ITEM NAME:PCA9685 16 channel 12 bit led PWM driver servo motor IIC interface I2C Modu V2G6 PCA9685 16 channel 12 bit led PWM driver servo motor IIC interface I2C Modu V2G6 You want to make a robot, when you saw this, we immediately understood what a great add-on this would be. Using only two pins, control 16 free-running PWM outputs. I2C input, control 16 PWM, it is possible to control the 16-way servomotor. Blue color materials: CCL Frequency: 40-1000Hz. Voltage: DC 5-10V Dimensions: 60 x 25mm Net weight: 12 g The package includes: 1 x 16-channel of the 12-bit I2C Servo PWM driver module Only the above package content, other products are not included. Note: Light shooting 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.