def readCompoundEye():
global irUpValue, irDownValue, irLeftValue, irRightValue, distance # <4>
ledPin = 25
gpio.mode(ledPin, "out") # <5>
gpio.write(ledPin, gpio.HIGH)
#Wait for sensors to get ready
time.sleep(0.05) # <6>
irUpValue = mcp.readAnalog(0, 0) # <7>
irDownValue = mcp.readAnalog(1, 0)
irLeftValue = mcp.readAnalog(0, 1)
irRightValue = mcp.readAnalog(1, 1)
ambientLight = 0
gpio.write(ledPin, gpio.LOW) # <8>
time.sleep(0.05)
ambientLight = mcp.readAnalog(0, 0) # <8>
irUpValue = irUpValue - ambientLight # <9>
ambientLight = mcp.readAnalog(1, 0) # <10>
irDownValue = irDownValue - ambientLight
ambientLight = mcp.readAnalog(0, 1)
irLeftValue = irLeftValue - ambientLight
ambientLight = mcp.readAnalog(1, 1)
irRightValue = irRightValue - ambientLight
distance = (irUpValue + irDownValue + irLeftValue +
irRightValue) / 4 # <11>
def readCompoundEye(): global irUpValue,irDownValue,irLeftValue,irRightValue,distance # <4> ledPin = 25 gpio.mode(ledPin, "out") # <5> gpio.write(ledPin, gpio.HIGH) #Wait for sensors to get ready time.sleep(0.05) # <6> irUpValue = mcp.readAnalog(0, 0) # <7> irDownValue = mcp.readAnalog(1, 0) irLeftValue = mcp.readAnalog(0, 1) irRightValue = mcp.readAnalog(1, 1) ambientLight = 0 gpio.write(ledPin, gpio.LOW) # <8> time.sleep(0.05) ambientLight = mcp.readAnalog(0, 0) # <8> irUpValue = irUpValue - ambientLight # <9> ambientLight = mcp.readAnalog(1, 0) # <10> irDownValue = irDownValue - ambientLight ambientLight = mcp.readAnalog(0, 1) irLeftValue = irLeftValue - ambientLight ambientLight = mcp.readAnalog(1, 1) irRightValue = irRightValue - ambientLight distance = (irUpValue+irDownValue+irLeftValue+irRightValue)/4 # <11>
def main():
initializeColorSensor()
while True: # <4>
redValue = mcp.readAnalog(0, 0)
greenValue = mcp.readAnalog(0, 1)
blueValue = mcp.readAnalog(1, 0) # <5>
redValue = redValue * 10 / 1.0; # <6>
greenValue = greenValue * 10 / 0.75;
blueValue = blueValue * 10 / 0.55;
print("R: %d, G: %d, B: %d" % (redValue,greenValue,blueValue)) # <7>
time.sleep(0.1) # s
def main():
initializeColorSensor()
while True: # <4>
redValue = mcp.readAnalog(0, 0)
greenValue = mcp.readAnalog(0, 1)
blueValue = mcp.readAnalog(1, 0) # <5>
redValue = redValue * 10 / 1.0
# <6>
greenValue = greenValue * 10 / 0.75
blueValue = blueValue * 10 / 0.55
print("R: %d, G: %d, B: %d" % (redValue, greenValue, blueValue)) # <7>
time.sleep(0.1) # s
def main():
while True:
smokeLevel = mcp.readAnalog(0,0)
print("Current smoke level is %i " % smokeLevel)
if smokeLevel > 120:
print("Smoke detected")
dweepy.dweet_for('sensorgas_viro', {'Estat':'Gas detectat'})
time.sleep(5)
def main():
while True:
rawData = mcp.readAnalog() # <2>
percent = rawData / 1023.0 # <3>
volts = percent * 3.3 # <4>
temperature = 100.0 * volts # <5>
print("Current temperature is %.1f C " % temperature)
time.sleep(0.5)
def main():
while True:
rawData = mcp.readAnalog() # <2>
percent = rawData / 1023.0 # <3>
volts = percent * 3.3 # <4>
temperature = 100.0 * volts # <5>
print("Current temperature is %.1f C " % temperature)
time.sleep(0.5)
def main():
while True:
smokeLevel = mcp.readAnalog()
print("Current smoke level is %i " % smokeLevel)
if smokeLevel > 120:
print("Smoke detected")
sendEmail("Smoke","Smoke level was %i" % smokeLevel) # <17>
time.sleep(gracePeriod) # <18>
time.sleep(0.5) # s # <19>
def main():
while True:
smokeLevel = mcp.readAnalog()
print("Current smoke level is %i " % smokeLevel)
if smokeLevel > 120:
print("Smoke detected")
sendEmail("Smoke", "Smoke level was %i" % smokeLevel) # <17>
time.sleep(gracePeriod) # <18>
time.sleep(0.5) # s # <19>
def startDev(self):
'''
Start capturing LPG gas detection
'''
print "[INFO] Start LPG detection"
index = 0
avgGasLevel = 0
try:
while True:
self.gasLevel = mcp.readAnalog()
self.gasLevel = self.gasLevel * 10 #Mapping 0-1000 to 0-10000
print "Gas Level: " + str(self.gasLevel)
if ((self.gasLevel > self.halfThreshold) and
(self.powerMode
== 0)): #Second condition avoids lot of function calls
self.setPowerMode(1)
if ((self.gasLevel <= self.halfThreshold) and
(self.powerMode
== 1)): #Second condition avoids lot of function calls
self.setPowerMode(0)
