Traffic light toy
thingiverse
This small toy is perfect for a child's playtime fun. It runs on just one AA battery and uses an Atmel Attiny9/10 microcontroller. The assembly instructions are straightforward, so you shouldn't have any trouble. Box003 needs support during printing, while box001 and box002 do not require it; just remember to ensure proper orientation before slicing. For assembly, gather 3 M1.2 self-tapping screws, each 6mm long.
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