Starter Guide

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Your micro: bit has the following physical features:
LEDs
Buttons
Pins
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Light Sensor
LED stands for Light Emitting Diode. The
micro: bit has 25 individually-programmable
LEDs, allowing you to display text, numbers,
and images.
There are two buttons on the front of the micro:
bit (labelled A and B). You can detect when these
buttons are pressed, allowing you to trigger code
on the device.
There are 25 external connectors on the
edge connector of the micro: bit, which we
refer to as 'pins'. Program motors, LEDs, or
other electrical components with the pins, or
connect extra sensors to control your code!
The five big pins connect with the annular
hole, and marked as 0, 1, 2, 3V, GND,
representing P0, P1, P2, 3V power output
and ground connection.