def getMeasurment():
GPIO.output(TIRG,0)
time.sleep(0.1)
print ("Starting Measurment...")
GPIO.output(TRIG,1)
time.sleep(0.00001)
GPIO.output(TRIG,0)
while GPIO.imput(ECHO) == 0:
pass
start = time.time()
while GPIO.imput(ECHO) == 1:
pass
stop = time.time()
distance = (stop - start) * 17000
print (distance)
ROW = [7,11,13,15]
COL = [12,16,18,22]
for j in range(4):
GPIO.setup(COL[j],GPIO.OUT)
GPIO.output(COL[J],1)
for i in range (4):
GPIO.setup(ROW (i),GPIO.IN, pull_up_down =GPIO.PUD_UP)
try:
while(True):
for j in range(4):
GPIO.output(COL[j],0)
for i in range (4):
if GPIO.imput(ROW[i]) == 0:
print MATRIX[i][j]
while(GPIO.input(ROW[i] ==0)):
pass
GPIO.output(COL[j],1)
except:KeyboardInterrupt:
GPIO.cleanup()
#Turn on/off the LED
sudo python #Installing GPIO in Python
import RPi.GPIO as GPIO #import RPI module
GPIO.setmode(GPIO.BCM)#import the pin numbering of the GPIO
GPIO.setup(25, GPIO.OUT) #set the direction of pin 25 to output
GPIO.setup(25, GPIO.HIGH) #turn on the LED
GPIO.setup(25, GPIO.LOW) #turn off the LED
exit()#exit the python interactive interpreter
#Blinking an LED
import RPi.GPIO as RPIO #import the code needed for GPIO control
import time # import the code needed for the sleep function
GPIO.setmode(GPIO.BCM) #use the chip's signal numbers
GPIO.setup(25, GPIO.OUT) #set pin 25 as an output
while True: #create an infinite loop sonsisting of the indented code below it
GPIO.output(25, GPIO.HIGH)#Turn the LED on
time.sleep(1)#wait for one second
GPIO.output(25,GPIO.LOW) #turn the LED off
time.sleep(1) #wait for one second
#open LXTerminal
cd~
sudo python blink.py # import the code needed for LED blinking
#control the input pin of GPIO
GPIO.setup(4, GPIO.IN)# set the direction of pin 4 to input
while True # start a loop that cant end
GPIO.imput(4, GPIO. HIGH) # if the input 4 is 1
time.sleep(2)#wait for 2 second
else
#echo out email if input pin is 0
