<p>Based on the For 40PIN GPIO interface design, suitable for series motherboards and Nano</p> <p>I2C interface control, only 2 signal lines are needed to achieve servo drive</p> <p>Support up to 16 servos or PWM outputs, 12-bit resolution (4096 levels) per channel</p> <p>Onboard 5V voltage regulator chip, output up to 3A current, can be connected to the battery through the VIN terminal</p> <p>Onboard standard servo interface, can be connected to SG90, , and other common servos</p> <p>Reserved I2C control interface for easy access to other main control boards</p> <p>Power supply voltage: 5V ( interface) or 6V-12V (VIN terminal)</p> <p>Servo voltage: 5V</p> <p>Logic voltage: 3.3V</p> <p>Driver chip: PCA9685</p> <p>Control interface: I2C</p> <p>Product size: 65mm x 30mm</p> <p>Via diameter: 3.0mm</p> <p>Compatible and can be directly connected to the following products: SG90 Servo, Servo, Servo</p> <p>Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use.</p> <p>Color: As Shown</p> <p>Material: PCB</p> <p>Package Contents:</p> <p>1 * Servo drive board</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>