DESCRIPTION
What’s better than a single LED? Lots of LEDs! A fun way to make a small colourful display is to use a 1.2″ Bi-colour 8×8 LED Matrix. Matrices like these are ‘multiplexed’ – so to control all the 128 LEDs you need 24 pins. It’s called a Bi-colour LED, but you can have 3 colours total by turning on the red and green LEDs, which creates yellow. That’s 3 colours for the price of 2!
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 colour, 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 8×8’s or eight 7-segments/bi-colour (or a combination, such as four mini 8×8’s and two 7-segments and two bi-colour, etc) on a single I2C bus.
The product kit comes with:
- A fully tested and assembled LED backpack
- 1.2″ Bi-colour 8×8 LED Matrix
- 4-pin header
A bit of soldering is required to attach the matrix to the backpack but it’s very easy to do and only takes about 5 minutes.
RESOURCES
- Adafruit tutorial on how to solder, wire and control the display.
- Image display library
- Tiny Arduino Music Visualizer
- Animating Multiple LED Backpacks
- Datasheet for part BL-M12A883DUG-11
Fast Shipping and professional packaging
Through our long-term relationship with UPS, FedEx, DHL and many other leading global carriers, we can provide various shipping options. Our warehouse staff are highly trained and will wrap your goods in accordance with our exact and precise specifications. Your items will go through an extensive inspection and be securely packaged before being delivered. We ship to thousands clients each day across multiple countries. This shows that we're committed to be the largest retailer on the internet. Both Europe and the USA have warehouses and distribution centers.
Orders that contain more than 1 item are given processing time for each item.
Before shipping, all ordered products will be thoroughly inspected. The majority of orders will be delivered within 48 hours. The expected delivery time will be between 3 and 7 days.
Returns
Due to the multiple parties involved such as the factory and the warehouse, we are unable to completely manage our stock. The levels of stock can change at any given time. Be aware that it is possible that your order could be out of stock after you've placed your order.
Our policy lasts for 30 days. We cannot replace or refund your purchase if it has been 30 days from the date of purchase.
Your item should be in the original packaging and not be used. It should also be in the original package.
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