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I2C 24-Bar Bargraph Bi-Color (Red/Green)
[67022]
CHF 11.17

Product retired

This product has been retired from our catalogue and is not available for odering anymore. The page is being kept for those looking for datasheets, sample code or other information.

 

Stock: 0

What's better than a single LED? Lots of LEDs! A fun way to make a small linear display is to use two 12-bar Bi-color bar-graphs. However, this LED bargraph is 'multiplexed' - so to control all the 48 LEDs you need a lot of pins. There are driver chips like the MAX7219 that can help control a bar-graph/matrix for you but there's a lot of wiring to set up and they take up a ton of space. After all, wouldn't it be awesome if you could control a colorful bargraph without tons of wiring? That's where this adorable LED bar-graph backpack comes in. This backpack pairs perfectly with our bar-graphs and manages all the LED control and multiplexing.

The backpack uses a driver chip that does all the heavy lifting for you: It has a built in clock so it can multiplex the display. It uses constant-current drivers for ultra-bright, consistent color, 1/16 step display dimming, all via a simple I2C interface. The backpack comes with address-selection jumpers so you can connect up to eight of these bar-graphs on a single I2C bus. You can also mix-and-match the bar-graph breakout with our other types of I2C LED backpacks.

Includes:

  • A fully tested and assembled LED backpack stick
  • Two 12-bar bi-color bar-graphs
  • 4-pin header

A bit of soldering is required to attach the matrix onto the backpack but its very easy to do and only takes about 5 minutes.

Dimensions: 10mm x 30mm ( 0.4" x 1.2"), 7mm (0.3") thick

Documents:

This product was added to our catalog on Friday 14 March, 2014.
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