Keyestudio 4WD Manual page 103

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buttons(marked with A and B), and the one on the other side is a reset
button. By pressing the two programmable buttons can input three
different signals. We can press button A or B alone or press them together
and the LED dot matrix shows A,B and AB respectively. Let's get started.
(2)Experimental Preparation：
 Connect micro:bit to computer with the USB cable
 Open online Makecode editor
Import Hex profile (How to import?)
Or click"New Project"and drag blocks step by step
(3)Test Code
Code 1：
Press buttons on micro:bit, micro:bit will display character strings.
The route to get test
File Type
code（How to load?）
Path File Name
103