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arduino led module

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arduino led module Customers Reviews

  • Very bright quality RGB LED light

    posted by Freebs

    - Nice and compact.- Nice build quality.- Very bright.- Easy to connect and to work with.- Works nicely with PWM control.
    There are no resistors mounted on the board. They are not needed of you are working with microprocessors like the Arduino. They work directly on the PWM output pins of the Arduino (3,3V). At 3,3V the LEDs are very bright, and get warm, but extremes are not exceeded.
    For testing this module with an Arduino, follow this tutorial here: http://www.arduino.cc/en/Tutorial/ColorCrossfader
  • 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.
  • When you need a big cheap display board, get this!

    posted by tolerant2

    This is an easy way to get a big, bright multiple seven-segment display and switches for your Arduino projects. I could attach this to debug a robot's movement program by displaying values while it's running, or set up some parameters with the switches, then detach it when the robot is working properly. All the lights and switches worked fine and it looks well soldered and assembled.
    Many thanks to the Dealextreme users that contributed Arduino code to drive this.
    This is a great addition to my robot building toolbox and I would recommend it to anyone.
  • Excellent display!

    posted by robel

    This 8 x Seven-segment is really 2 x 4 seven-segment displays on two sockets. That’s a very good thing. If one or both fails they can easily be replaced without any (de)soldering. This display comes with a MAX7219, a serially interfaced, 8-Digit LED display driver which is really easy to use and requires only 3 wires from the Arduino except VCC and ground. It can also be cascaded without having to use more digial IOs. Just remember to power each display directly, as zero10 and others pointed out.
    Digit height is 10mm. Visible at 5 meter range (for an old myopic nerd like me), probably more.Replacement is like SKU 140220, but I’m not sure if those are the same size.Great for outdoor/indoor temperature display.
    Small but bright, red seven-segment display.
  • Arduino compatibility

    posted by firesign

    Bright RGB LEDsSimple hookupUser can control two pairs of LEDsFor Arduino use ShiftPWM library
    I was able to make this module work with Arduino using the ShiftPWM library from Elco Jacobs at http://www.elcojacobs.com/using-shiftpwm-to-control-rgb-leds-with-arduino/ . I only had one but I assume that the library will support daisy-chained modules. You will also need a robust 5v power supply, since the Arduino digital outputs don't have the required current to drive the module.
    If you don't mind experimenting a little, I think that this module is good value for the money.

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