Elmwood no more, long live Elmwood! Elmwood Electronics and PiShop are now together!
Please order via PiShop.ca, as we are no longer taking orders through this site.
More details are in our blog!
You will squeak with delight when you hold this adorable miniature LED matrix. 0.8" square, its got everything a big LED matrix has, but bite sized! 64 pure green 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 plenty of space to wire it up
These LEDs have a deeper green coloring, its a beautiful shade but the process is different than our other mini green LED matrices which makes them more expensive.
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.
The Arduino playground has a nice set of tutorials introducing the MAX7219 and 8x8 LED matrices
This is a Common Cathode LED Matrix
Datasheet - We currently have LuckyLight as the supplier for this matrix. Previously we carried BetLux.