Only 1.2"" on a side, it is quite visible but not so large it wont plug into a breadboard. 64 green 250mcd LEDs are contained inside the plastic body, in an 8x8 matrix. There are 16 pins on the side, 8 on each, with 0.1"" spacing so you can easily plug it into a breadboard with one row on each side for wiring it up.
Since the display is in a grid, you'll need to 1:8 multiplex control it. We suggest either using a 74HC595 and TPIC6B595 (using the 74HC' to control the 8 anodes at once and then using the TPIC' to drive one cathode at a time) or just using a single MAX7219 which will do the multiplexing work for you. Features
- Color: Red
- Brightness: 400mcd
|MCM Part #:||25-5970|
|Adafruit Industries Part #:||455|
|Package Specifications & Dimensions|
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|Extra Shipping Charge:||No|