distance_and_led_sensors

README.md

@@ -1,6 +1,9 @@
 # gpio
-GPIO works for Raspberry PI
+
+GPIO that works for Raspberry Pi
+
 
 # cool.py
 The simplest way to control a cooler speed.
 You'll need only two things: stepdown DC-DC converter and relay shield module.
+

SchoolProject/students.py

@@ -0,0 +1,114 @@
+from sqlalchemy import create_engine, MetaData, Table, Column, Integer, String, inspect
+engine = create_engine('sqlite:///college.db')
+
+meta = MetaData()
+
+students = Table(
+   'students', meta, 
+   Column('id', Integer, primary_key = True), 
+   Column('name', String), 
+   Column('lastname', String)
+   Column('student_id', String), 
+)
+meta.create_all(engine)
+
+class Student(object):
+	"""docstring for ClassName"""
+	def __init__(self, name, lastName, studentId):
+		self.name = name
+		self.lastName = lastName
+		self.studentId = studentId	
+
+	def getName(self):
+			return self.name	
+
+	def getLastName(self):
+			return self.lastName
+
+	def getStudentId(self):
+			return self.studentId
+
+	def setName(name):
+			self.name = name	
+
+	def setLastName(lastName):
+			self.lastName = lastName
+
+	def setStudentId(studentId):
+			self.studentId = studentId
+
+	def __str__(self):
+		return 'Name: {}: Surname: {} StudentID: {}'.format(self.name, self.lastName, self.studentId)
+
+def main():
+
+	print("""Welcome! Please choose an action to start:
+			1. Input data.
+			2. Clear data.
+			3. See data. \n""")
+	action = int(input("..."))
+
+	conn = engine.connect()
+
+	while action != 1 or action !=2 or action !=3:
+		if action == 1:
+
+			inputListLength = int(input("Please enter length of inputList: "))
+			inputList =  []
+			#s = []
+
+			conn = engine.connect()
+
+			for i in range(inputListLength):
+				inputList.append("-")
+				#s.append(" ")
+
+			for i in range(inputListLength):
+				sName = input("{}. Input  S_name: ".format(i+1))
+				sLastName = input("{}. Input S_LASTNAME:".format(i+1))
+				sStudentID = input("{}. Input StudentID:".format(i+1))
+				inputList[i] = Student(sName, sLastName, sStudentID)
+				conn.execute(students.insert(), [
+			   {'name': sName, 'lastname' : sLastName, 'student_id' : sStudentID },
+
+			])
+				print ("\n")
+
+
+			s = students.select()
+			result = conn.execute(s)
+
+			for row in result:
+		   		print (row)
+
+		elif action == 2:
+
+			students.drop(engine)
+			inspector = inspect(engine)
+
+			if inspector == True: 
+				print("Your data was cleared successfully.")
+			else:
+				print("Something went wrong.")
+
+			break
+
+		elif action == 3:
+
+			s = students.select()
+			result = conn.execute(s)
+
+			for row in result:
+
+		   		print(row)
+
+			break
+
+		else:
+
+			print("Your input is not correct. Please try again.")
+
+
+if __name__ == '__main__':
+	main()
+

cool.py

@@ -16,13 +16,66 @@ def highon ():
     GPIO.output(13, True)
     return 2
 
+def off ():
+    GPIO.output(11, False)
+    GPIO.output(13, False)
+    return 0
+
+if __name__ == '__main__':
+    try:
+    state = off()
+
+
 try:
     state = lowon()
+
     while True:
         fo = open("/sys/class/thermal/thermal_zone0/temp")
         str = fo.read()
         fo.close()
         temp = int(str)/1000
+
+        print(temp)
+
+        if state == 0:
+            if temp >= midtemp:
+                state = lowon()
+
+        if state == 1:
+            if temp >= hightemp:
+                state = highon()
+            else:
+                if temp <= midtemp - delta:
+                    state = off ()
+
+        if state == 2:
+            if temp <= hightemp - delta:
+                state = lowon()
+        print(state)
+
+    time.sleep(15)
+    #try:
+    #while True:
+    #char = screen.getch()
+    #print chr(char)
+    #if char == ord('q'):
+        #break
+    #elif char == ord('1'):
+        #GPIO.output(11, False)
+        #GPIO.output(13, False)
+    #elif char == ord('2'):
+        #GPIO.output(11, True)
+        #GPIO.output(13, False)
+    #elif char == ord('3'):
+        #GPIO.output(11, True)
+        #GPIO.output(13, True)
+    #time.sleep(.5)
+
+    finally:
+        curses.nocbreak(); screen.keypad(0); curses.echo()
+        curses.endwin()
+        GPIO.cleanup()  
+
         if state == 1:
             if temp >= hightemp:
                 state = highon()
@@ -34,3 +87,4 @@ def highon ():
 
 finally:
     GPIO.cleanup()
+

distance_and_led_sensors.py

@@ -0,0 +1,67 @@
+import RPi.GPIO as GPIO
+import time
+
+#GPIO Mode (BOARD / BCM)
+GPIO.setmode(GPIO.BCM)
+
+#set GPIO Pins
+GPIO_TRIGGER = 23
+GPIO_ECHO = 24
+LED_1 = 4
+
+#set GPIO direction (IN / OUT)
+GPIO.setup(GPIO_TRIGGER, GPIO.OUT)
+GPIO.setup(GPIO_ECHO, GPIO.IN)
+GPIO.setup(LED_1, GPIO.OUT)
+
+def led():
+    GPIO.output(LED_1,True)  ## Turn on Led
+    time.sleep(1)         ## Wait for one second
+    GPIO.output(LED_1,False) ## Turn off Led
+    time.sleep(1)
+
+def distance():
+    # set Trigger to HIGH
+    GPIO.output(GPIO_TRIGGER, True)
+
+    # set Trigger after 0.01ms to LOW
+    time.sleep(0.00001)
+    GPIO.output(GPIO_TRIGGER, False)
+
+    StartTime = time.time()
+    StopTime = time.time()
+
+    # save StartTime
+    while GPIO.input(GPIO_ECHO) == 0:
+        StartTime = time.time()
+
+    # save time of arrival
+    while GPIO.input(GPIO_ECHO) == 1:
+        StopTime = time.time()
+
+    # time difference between start and arrival
+    TimeElapsed = StopTime - StartTime
+    # multiply with the sonic speed (34300 cm/s)
+    # and divide by 2, because there and back
+    distance = (TimeElapsed * 34300) / 2
+
+    return distance
+##############################################################
+
+
+
+
+if __name__ == '__main__':
+    try:
+        while True:
+            dist = distance()
+            print ("Measured Distance = %.1f cm" % dist)
+            time.sleep(0.01)
+            if dist <25:
+                led()
+
+
+        # Reset by pressing CTRL + C
+    except KeyboardInterrupt:
+        print("Measurement stopped by User")
+        GPIO.cleanup()