The GPIO extension kit is used for extending the GPIO interface on Raspberry Pi B+, it helps you break out all those tasty power, GPIO, I2C and SPI pins from the 40 pin header of Raspberry Pi B+ onto a breadboard.
Corresponding Interface:
- Pin1 - 3V3
- Pin2 - 5V
- Pin3 - SDA
- Pin4 - 5V
- Pin5 - SCL
- Pin6 - GND
- Pin7 - GPIO4
- Pin8 - TXD
- Pin9 - GND
- Pin10 - RXD
- Pin11 - GPIO17
- Pin12 - GPIO18
- Pin13 - GPIO27
- Pin14 - GND
- Pin15 - GPIO22
- Pin16 - GPIO23
- Pin17 - 3V3
- Pin18 - GPIO24
- Pin19 - SPIMOSI
- Pin20 - GND
- Pin21 - SPIMISO
- Pin22 - GPIO25
- Pin23 - SPISCLK
- Pin24 - SPICS0
- Pin25 - GND
- Pin26 - SPICS1
- Pin27 - EEDATA
- Pin28 - EECLK
- Pin29 - GPIO5
- Pin30 - GND
- Pin31 - GPIO6
- Pin32 - GPIO12
- Pin33 - GPIO13
- Pin34 - GND
- Pin35 - GPIO19
- Pin36 - GPIO16
- Pin37 - GPIO26
- Pin38 - GPIO20
- Pin39 - GND
- Pin40 - GPIO21