Description
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:
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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.
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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 )
