Microbit Halo Programmable Expansion Board Tutorial 2.1 marquee
If the programmable RGB lamp is fully lit, the battery is not enough voltage, it will affect the effect, such as color saturation of RGB lamp is reduced.
It is recommended to use the USB data cable to plug in the RGB LED Circular expansion board interface. As shown in the figure below.
After the program is successfully downloaded, we will see that the RGB lights of the RGB LED Circular will be cycled to form the effect of the marquee. When the B key of micro:bit is pressed, the light will turn off and be lit in turn.
Please see the mp4 video file for details.
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