moduleYou want to make a robot, When we saw this chip, we quickly realized what an excellent add-on this would be.Using only two pins, control 16 free-running PWM outputs!I2C input, control 16 PWM output, you can control the 16 way servo motor.Frequency: 40-1000Hz.Channel number: 16 channel.You want to make a robot, When we saw this chip, we quickly realized what an excellent add-on this would be.Using only two pins, control 16 free-running PWM outputs!I2C input, control 16 PWM output, you can control the 16 way servo motor.Frequency: 40-1000Hz.Channel number: 16 channel.Resolution: 12 bit.Voltage: DC 5-10VColour:blueMaterial:PCBSize:60 x 25mmPackage Contents:2 x PWM Servo Motor Driver IIC ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.