5V4相 5线步进电机 28YBJ48 全新步进电机 减速电机 可配树莓派

步进电机

直径：28mm

电压：5V

步进角度：5.625 x (咨询特价)

减速比：(咨询特价)

5线

4相八拍

5V 减速步进电机

直径：28mm

频率：100Hz

直流电阻：50欧(+7%)

转矩：300 (gf.cm)

带线、带插头、插头为2.54mm

使用方便，噪音极低，运转平稳

5线4相 可以用普通uln2003芯片驱动，也可以接成2相使用 可以配套开发板使用，直接插接，方便使用 步进电机在开发板上使用

材料：
1.树莓派
2.步进电机驱动板 
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3.步进电机28BYJ-48-5V 
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使用GPIO0-GPIO3口

比较简单，请看附件中的up.py down.py left.py right.py
注意修改里面的GPIO端口号

01.#-----------------------------------

02.# Name: Stepper Motor

03.#

04.# Author: matt.hawkins

05.#

06.# Created: 11/07/(咨询特价)

07.# Copyright: (c) matt.hawkins (咨询特价)

08.#-----------------------------------

09.#!/usr/bin/env python

10.

11.# Import required libraries

12.import time

13.import RPi.GPIO as GPIO

14.

15.# Use BCM GPIO references

16.# instead of physical pin numbers

17.GPIO.setmode(GPIO.BCM)

18.

19.# Define GPIO signals to use

20.# GPIO24,GPIO25,GPIO8,GPIO7

21.StepPins = [17,18,21,22]

22.

23.# Set all pins as output

24.for pin in StepPins:

25.  print "Setup pins"

26.  GPIO.setup(pin,GPIO.OUT)

27.  GPIO.output(pin, False)

28.

29.# Define some settings

30.StepCounter = 0

31.WaitTime = 0

32.

33.# Define simple sequence

34.StepCount1 = 4

35.Seq1 = []

36.Seq1 = range(0, StepCount1)

37.Seq1[0] = [1,0,0,0]

38.Seq1[1] = [0,1,0,0]

39.Seq1[2] = [0,0,1,0]

40.Seq1[3] = [0,0,0,1]

41.

42.# Define advanced sequence

43.# as shown in manufacturers datasheet

44.StepCount2 = 8

45.Seq2 = []

46.Seq2 = range(0, StepCount2)

47.Seq2[0] = [1,0,0,0]

48.Seq2[1] = [1,1,0,0]

49.Seq2[2] = [0,1,0,0]

50.Seq2[3] = [0,1,1,0]

51.Seq2[4] = [0,0,1,0]

52.Seq2[5] = [0,0,1,1]

53.Seq2[6] = [0,0,0,1]

54.Seq2[7] = [1,0,0,1]

55.

56.# Choose a sequence to use

57.Seq = Seq1

58.StepCount = StepCount1

59.

60.# Start main loop

61.while 1==1:

62.

63.  for pin in range(0, 4):

64.    xpin = StepPins[pin]

65.    if Seq[StepCounter][pin]!=0:

66.      print " Step %i Enable %i" %(StepCounter,xpin)

67.      GPIO.output(xpin, True)

68.    else:

69.      GPIO.output(xpin, False)

70.

71.  StepCounter += 1

72.

73.  # If we reach the end of the sequence

74.  # start again

75.  if (StepCounter==StepCount):

76.    StepCounter = 0

77.  if (StepCounter<0):

78.    StepCounter = StepCount

79.

80.  # Wait before moving on

81.  time.sleep(WaitTime)

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步进电机；
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