API Reference pca9622matrix8x8 v#0.1.2

Driver for the switch-science "I2C 8x8 LED matrix" board (https://www.switch-science.com/products/2071), which multiplexes an 8x8 LED matrix over I2C using the PCA9622 constant-current LED driver.

Sample GenServer that counts up once a second and shows the current number on the matrix via PCA9622Matrix8x8.CharGen.