NANO and UNO multi-purpose expansion board
Shield for UNO or NANO
- 1 leads to all digital and analog IO port IO port, each IO port has positive and negative power supply interface standard
- 2 on the motherboard connection leads I2C interface, convenient and I2C devices
- 3 Increase DC power connector. USB interface, power supply current NANO board actually only 50MA, to bring high-current devices such as steering when it is clearly insufficient at this time to provide an external power supply DC power connector, ensure stable device operation.
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