Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
14
Lesson 1: LED blink
Overview
The LED is designed for the beginners of Arduino. It is the best way to step into the from
RPI what it’s I/O pins. The LED is the best choice to help you learn I/O pins.
Specification
Pin definition
LED UNO R3
Long pin -> +5V
Short pin -> GND
Hardware required
Material diagram
Material name
Number
220/330Ω resistor
1
LED
1
USB Cable
1