GPIO UART expansion board Module Raspberry Pi3B/2B/B + 40 Pin/2SPI/1I2C/RS232 U

GPIO UART expansion board Raspberry Pi 3B / 2B / B +, 40Pin, 2SPI, 1I2C, RS232. GPIO UART Shield V1.0 for Raspberry Pi 3B 2B, B +, 40Pins. 1 x GPIO UART Raspberry Pi expansion board. GPIO function expansion.

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