MCP4725 BoB 12-Bit DAC I2C

MCP4725 BoB 12-Bit DAC I2C

Mini 0.8

Mini 0.8" 8x8 LED Matrix I2C - YELLOW

Mini 0.8" 8x8 LED Matrix I2C - RED

149,00 kr 119,20 kr
I lager
Fåtal i lager: 6 st
  • Köp 10 för 141,55 kr 113,24 kr st och spara 5%
What's better than a single LED? Lots of LEDs! A fun way to make a small display is to use an 8x8 matrix. Matrices like these are 'multiplexed' - so to control 64 LEDs you need 16 pins. That's a lot of pins, and there are driver chips like the MAX7219 that can control a matrix for you but there's a lot of wiring to set up and they take up a ton of space. Here at Adafruit we feel your pain! After all, wouldn't it be awesome if you could control a matrix without tons of wiring? That's where these adorable LED matrix backpacks come in.

The matrices use a driver chip that does all the heavy lifting for you: They have a built in clock so they multiplex the display. They use constant-current drivers for ultra-bright, consistent color (the images above are photographed at the dimmest setting to avoid overloading our camera!), 1/16 step display dimming, all via a simple I2C interface. The backpacks come with address-selection jumpers so you can connect up to four mini 8x8's on a single I2C bus.

The product kit comes with:
• A fully tested and assembled LED backpack
• Ultra-bright 8x8 red matrix
• 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.

Of course, in classic Adafruit fashion, we also have a detailed tutorial showing you how to solder, wire and control the display. We even wrote a very nice library for the backpacks so you can get running in under half an hour, displaying images on the matrix or numbers on the 7-segment. If you've been eyeing matrix displays but hesitated because of the complexity, his is the solution you've been looking for!
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Artikelnr ADA-0870
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