LED Matrix is low cost and usually used to display simple numbers and images. Grove - Red LED Matrix w/Driver is the combination of the 20mm 8*8 square LED Matrix - Red and the Grove - LED Matrix Driver. The HT16K33 is a memory mapping and multi-function LED controller driver which allows you to control the LED matrix with our prepared and easy-to-use libraries, or you can create your own library to control it to satisfy your needs.
We've Released the Grove Selection Guide and hope to help you find the Grove suit you best.
Grove - LED Matrix Driver(HT16K33) Eagle Files
Grove_LED_Matrix_Driver_HT16K33 Software Library