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lines changed Original file line number Diff line number Diff line change 55 can run at the same time without being interrupted by the LED code.
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77 The circuit:
8- * LED attached from pin 13 to ground.
9- * Note: on most Arduinos, there is already an LED on the board
10- that's attached to pin 13, so no hardware is needed for this example.
8+ * Use the onboard LED.
9+ * Note: Most Arduinos have an on-board LED you can control. On the UNO, MEGA and ZERO
10+ it is attached to digital pin 13, on MKR1000 on pin 6. LED_BUILTIN is set to
11+ the correct LED pin independent of which board is used.
12+ If you want to know what pin the on-board LED is connected to on your Arduino model, check
13+ the Technical Specs of your board at https://www.arduino.cc/en/Main/Products
1114
1215 created 2005
1316 by David A. Mellis
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