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LinkM USB-to-I2C Device, Programmer of BlinkM Smart LEDs US$34.95

LinkM USB-to-I2C Device, Programmer of BlinkM Smart LEDs

LinkM is a USB adapter that enables you to program multiple BlinkM devices simultaneously and control BlinkMs without setting up a separate I/O board. Plug it in, plug in a BlinkM, fire up the BlinkM Multitrack Sequencer, and start programming BlinkMs. It requires no drivers (when used with most operating systems), and no additional software or hardware.

LinkM is about the same size and shape as a thumb drive. BlinkMs can be plugged directly into it, creating a compact, inexpensive interface for situations that do not require a general-purpose prototyping board or where an enclosed programming and control device with no exposed wiring is needed. For example, a real-time energy display designed for long-term installation could use a LinkM attached to a small networked computer (e.g. a Linux-based router) to display the results of fluctuating electricity prices with an array of BlinkM LEDs.

BlinkM Programmer Features

  • Driverless. Identifies itself as a USB Human Interface (HID) class device, which nearly every operating system supports without requiring additional drivers.
  • Has no exposed components. Its hard plastic case makes it appropriate for long-term installation.
  • Synchronizes groups of BlinkMs with a metronome signal so that their patterns do not drift in time (this works even when the LinkM is connected only to a power supply, such as an iPod USB charger).
  • Can power eight BlinkMs or BlinkM MinMs directly, or one BlinkM MaxM.
  • Works as a generic USB-to-I2C device, making it compatible with hundreds of standard I2C devices.
  • Contains an I2C buffer chip for driving longer I2C bus cables.
  • Open-source firmware, available from Google Code.
  • Open-source libraries for C, Java and Processing that work on Mac OS X, Windows XP/7 and Ubuntu Linux, also available from Google Code.
  • Acts as an I2C master with built-in BlinkM metronome for synchronizing groups of BlinkMs.
  • Additional I/O pins on the board. AVR hackers can crack open the case to get access to digital I/O pins and use LinkM as a standalone microcontroller platform.
  • Powered from USB port.
  • Communication: 100 kbps I2C.
  • Dimensions: 2.4 0.8 inches.


  • No electronics experience necessary
  • No programming experience necessary
  • Computer with USB port
  • At least one BlinkM, BlinkM MinM, or BlinkM MaxM
  • OSX 10.3.9, Windows XP/7, Linux
  • Java 1.5 or later
  • Mulitrack ThingM Sequencer software (download below)

BlinkM Programmer Resources

This product was added to our catalog on Thursday 07 June, 2012.


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