AUG5
Rotating LED display in color
As we didn't see enough of these rotating LED displays... Anyway, here is another one but very nicely built and in multiple colors.
Dual-color LEDs (red and green) are used to produce three colors: red, green and orange/yellow. LEDs are controlled with Atmega8 via 74HC595D shift registers and motor used for rotating the board is from an old fan. The most interesting thing about this project is the way the command data (message to be displayed) is sent to the microcontroller; author used a fiber-optic thread to transfer IR light from above and through the rotating shaft to the IR receptor on the board. All in all, an excellent project!
© Aki Korhonen
Rotirajući LED displej u boji
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