#Fill moving window
if (len(self.mvWindow) < self.mvWindowSize):
self.mvWindow.append(self.gasLevel)
index += 1
#Get Moving average
else:
self.mvWindow[index % self.mvWindowSize] = self.gasLevel
avgGasLevel = int(
sum(self.mvWindow) / float(len(self.mvWindow)) +
0.5) #Round off
index += 1
#Moving average greater than thershold, notify
if (avgGasLevel > self.threshold and not self.alertStatus
): #Second condition avoids lot of function call
self.setAlert(True)
elif (avgGasLevel <= self.threshold and self.alertStatus
): #Second condition avoids lot of function call
self.setAlert(False)
#Gas level crossed threshold and no notification sent to device
if (avgGasLevel > self.threshold and not self.notifyStatus):
self.notifyStatus = self.notifyDevice(
avgGasLevel, self.productcode, self.hostname)
self.sendData(avgGasLevel, self.productcode, self.hostname)
time.sleep(self.currSampleRate)
except Exception:
traceback.print_exc()
finally:
self.cleanupDev()
def main():
while True:
rawMagneticStrength = mcp.readAnalog()
print("Raw strength: %i " % rawMagneticStrength)
zeroedStrength = rawMagneticStrength - zeroLevel
print("Zeroed strength: %i " % zeroedStrength)
if (zeroedStrength > 0):
print("South pole")
elif (zeroedStrength < 0):
print("North pole")
time.sleep(0.5)
def main():
while True:
rawMagneticStrength = mcp.readAnalog()
print("Raw strength: %i " % rawMagneticStrength)
zeroedStrength = rawMagneticStrength - zeroLevel
print("Zeroed strength: %i " % zeroedStrength)
if(zeroedStrength > 0):
print("South pole")
elif(zeroedStrength < 0):
print("North pole")
time.sleep(0.5)
def startDev(self): ''' Start capturing LPG gas detection ''' print "[INFO] Start LPG detection" index = 0 avgGasLevel = 0 try: while True: self.gasLevel = mcp.readAnalog() self.gasLevel = self.gasLevel * 10 #Mapping 0-1000 to 0-10000 print "Gas Level: "+str(self.gasLevel) if((self.gasLevel > self.halfThreshold) and (self.powerMode==0)): #Second condition avoids lot of function calls self.setPowerMode(1) if((self.gasLevel <= self.halfThreshold) and (self.powerMode==1)): #Second condition avoids lot of function calls self.setPowerMode(0) #Fill moving window if(len(self.mvWindow)<self.mvWindowSize): self.mvWindow.append(self.gasLevel) index+=1 #Get Moving average else: self.mvWindow[index%self.mvWindowSize] = self.gasLevel avgGasLevel = int(sum(self.mvWindow)/float(len(self.mvWindow))+0.5) #Round off index+=1 #Moving average greater than thershold, notify if (avgGasLevel > self.threshold and not self.alertStatus): #Second condition avoids lot of function call self.setAlert(True) elif (avgGasLevel <= self.threshold and self.alertStatus): #Second condition avoids lot of function call self.setAlert(False) #Gas level crossed threshold and no notification sent to device if(avgGasLevel > self.threshold and not self.notifyStatus): self.notifyStatus = self.notifyDevice(avgGasLevel,self.productcode,self.hostname) self.sendData(avgGasLevel,self.productcode,self.hostname) time.sleep(self.currSampleRate) except Exception: traceback.print_exc() finally: self.cleanupDev()
def readFlexiForce():
return mcp.readAnalog() # <2>
def readVoltage():
raw = mcp.readAnalog(0, 1) # <2>
percent = raw / 1023.0 # <3>
volts = percent * 3.3 # <4>
sensedVolts = volts * 13.6 / 3.3 # V/V # <5>
return sensedVolts # V
def readSound(samples): buff = [] # <2> for i in range(samples): # <3> buff.append(mcp.readAnalog()) # <4> return buff
def readAlcoholLevel():
return mcp.readAnalog()
def readTemperature():
data = mcp.readAnalog(0, 0)
percent = data / 1023.0
volts = percent * 3.3
celcius = 100.0 * volts
return celcius
def readX(): # <3> return mcp.readAnalog(0, 0)
#Raspberry Pi Potentiometer Circuit Code
import RPi.GPIO as GPIO
import botbook_mcp3002 as mcp
import time
LED = 40
lightvalue = 0
minMoisture = 200
GPIO.setmode(GPIO.BOARD)
GPIO.setup(LED, GPIO.OUT)
while True:
moisturevalue = mcp.readAnalog(0,1)
print "Moisture = ", moisturevalue
time.sleep( 0.2)
if (moisturevalue <= minMoisture):
GPIO.output(LED, GPIO.HIGH)
elif (moisturevalue > minMoisture):
GPIO.output(LED, GPIO.LOW)
def readFlexiForce(): return mcp.readAnalog() # <2>
