The PCB board is designed for the Raspberry Pi Pico development board. Note: the Raspberry Pico is not included and the product needs to be welded by itself Pico interface design based on raspberry pie can be directly inserted for use after welding row needles It also integrates communication ports, such as three analog ports, 6.5-12V digital interfaces, and serial port debugging ports This board simplifies the circuit and is easy to connect with the sensor There are 26 GPIO pins, you can create what you want