DigiDado: Dado electrónico de llavero
thingiverse
These are the support files to carry out the process of building the DigiDado: a keychain electronic dice that generates random numbers from 0 to 9 and displays them on an LED matrix. The circuit uses charlieplexing and Timers to control the 9 LEDs with only 4 pins and 4 resistances, with 10-step brightness regulation. The realization and assembly process of the printed circuits and cases is illustrated in a series of video tutorials that form part of the Contigo en la Distancia initiative, Cultura desde casa 2020. Additionally, a step-by-step guide to the process is available in English at the following link: https://www.instructables.com/id/TinyDice-Professional-PCBs-at-Home-With-Vinyl-Cutt/
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