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Item Description
Features:
1.expansion board size: 40mm × 53.98mm 2.expansion board interface: 8pcs GPIO independent with power and ground (3.3V level) A SPI / I2C expansion interface: GND, 5V, 3.3V, SCL, SDA, MOSI, MISO, CLK, CS0, CS1 A standard RS232 serial port can be directly connected to a PC and other devices (raspberry pi provides ttl level serial ports do not support directly connected PC)
Package Include:
1pcs Raspberry pi GPIO RS232 Serial port expansion board V1.0 SPI/I2C interface Module
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