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Hardware Raspberry Pi

Hardware


Raspberry Pi GPIO numbering
Abbildung 2:
Pin header numbering of the Raspberry Pi
When the Raspberry Pi appeared on the market on February 29th in 2012, omly 26 pins were accessible on pinheader 1. Later models (starting with model B+) have 40 pins. The picture shows a Model 3.

Pinout GPIOs

Remark GPOI no.
wiringPi 		Pin no. Pin no. GPOI no.
wiringPi 		Remark
+3.3V   P1-1 P1-2   +5V
SDA1, I2C 8 P1-3 P1-4   +5V
SCL1, I2C 9 P1-5 P1-6   Masse (Minus, GND)
GPIO_GCLK 7 P1-7 P1-8 15 TX_D0
    P1-9 P1-10 16 RX_D0
GPIO_GEN0 0 P1-11 P1-12 1 GPIO_GEN1
GPIO_GEN2 2 P1-13 P1-14   GND
GPIO_GEN3 3 P1-15 P1-16 4 GPIO_GEN4
3.3V   P1-17 P1-18 5 GPIO_GEN5
SPI_MOSI 12 P1-19 P1-20   GND
SPI_MISO 13 P1-21 P1-22 6 GPIO_GEN6
SPI_CLK 14 P1-23 P1-24 10 SPI_CE0_N
GND   P1-25 P1-26 11 SPI_CE1_N
ID_SD, I2C ID EEPROM 30 P1-27 P1-28 31 ID_SD, I2C ID EEPROM
  21 P1-29 P1-30   GND
  22 P1-31 P1-32 26  
  23 P1-33 P1-34   GND
  24 P1-35 P1-36 27  
  25 P1-37 P1-38 28  
GND   P1-39 P1-40 29  




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