4 in 1 Dot Matrix MCU LED Display Modules DIY Set for Arduino 5 PC Connecti J3k4

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AU $10.13
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  • Get it by Wed, 13 Oct - Fri, 12 Nov from Shenzhen, China
  •  • Brand New condition
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Only 3 IO interfaces will be used to drive a dot matrix display. Also can be connected to the bar graph or 64 independent LED. LED color: Red. screw opening hole: 3mm. There is a built-in serial input / output common cathode display driver.