This Led Matrix Dice made by Itay Donenhirsch looks very cool. Give it a shake to roll a new number. "The cube is driven by three 1.5V small button cells (which are sold here as batteries for EasyPark computerized parking ticket). The brain of this gadget is a ATmega168. The ATmega168 is programmed using avr-gcc and avr-libc. The MCU is connected to the matrices using a ULN2008 as a current sink and a 74LS164 as led driver. For extra fun I pulled a speaker from a Nokia mobile phone and connected it as well." |
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May 20th, 2009
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May 21st, 2009
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