5x4 charlieplexed 0603 led matrixDesigned by Bobricius, Ships from Slovakia
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Super small charlieplexed led matrix, 20x 0603 multicolor led 5x4 led matrix only 15x13mm only 5 GPIO required demo code in SOURCES, matrix connected to ARDUINO d2,d3,d4,d5,d6 Matrix Color Blue ...Read More…
Charlieplexing is a technique for driving a multiplexed display in which relatively few I/O pins on a microcontroller are used to drive an array of LEDs.
The method uses the tri-state logic capabilities of microcontrollers in order to gain efficiency over traditional multiplexing. Although it is more efficient in its use of I/O, there are issues that cause it to be more complicated to design and render it impractical for larger displays. These issues include duty cycle, current requirements and the forward voltages of the LEDs.
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