nodeID = " Tal001 ";
delayDB = 5 #double parking threshold time
delayTR = 8 # traffic threshold time
captime = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") #capture time, get date and time when picture have been token
tweetStr = "Double parking at ", nodeID + captime # sentence contatining node id and capture time
execfile("azm_keys.py") # twitter app passwords contains C_KEY,C_SECRET,A_TOKEN,A_SECRET
api = Twython(C_KEY,C_SECRET,A_TOKEN,A_SECRET) # set twitter app passwords
while True:
lightval = mcp.readAnalog() # read light sensor
captime = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
tweetStr = ("Double parking at ", nodeID + captime)
GPIO.output(TRIG, False)
time.sleep(0.3)
GPIO.output(TRIG, True)
time.sleep(0.001)
GPIO.output(TRIG, False)
while GPIO.input(ECHO)==0:
signalOff = time.time()
while GPIO.input(ECHO)==1:
signalOn = time.time()
def main():
while True:
h = mcp.readAnalog() # <1>
h = h / 1024 * 100 # <2>
print("Current humidity is %d %%" % h)
time.sleep(5)
def readTemperature(): # <3>
data = mcp.readAnalog(0, 0) # <4>
percent = data / 1023.0 # <5>
volts = percent * 3.3 # <6>
celcius = 100.0 * volts # <7>
return celcius # <8>
def main():
while True:
lightLevel = mcp.readAnalog()
print("Current light level is %i " % lightLevel)
time.sleep(0.5)
def readPotent(): global gasValue gasValue = mcp.readAnalog() # read gas information from mcp-3002
def main():
while True:
h = mcp.readAnalog() # <1>
h = h / 1024 * 100 # <2>
print("Current humidity is %d %%" % h)
time.sleep(5)
import sys
from twython import Twython
import RPi.GPIO as GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
execfile("azm_keys.py") # execute file containing AzmRpi twitter app secret passwords
api = Twython(C_KEY,C_SECRET,A_TOKEN,A_SECRET)
Pump = 40 # pump pin
FlameValue = 0
GPIO.setup(Pump, GPIO.OUT) # set pump pin as an output pin
FlameValue = mcp.readAnalog(0,1) # read flame sensor value
DT = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") # get date and time
TweetStatus = 'Fire detected at TAL001, ' + str(DT) # twitter status sentence including date time
while True:
DT = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") # get date and time
TweetStatus = 'Fire detected at TAL001, ' + str(DT) # twitter status sentence including date time
MoistureValue = mcp.readAnalog(0,0) # read moisture sensor value
FlameValue = mcp.readAnalog(0,1) # read flame sensor value
print "Moisture = ", MoistureValue
def readY(): return mcp.readAnalog(0, 1) # <4>
#Raspberry Pi Potentiometer Circuit Code
import RPi.GPIO as GPIO
import botbook_mcp3002 as mcp
import time
LED = 40
lightvalue = 0
GPIO.setmode(GPIO.BOARD)
GPIO.setup(LED, GPIO.OUT)
while True:
lightvalue = mcp.readAnalog(0,0)
gasValue = mcp.readAnalog(0,1)
print "LightValue = ", lightvalue, "CO Gas Value= ", gasValue
time.sleep( 0.2)
if (lightvalue <=700):
GPIO.output(LED, GPIO.HIGH)
elif (lightvalue >700):
GPIO.output(LED, GPIO.LOW)
def readAlcoholLevel(): return mcp.readAnalog()
def readX(): # <3>
return mcp.readAnalog(0, 0)
def readSmokeLevel():
global smokeLevel
smokeLevel = mcp.readAnalog()
def main():
while True:
lightLevel = mcp.readAnalog()
print("Current light level is %i " % lightLevel)
time.sleep(0.5)
#!/usr/bin/python # pot_repeat.py - continuously measure resistance of a potentiometer # (c) BotBook.com - Karvinen, Karvinen, Valtokari # from the book getting started with sensors # read and convert values between 0 and 1023 (10 bits) import botbook_mcp3002 as mcp # <1> import time # <2> while(True): # <3> x = mcp.readAnalog(0,0) # <4> print(x) # <5> time.sleep(0.5) # seconds # <6>
def readPotentiometer():
global potentiometer
potentiometer = mcp.readAnalog() #
def readY():
return mcp.readAnalog(0, 1) # <4>
def readCurrent():
raw = mcp.readAnalog(0, 0)
percent = raw / 1023.0
volts = percent * 3.3
sensedCurrent = volts * 45.0 / 3.3 # A/V # <6>
return sensedCurrent # A
def writeSensor(self,fileH): x = str(mcp.readAnalog(0,0)) # <2> ts = str(time.time()) print(x+","+ts+","+"0",file=fileH) print (x+","+ts) return x
def readSmokeLevel(): global smokeLevel smokeLevel = mcp.readAnalog() # <2>