Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
25
This example demonstrates the use of analog output (Pulse Width Modulation (PWM)) to
fade an LED. PWM is a technique for getting an analog-like behavior from a digital output
by switching it off and on very fast and with different ratio between on and off time.
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
UNO R3
1
Breadboard
1
Jumper wires
Several