Features micro:bit edge connector, directly pluggable I2C controlled, using only 2 pins Up to 16-Channel servo/PWM outputs, 12-bit resolution for each channel (4096 scales) Integrates 5V regulator, up to 3A output current, can be powered from battery through VIN terminal Standard servo interface, supports common used servo such as SG90, MG90S, MG996R, etc. Reserved I2C control pins, allows to work with other control boards Comes with development resources and manual (micro:bit graphical examples like Bluetooth/2.4G wir eless remote control) Specifications Power supply: 5V (POWER connector) OR 6V~12V (VIN terminal) Servo voltage: 5V Logic voltage: 3.3V Driver: PCA9685 Control interface: I2C Dimension: 65mm x 36mm Mounting hole size: 3.0mm *) servo not include