Chapter 2

ch-2/blink.py

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+import time
+import board
+import digitalio
+
+led = digitalio.DigitalInOut(board.LED)
+led.direction = digitalio.Direction.OUTPUT
+
+while True:
+    led.value = True
+    time.sleep(0.5)
+    led.value = False
+    time.sleep(0.5)

ch-2/helloworld.py

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+print("Hello, world!")

ch-2/light_led.py

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+import board
+import digitalio
+led = digitalio.DigitalInOut(board.LED)
+led.direction = digitalio.Direction.OUTPUT
+led.value = True