I built this toy in order to make this video: https://youtu.be/BrWtttyfVOY If you want to see what happens if you press the up arrow for 12 hours, see here: https://youtu.be/TP07dDSmkcs Watch construction of this toy here: https://youtube.com/watch?v=cK4d4Wk76Qw&list=PLlU_NITRro7dsTxuIB_TFhjyVKffHRux2 * Press the up arrow to add one * Press the down arrow to subtract one * Slide the "value" slider bar to jump to a number between 0 and 255 * Press "d" to toggle the decimal display * Press "b" to toggle the binary display * Press "h" to toggle the hexadecimal display A little toy for explaining about decimal, binary, and hexadecimal base systems.
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