Linear LED Grid Array (chainable)
thingiverse
Chainable baseplates for MAX7219. 4x plates fit Makerbot Thing-o-matic (ie. 100x100 build platform). Short is about 2mm thick on the baseplate - probably shouldn't go much thinner. Tall is 3mm. "edge" plate contains beginning and end pieces. 4x edge includes 2 middle pieces as well. Instructions Print. Sand edges to square them up (if necessary). Snap together. Mount Max7219 with 3mm bolts. Connect to MCU. Scroll some text!
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