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arduino display module

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arduino display module Customers Reviews

  • 8 7-segment display

    posted by JBSchueler

    Very easy to use 7 segment display. Had to figure out the connections and how to drive ( common anode or cathode ) this 7 segment display. Within 5 minutes I had it working.You can drive the display with the spi interface of the arduino. The first byte you can select the digit ( or digits ). A '1' selects the digit. LSB is the left digit and the MSB is the right digit.The second byte represents the LEDs of the digit. LSB is 'A' and the MSB is the 'Digital Point'. But this byte has to be inverted.Thats it!// take the SS pin low to select the chip:digitalWrite(slaveSelectPin,LOW);// send in the digit and value via SPI:SPI.transfer(digit);SPI.transfer(~value);// take the SS pin high to de-select the chip:digitalWrite(slaveSelectPin,HIGH);
    Include a small note on how to drive this display can help people a lot. But that is what I put in all my reviews... I am a bit irritated that I have to figure out the connections or driving schedule all the time.
    Great display for driving all kind of things...In my case a simple clock display ;)
  • Good starter kit

    posted by 8136821

    Good quality PCB and all necessary components are supplied to build this. Very easy to put together and worked first time connected to my Arduino.
    Please make just the PCB available for those that want to supply their own parts. Maybe consider a smaller PCB footprint that is just as big as the display with connectors as discussed above
    Good product at a good price.
  • I2c display

    posted by ponakka

    Works and has nice brightness and just four wires overall.
    When address and example code were found from interwebs everything was fine-
    read example from this sitehttp://arduino-info.wikispaces.com/LCD-Blue-I2Cyou also need this page for librarieshttps://bitbucket.org/fmalpartida/new-liquidcrystal/downloadsArduino UNO SCL pin is A5 and SDA pin is A4
  • Great 8x 7 segment LED (MAX7219)

    posted by antonpez

    Very cheap 8x 7segment LED display (best price i could find on net). Possible to connect in chain! Very easy to use, interfacable with Arduino. Just plug and play. Comes in ESD bags.
    Cheap!!! Good quality manufactured. Good to play and learn.Would be nice to have it in other forms, colours and sizes.
    Very good for its price!
  • simply display... It do, what do you expect.

    posted by mhepp

    It is character display with nice blue backlight, white bright characters. If you own soldering iron, it is simple to use it with various types of microcontrolers. I have connected it to RPi.
    I have connected it via i2c to RPi, this display shows me information about temperature, time and pressure. It is bigger common display (20x4 characters)., but I have usege for bigger one.
    If you want to display, buy them...

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