Adafruit 2946 16x9 charlieplexed pwm led matrix driver i2c is31fl3731
Adafruit 16x9 charlieplexed pwm led matrix driver i2c is31fl3731 adafruit 2946 the adafruit 16x9 charlieplexed pwm led matrix drivers are pin compatible with the a href https www rapidonline com search query 563199 amp filtersearchscope 1 adafruit charlieplexed led matrix boards a we supply this neat combo lets you drive 144 x 0603 individually addressable surface mount leds using just 2 x i2c signals clk and dat and because the boards support 8 bit pwm each led can be dimmed whi