The magnetic induction angle measurement sensor module possesses high accuracy for stable work.Multiple output modes: IIC, PWM, voltage, etc. VCC: 3.3V; GND: Power Ground; Out: PWM /Analog voltage output DIR: Rotational direction (ground=Value increases clockwise; thenVCC =Clockwise values are decreased) SCL: IICThe communication clock line; SDA: IICData communication line; GPO: Mode selection (internal pull ground=Programming modeB) Material:plastic colour:White Package Contents: 16 x AS5600 Magnetic Encoder Only 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.