Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
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Note：The longest LED of the pin is connected to the digital signal port 11 (D11).
Ball switch`s pin is not divided into positive and negative polarity.
Compile and upload
Tips: Refer to the operation demo (Step4 to Step8).
Language reference
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If()
else
Application effect
LED light up when you lean or knock on ball switch.
Lesson 14: 1 digit 7 Segment Displays
Overview
This experiment is similar with the LED experiment, the same is the control of LED, but the
experiment can achieve time counting function.