Upload code 2 and plug micro:bit in power, Micro: bit starts showing
number 1, 2, 3, 4, and 5, then cyclically display ,“Hello!”, ,
, , and patterns.
(How to download? How to quick download?)
Project 4: Programmable Buttons
(1)Project Description
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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