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--- traffic_light_leds_using_array [2026/07/07 19:48] – [Introduction] walkeradmin
+++ traffic_light_leds_using_array [2026/07/07 19:48] (current) – [Introduction] walkeradmin
@@ Line 72: / Line 72: @@
 ----
-<code:python | download>
-#Traffic light LEDs using an array
-from machine import Pin
-import time
-# Define GPIO pins for the LEDs
-RED = Pin(2, Pin.OUT)
-AMBER = Pin(6, Pin.OUT)
-GREEN = Pin(10, Pin.OUT)
-# Put them in an array
-lights = [RED, AMBER, GREEN]
-# Helper function to turn all lights off
-def all_off():
-    for light in lights:
-        light.off()
-while True:
-    # Red
-    all_off()
-    RED.on()
-    time.sleep(3)
-    # Red + Amber
-    AMBER.on()
-    time.sleep(1)
-    # Green
-    all_off()
-    GREEN.on()
-    time.sleep(3)
-    # Amber
-    all_off()
-    AMBER.on()
-    time.sleep(1)
-</code>