Project 4: Programmable Buttons - Keyestudio KS4028 Manual

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(5)Test Result:
After uploading test code to micro:bit main board and powering the main
board via the USB cable, we find that the 5*5 dot matrix start to show
numbers 1,2,3,4 and 5, and then it alternatively shows a downward arrow
, word "Hello", a heart pattern , an arrow pointing at northeast
, then at southeast , then at southwest , and then at
northwest .

Project 4: Programmable Buttons

(1) Project Introduction
Buttons can be used to control circuits. In an integrated circuit with a push
button, the circuit is connected when pressing the button and it is open the
other way around.
Micro: Bit main board boasts three push buttons, two are programmable
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