This Nano Multi-Function expansion board is designed especially for Nano, solves the problem of wiring confusing when a variety of sensors connected. Nano Breakout Board Lead out all digital IO port and analog IO port, each one with standard positive and negative power interface. Arduino Nano Sheild Lead out the I2C interface of the mainboard for a convenient connection. Arduino Nano Prototype Board is Increasing the DC power supply interface. Nano USB interface supply current is actually only 50MA, to bring high-current devices, such as the steering, is obviously insufficient. So in the DC power connector provide external power supply to ensure the stability of equipment operation.
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