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led display board Customers Reviews

  • Good for Arduino beginers

    posted by Nick17200

    I bought this kit for experimenting with my students.Works on SPI and is very easy to order with an Arduino Uno.The PCB Board is marked and that makes the components to be easy mounted.The device works from the first try if it's built properly.
    Perhaps it would be useful to make a PCB Led array, and the headers have the mother out of the PCB, to be able to interconnect with other PCB
    It can be used to commercials light !
  • Works like a charm!

    posted by bstien

    - Easy to transfer text to device, either by included software (Windows) or this ruby-script (https://github.com/ajesler/ledbadge-rb). The script works very well with little to none configuration. - The USB-port is used for both data-transfer and charging of battery- Has both a safety-pin and a magnet on the back which makes it easy to place
    Really useful for small home-projects, or monitoring of local machines.I plan to use this to monitor the temperature when brewing beer at home. For now, I use this to show my local bus schedules in a marquee from my Raspberry Pi.
    Love it! Really easy to start using on Linux if you find the right scripts
  • Terrific product

    posted by emmarvee

    No more having to use the middle finger for the tailgaters ! This gets the message across very well. Display and remote are good quality. Very easy to program and operate. Manual is only half useful, but the unit is easy to work out.
    Great device to get your message across, and has many applications other than just in a car window !
    If you want to get your message across, this is for you.
  • Nice 4 digit display.

    posted by DrJFM

    Only takes 2 wires to use. Mine was a Catalex as shown. Had seen some complaints about these devices from various sources, but no problems with this one.Used: http://www.seeedstudio.com/wiki/Grove_-_4-Digit_Display for trial sketchs and nice timer routine too.
    Surprised how accurate a clock you get with just the UNO crystal and no correction. Wanted to do something each day at a time +/- a couple of min.If I have to adjust the "clock" once a week, no big deal.
    Ordered a couple more! Will try w ATTiny.
  • Cool for advertising

    posted by aviator1987

    the devioce is so cheep, but very cool.supports russian. lightweight.brite leds,like tail lightscreating a text messages is not so hard without manual)
    "DrivEmotion"
    Cool for advertising, if you want to sell your car)you can make your own car club logo )

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