This was a challenge presented to me by a Blind man: 1 They hate to have to ask to EVERY Bus passing by, for the Bus’s number, and prefer to use a number plate. So they go out with the plates of the numbers they’ll need. 2 But sometimes, they can unexpectedly need a number outside the usual, and so they go back to asking and asking!. This is an Open Source set of 3D printable parts, that will enable you to make, along with a back plate, a Bus Line number Signalling, that can be be hand set, and re-set at need, for any number up to 199.
1 to 999, if you have 3 complete 7 segments sets! :D As you might have guessed, this use the 7 segment number display of digital clocks, but, set by hand, so the Blind can change, at any time, the number, for any unexpected new travels.
Assembling Instructable: https://www.instructables.com/id/BusStopper-3D-Printed-Manually-Settable-Bus-Line-N
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