Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
21
Yellow LED
1
Green LED
1
Red LED
1
USB Cable
1
UNO R3
1
Breadboard
1
Jumper wires
Several
Connection diagram
Note：The longest LED of the pin is connected to the digital signal port *(D*).
Compile and upload
Tips: Refer to the operation demo (Step4 to Step8).