Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
25
Compile and Run
Tips: Refer to the operation demo (Step4 to Step7).
Application effect
You will see the number on the digital tube increased from 0 to 9.
Lesson 9: 4 digit 7 Segment Displays
Overview
This experiment is similar to the LED experiment, the same is the control of
LED, but the experiment can achieve time counting function.
Specification
Null
Pin definition
Hardware required
Material diagram
Material name
Number