Add GPIO testing script

gpio_tests/test.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+
+from RPi import GPIO
+import time
+
+
+# blinking function
+def blink(pin):
+    GPIO.output(pin, GPIO.HIGH)
+    time.sleep(.1)
+    GPIO.output(pin, GPIO.LOW)
+    time.sleep(.1)
+    return
+
+
+def test_leds():
+    # to use Raspberry Pi board pin numbers
+    GPIO.setmode(GPIO.BOARD)
+    pins = [11, 12, 15]
+    # set up GPIO output channel
+    for pin in pins:
+        GPIO.setup(pin, GPIO.OUT)
+
+    # blink GPIO17 50 times
+    for i in range(0, 50):
+        for pin in pins:
+            blink(pin)
+
+
+def test_button():
+    GPIO.setmode(GPIO.BCM)
+
+    button = 23
+    GPIO.setup(button, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+    while True:
+        GPIO.wait_for_edge(button, GPIO.RISING)
+
+        print("Button Pressed")
+
+        GPIO.wait_for_edge(button, GPIO.FALLING)
+
+        print("Button Released")
+
+
+test_button()
+
+GPIO.cleanup()