Looking at my distributed BBC micro:bit clock I got to thinking, could I make a display screen using a number of micro:bits, using the radio functionality to update the screens ?To see if the basic timing would work I created some very rudimentary code on 4 micro:bits. Initially I tried to use the ‘display.scroll’ function. After much fiddling I did get this to work after a fashion, but in truth it looked rubbish. On the point of giving up I thought I would see what it would look like using the ‘display.show’ function. This produced a much more readable result so I decided to go on and develop some ‘proper code’. I had previously looked at with David Whale’s python ‘microbit’ module and this seemed a great way to get the text strings ‘into’ the micro:bit. which solved the problem of how to front end the display. The remaining s/w built used in my distributed micro:bit clock.
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