Interrupts and internal rezistors

buzzer.py

@@ -0,0 +1,20 @@
+__author__ = 'Wojciech'
+import RPi.GPIO as GPIO
+import time
+GPIO.setmode(GPIO.BCM)
+
+GPIO.setup(18, GPIO.OUT)
+
+GPIO.output(18,1)
+time.sleep(.1)
+GPIO.output(18,0)
+time.sleep(.1)
+GPIO.output(18,1)
+time.sleep(.1)
+GPIO.output(18,0)
+time.sleep(.1)
+GPIO.output(18,1)
+time.sleep(.1)
+GPIO.output(18,0)
+
+GPIO.cleanup()

callbacks.py

@@ -0,0 +1,20 @@
+__author__ = 'Wojciech'
+import RPi.GPIO as GPIO
+import time
+GPIO.setmode(GPIO.BCM)
+
+GPIO.setup(21, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+GPIO.setup(18,GPIO.OUT)
+GPIO.setup(16, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+
+def button_pushed(channel):
+    GPIO.output(18,1)
+
+def button_released(channel):
+    GPIO.output(18,0)
+
+GPIO.add_event_detect(21, GPIO.RISING, callback=button_pushed, bouncetime=300)
+GPIO.add_event_detect(16, GPIO.FALLING, callback=button_released, bouncetime=300)
+
+time.sleep(10)
+GPIO.cleanup()

led16_2.py

@@ -0,0 +1,10 @@
+__author__ = 'Wojciech'
+import RPi.GPIO as GPIO
+
+GPIO.setmode(GPIO.BCM)
+
+GPIO.setup(16, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+
+while True:
+    if(GPIO.input(16) == 1):
+        print("Button pressed")

led_callback.py

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+import time
+import os
+import RPi.GPIO as GPIO
+GPIO.setmode(GPIO.BCM)
+
+GPIO.setwarnings(False)
+
+GPIO.setup(17, GPIO.OUT)
+GPIO.setup(16, GPIO.IN, pull_up_down = GPIO.PUD_DOWN)
+
+is_high = False
+
+try:
+    while True:
+        if(GPIO.input(16) == True):
+            print("Button pressed")
+            os.system('date')
+            print(GPIO.input(16))
+            if(is_high):
+                GPIO.output(17,GPIO.LOW)
+                is_high=False
+            else:
+                GPIO.output(17,GPIO.HIGH)
+                is_high=True
+            time.sleep(1)
+
+        else:
+            os.system('clear')
+            print("Waiting for you to press a button")
+except KeyboardInterrupt:
+    GPIO.cleanup()

python_sudo

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+#!/bin/bash
+sudo python $@

rgb.py

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+import RPi.GPIO as GPIO
+import time, math
+
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(27, GPIO.OUT)
+GPIO.setup(18, GPIO.OUT)
+GPIO.setup(17, GPIO.OUT)
+
+r_int = 100
+g_int = 100
+b_int = 100
+
+r = GPIO.PWM(27, 60)
+g = GPIO.PWM(18, 60)
+b = GPIO.PWM(17, 60)
+
+r.start(r_int)
+g.start(g_int)
+b.start(b_int)
+
+sa = 0
+
+for x in range(0, 1000):
+        r_int = 90 * (math.sin(sa) + 1) / 2 + 10
+        g_int = 80 * (math.sin(sa - 3.141592) + 1) / 2 + 20
+        b_int = 100 * (math.sin(sa - 1.570796) + 1) / 2
+        sa += 0.04
+        r.ChangeDutyCycle(r_int)
+        g.ChangeDutyCycle(g_int)
+        b.ChangeDutyCycle(b_int)
+        time.sleep(0.05)
+time.sleep(2)
+
+GPIO.cleanup()