Most Arduino boards have a pin connected to an on-board LED in series with a resistor. The constant LED_BUILTIN is the number of the pin to which the on-board LED is connected. Most boards have this LED connected to digital pin 13.
Author: Saturnina Altenwerth DVM
Last Updated:
Views: 6371
Rating: 4.3 / 5 (44 voted)
Reviews: 83% of readers found this page helpful
Name: Saturnina Altenwerth DVM
Birthday: 1992-08-21
Address: Apt. 237 662 Haag Mills, East Verenaport, MO 57071-5493
Phone: +331850833384
Job: District Real-Estate Architect
Hobby: Skateboarding, Taxidermy, Air sports, Painting, Knife making, Letterboxing, Inline skating
Introduction: My name is Saturnina Altenwerth DVM, I am a witty, perfect, combative, beautiful, determined, fancy, determined person who loves writing and wants to share my knowledge and understanding with you.