Exemple #1
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def main():
    ldr_pin = int(os.environ.get('LDR_PIN', '17'))
    sensor = LightSensor(ldr_pin, charge_time_limit=0.005, threshold=0.1)
    time.sleep(3)  # wait a bit for setup (initial capacitor charge)

    while True:
        sensor.wait_for_dark()
        alert()

        # Wait 5 seconds so as to not send a burst of alerts
        time.sleep(5)
Exemple #2
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    def __iRDectector__(self):
        change_time = 0.0

        read_value = False

        print("setting up  pins")

        ir_light = LED(self.light)

        start_timer = time.perf_counter()
        '''
        This  that the time should be below 90.0 second or until the value does read as true  it must be reaching the value 
        '''
        while (time.perf_counter() - start_timer) <= 90.0 or (read_value is
                                                              True):
            finish_timer = time.perf_counter()
            print("Running with senors")
            #this is me setting up the ligth reflection with a certain threshold
            i_r_detection = LightSensor(self.reflection, threshold=.99)
            # this turn the light on for test reason
            ir_light.on()
            #this is a call to wait for light
            # this should allow for a better print out
            # it threshold is less then the intital call then it wouldn't detect
            if i_r_detection.wait_for_dark():
                change_time = finish_timer - start_timer
                read_value = False
            #if the threshold is greater then the value it will return with a value of the changes
            elif i_r_dectection.wait_for_light(.001):
                change_time = finish_timer - start_timer
                read_value = True
        return abs(change_time)
Exemple #3
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#!/usr/bin/env python3

from gpiozero import LightSensor

ldr = LightSensor(18)

while True:
    ldr.wait_for_light()
    print(" light is on")
    ldr.wait_for_dark()
    print("light is off")
Exemple #4
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from gpiozero import LightSensor, LED
from time import sleep

light = LightSensor(4, charge_time_limit=0.001)
buzzer = LED(26)

buzzer.off()
sleep(1)

light.wait_for_dark()
buzzer.on()
# Displays It's Light or Dark

from gpiozero import LightSensor

sensor = LightSensor(18)

while True:
    sensor.wait_for_light()
    print("It's light...")
    sensor.wait_for_dark()
    print("It's dark...")

Exemple #6
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from gpiozero import LightSensor
sensor = LightSensor(23)

while True:
    sensor.wait_for_light()
    print("1")
    sensor.wait_for_dark()
    print("0")
    
from gpiozero import LightSensor

# 100nF Capacitor and 1M Ohm CdS Cell
ldr1 = LightSensor(11, queue_len=10, charge_time_limit=0.001, threshold=0.2)

while True:
    ldr1.wait_for_light()
    print("It's light! :)")
    ldr1.wait_for_dark()
    print("It's dark... :(")
    if currentForecast == 'Clear':
        print("The weather is clear!")
        #omxp = Popen(['omxplayer',movie4])
    if currentForecast == 'Rain':
        print("The weather is rain!")
        #omxp = Popen(['omxplayer',movie3])
    if currentForecast == 'Clouds':
        print("The weather is clouds!")
        #omxp = Popen(['omxplayer',movie2])
    if currentForecast == 'Snow':
        print("The weather is snow!")
        #omxp = Popen(['omxplayer',movie1])

    return


while True:
    if lightSensor1.wait_for_dark(2):
        print("Sensor 1 is touched")
        currentForecast = weatherNow['weather'][0]['main']
        playVideo(currentForecast)

    if lightSensor2.wait_for_dark(2):
        print("Sensor 2 is touched")
        currentForecast = weatherinNextThreeHours['weather'][0]['main']
        playVideo(currentForecast)

    #Sensor 1 and 2 are dark (Use Case: Both are touched)
    if (lightSensor1.light_detected and lightSensor2.light_detected):
        print("Black screen to be displayed")
Exemple #9
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#!/usr/bin/python

from gpiozero import LightSensor
from time import sleep

sensor = LightSensor(27,queue_len = 2)

strikes = 0
balls = 0
print("New batter")

try:
    while balls < 4 and strikes < 3:
        print("Pitch now. You have 5 seconds to pitch...")
        if sensor.wait_for_dark(5):
            strikes = strikes + 1
            print("Strike!")
        else:
            balls = balls + 1
            print("Ball :-(")

        print("Balls = %u; Strikes = %u" % (balls,strikes))
        sensor.wait_for_light()
        sleep(5)

    if balls == 4:
        print("Walk to first")
    else:
        print("Your out!!!")
except KeyboardInterrupt:
    print("Exiting early,,,")
    playVideo ("Nothing")
        
##lightSensor1.when_dark=inputChng()
##lightSensor1.when_light=inputChng()
##lightSensor2.when_dark=inputChng()
##lightSensor2.when_light=inputChng()


while True:
    print(lightSensor1.value)
    print(lightSensor2.value)
    print(lightSensor3.value)
    print(lightSensor4.value)
    print(lightSensor5.value)
        
    if lightSensor1.wait_for_dark(1) and sensortouched != 1:
        if (globalvar==1):
            print ('quiting when sensor1 touched, I am killing' , omxp.pid)
            #omxp.stdin.write(´q´)
            os.system('killall omxplayer.bin')
            globalvar =0     
        print ("Sensor 1 is touched")
        sensortouched = 1
        CurrentresponseWeather = urllib.request.urlopen('http://api.openweathermap.org/data/2.5/weather?id=2673730&APPID=bfb8163bad72d71e9da0c72974a73828').read()
        print( CurrentresponseWeather)
        CurrentjsonResponse = json.loads(CurrentresponseWeather.decode('utf-8'))
        currentForecast = CurrentjsonResponse['weather'][0]['main']
        print(currentForecast)
        playVideo (currentForecast)
  
Exemple #11
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from gpiozero import LightSensor

ldr = LightSensor(23)
i = 0
while True:
    #ldr.wait_for_light()
    #i+=1
    #print("Light detected! ",i)
    if (ldr.wait_for_light()):
        i += 1
        print("Light detected! ", i)
    if (ldr.wait_for_dark()):
        i += 1
        print("No light detected", i)