minhrung Posted February 3, 2015 Report Share Posted February 3, 2015 (edited) The use of a few LEDs to display a line of text is very interesting job, with less number of LEDs that can be displayed by the text, it need a motor to rotate the circuit is programmed by the microcontroller 89s52 control data to 8 leds.Shematic circuit: Use 8 led to display the text Complete | pic:kmitl.ac.thFirmware: 8 leds connected to the Port of 89s52 and P1 + 3V Lithium battery adopted by. Speed and content easily change text in the program. Download the program at the end of the page (.C, .Hex)|| Download code here Edited November 14, 2015 by minhrung Quote Link to comment Share on other sites More sharing options...
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