Specification: _x005f_x000D_ Pin Description _x005f_x000D_ I/O port _x005f_x000D_ 14 digital pins, including 6 PWM function pins _x005f_x000D_ 8 analog pins _x005f_x000D_ _x005f_x000D_ On board LED, reset button, and power external port _x005f_x000D_ Red LED - Power indication _x005f_x000D_ Yellow LED - connected to pin D13 _x005f_x000D_ RESET reset button _x005f_x000D_ 5V external power port _x005f_x000D_ _x005f_x000D_ Product size: 57 * 55mm/2.24 * 2.16in _x005f_x000D_ Net weight: 21g _x005f_x000D_ _x005f_x000D_ The Arduno Sensor Shield V5.0 sensor expansion board still adopts a layered design, and the motherboard not only extends all the digital and analog interfaces of Arduno in the form of servo wire sequence. The following interfaces are also specially designed: _x005f_x000D_ 1. IIC interface _x005f_x000D_ 2. Interface of servo controller _x005f_x000D_ 3. Bluetooth-compatible module communication interface _x005f_x000D_ 4. SD card module communication interface _x005f_x000D_ 5. APC220 wireless RF module communication interface _x005f_x000D_ 6. Ultrasonic sensor interface _x005f_x000D_ 7.12864 LCD serial and parallel interfaces _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Expansion Board 1. Stackable Design: The sensor shield is designed to be stackable and connect to the for Arduino R3 control board or its compatible boards, making it easy to use and perfect for beginners. 2. Powerful Expansion Capability: With a full range of I/O ports, including 14 digital ports (6 of which are PWM), and 8 analog ports, this sensor shield can easily expand the functionality of your for Arduino controller. 3. Easy to Use: This sensor shield simplifies circuitry, requiring only a single 3P universal sensor connection line for commonly used sensors, whether digital or analog. Once connected, you can easily read sensor data and process wireless module feedback through the for Arduino controller. 4. Convenient: The sensor shield includes two onboard LEDs, a reset button, and an external power supply port for added convenience.