Created
February 9, 2018 08:11
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Python Script for Interfacing L298N Motor Driver Module with Raspberry Pi.
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import RPi.GPIO as GPIO | |
from time import sleep | |
in1 = 24 | |
in2 = 23 | |
en = 25 | |
temp1=1 | |
GPIO.setmode(GPIO.BCM) | |
GPIO.setup(in1,GPIO.OUT) | |
GPIO.setup(in2,GPIO.OUT) | |
GPIO.setup(en,GPIO.OUT) | |
GPIO.output(in1,GPIO.LOW) | |
GPIO.output(in2,GPIO.LOW) | |
p=GPIO.PWM(en,1000) | |
p.start(25) | |
print("\n") | |
print("The default speed & direction of motor is LOW & Forward.....") | |
print("r-run s-stop f-forward b-backward l-low m-medium h-high e-exit") | |
print("\n") | |
while(1): | |
x=raw_input() | |
if x=='r': | |
print("run") | |
if(temp1==1): | |
GPIO.output(in1,GPIO.HIGH) | |
GPIO.output(in2,GPIO.LOW) | |
print("forward") | |
x='z' | |
else: | |
GPIO.output(in1,GPIO.LOW) | |
GPIO.output(in2,GPIO.HIGH) | |
print("backward") | |
x='z' | |
elif x=='s': | |
print("stop") | |
GPIO.output(in1,GPIO.LOW) | |
GPIO.output(in2,GPIO.LOW) | |
x='z' | |
elif x=='f': | |
print("forward") | |
GPIO.output(in1,GPIO.HIGH) | |
GPIO.output(in2,GPIO.LOW) | |
temp1=1 | |
x='z' | |
elif x=='b': | |
print("backward") | |
GPIO.output(in1,GPIO.LOW) | |
GPIO.output(in2,GPIO.HIGH) | |
temp1=0 | |
x='z' | |
elif x=='l': | |
print("low") | |
p.ChangeDutyCycle(25) | |
x='z' | |
elif x=='m': | |
print("medium") | |
p.ChangeDutyCycle(50) | |
x='z' | |
elif x=='h': | |
print("high") | |
p.ChangeDutyCycle(75) | |
x='z' | |
elif x=='e': | |
GPIO.cleanup() | |
break | |
else: | |
print("<<< wrong data >>>") | |
print("please enter the defined data to continue.....") |
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