1, 8 port(2x4) RJ45 8P8C sockets, with the module you can easily connect Raspberry Pi GPIOs and Power supply to peripheral devices through the RJ45 connector. The module support all 40pin Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B Zero, Zero-W.
2, Each RJ45 port is connected Power Supply and GND. Each RJ45 can independently choose from the Raspberry Pi 5V / 3.3V, or from blue terminal block, to supply power to external devices. The 4 5 pin of all RJ45 ports are connected to the power supply(VCC, V+), and 7 8 pin connected to GND(0V).
3, RJ45 GPIO connects:
Port 1: UART(RXD TXD) GPIO17 GPIO4.
Port 2: SPI(SCLK CE0 MISO MOSI).
Port 3: GPIO6 GPIO12 GPIO5 CE1.
Port 4: GPIO21 GPIO26 GPIO20 GPIO19.
Port 5: I2C(SDA, SCL) GPIO18 GPIO27.
Port 6: I2C(SDA, SCL) GPIO23 GPIO22.
Port 7: I2C(SDA, SCL) GPIO24 GPIO25.
Port 8: I2C(SDA, SCL) GPIO13 GPIO16.
4, 2x20pin expansion pin header, pin height 10mm/0.39"
5, Packing list: 1x RJ45 breakout board, 4x brass standoffs, 8x M2.5x6 screws, 8x pin jumpers. (the item not include Raspberry Pi, RJ45 cable and plug)
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