 10K brown black orange R3 R4
  • 12K brown red orange R5 R6 R11 R12
  • 100uF/35V ecap C1 
  • 10uF mini ecap C2
  • 100uF/63V ecap C4
  • 1N4148 diode D1-D8
  • 104 mono C3
  • 4013 IC IC1
  • 4030 IC IC2
  • 4N25 IC IC3 IC4
  • 7805 IC IC5
  • BC547B transistors Q1 Q2 Q3 Q4
  • IRFZ44 Q1B Q2B Q3B Q4B
  • MTP2955 Q1A Q2A Q3A Q4A
  • 6 pin IC socket
  • 14 pin IC socket
  • 2 pole terminal block
  • tinned copper wire 1 1/2 inch
  • K158 PCB
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