Fangrui Product Details This Is A Built-in Pwm Driver And A Clock Using I2c Communication. This Means That This Will Be Very Different From The Tlc5940 Series. You Dont Need To Constantly Send Signals To Occupy Your Microcontroller! It Is 5v Compatible, Which Means You Can Also Control It With A 3.3v Microcontroller And Safely Drive It To The 6v Output (3.4+ Positive Voltage Is Also Ok When You Want To Control The White Or Blue Leds) The 6 Address Select Pins Allow You To Hook Up 62 Driver Boards On A Single I2c Bus, For A Total Of 992 Pwm Outputs. That Would Be A Very Large Resource. About 1.6khz Adjustable Frequency Pwm Output Ready To Output 12-bit Resolution For Stepper Motors, Which Means 4us Resolution At 60hz Update Rate Configurable Push-pull Or Open-circuit Output Output Enable Pin Quickly Disables All Outputs The Pca9685 Chip Is Wrapped In The Center Of The Small Board Power Input Terminal Green Power Indicator It Is Convenient For You To Insert 16 Servo Motors At A Time In 4 Sets Of 3-pin Connectors (the Plug Of The<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store