TeknoCrafters ULN2003 Driver Board & 28BYJ-48 Stepper Motor Kit (Blue)
The TeknoCrafters ULN2003 Driver Board & 28BYJ-48 Stepper Motor Kit offers a comprehensive solution for projects requiring precise motor control. This kit is ideal for both beginners and professionals looking to integrate stepper motors into their applications.
Kit Components:
Key Features:
-
Precise Control: The 28BYJ-48 stepper motor rotates its shaft in discrete steps, allowing for accurate positioning without the need for external sensors.
-
Easy Integration: The ULN2003 driver board facilitates straightforward interfacing between the stepper motor and microcontrollers, such as the Arduino UNO.
-
Visual Feedback: Onboard LEDs provide real-time indication of the motor's operational status, aiding in debugging and development.
Example Application Scenario:
In robotics projects within the Phoenix, AZ area, this kit can be utilized to control the movement of a robotic arm. The precise step control of the 28BYJ-48 motor ensures accurate positioning of the arm, essential for tasks such as pick-and-place operations. The ULN2003 driver board simplifies the connection to a microcontroller, enabling efficient control and integration.
Availability:
Tri-Tek Electronics, an authorized distributor located in Mesa, AZ, offers the TeknoCrafters ULN2003 Driver Board & 28BYJ-48 Stepper Motor Kit. Purchasing from Tri-Tek ensures full manufacturer warranty coverage, competitive pricing, and access to factory support.


Example Code:
import
RPi.GPIO as GPIO
import
time
in1
=
17
in2
=
18
in3
=
27
in4
=
22
step_sleep
=
0.002
step_count
=
4096
direction
=
False
step_sequence
=
[[
1
,
0
,
0
,
1
],
[
1
,
0
,
0
,
0
],
[
1
,
1
,
0
,
0
],
[
0
,
1
,
0
,
0
],
[
0
,
1
,
1
,
0
],
[
0
,
0
,
1
,
0
],
[
0
,
0
,
1
,
1
],
[
0
,
0
,
0
,
1
]]
GPIO.setmode( GPIO.BCM )
GPIO.setup( in1, GPIO.OUT )
GPIO.setup( in2, GPIO.OUT )
GPIO.setup( in3, GPIO.OUT )
GPIO.setup( in4, GPIO.OUT )
GPIO.output( in1, GPIO.LOW )
GPIO.output( in2, GPIO.LOW )
GPIO.output( in3, GPIO.LOW )
GPIO.output( in4, GPIO.LOW )
motor_pins
=
[in1,in2,in3,in4]
motor_step_counter
=
0
;
def
cleanup():
GPIO.output( in1, GPIO.LOW )
GPIO.output( in2, GPIO.LOW )
GPIO.output( in3, GPIO.LOW )
GPIO.output( in4, GPIO.LOW )
GPIO.cleanup()
try
:
i
=
0
for
i
in
range
(step_count):
for
pin
in
range
(
0
,
len
(motor_pins)):
GPIO.output( motor_pins[pin], step_sequence[motor_step_counter][pin] )
if
direction
=
=
True
:
motor_step_counter
=
(motor_step_counter
-
1
)
%
8
elif
direction
=
=
False
:
motor_step_counter
=
(motor_step_counter
+
1
)
%
8
else
:
print
(
"uh oh... direction should *always* be either True or False"
)
cleanup()
exit(
1
)
time.sleep( step_sleep )
except
KeyboardInterrupt:
cleanup()
exit(
1
)
cleanup()
exit(
0
)