Raspberry Pi Model B Pin Diagram
These are the small numbers next to the header e g.
Raspberry pi model b pin diagram. Raspberry pi pinout diagram circuit notes how to navigate your raspeberry pi 3 model b if you build it they will program. Eben upton talks about the new raspberry pi 4 model b want to buy the. The raspberry pi 2 uses a new processor model so some pin additional functions may have changed. The 0 1 spaced 40 pin gpio header on the pi gives you access to 27 gpio uart i 2 c spi as well as 3 3 and 5v sources.
The raspberry pi 3b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins. Now that there are raspberry pi boards in the wild we thought it would be a good time to share our schematics with the world. These are shown as a tooltip when you mouseover a pin. Raspberry pi 4 model b default gpio pinout with poe header.
The genesis of the raspberry pi came from a few college students concerned about the dwindling number and skills of students applying to study computer science. Pins 1 2 39 40 are also labeled below j8 pinout 40 pin header. Note that the schematic for the raspberry pi 2 model b has not been released so we are unable to confirm if there are any changes to the specific signals used on the display and camera connectors. Pins 1 2 39 40 are also labeled below j8 pinout 40 pin header the diagram below illustrates the gpio pinout using the pi4j wiringpi gpio numbering scheme.
Wiringpi for gordon henderson s wiring pi library. In addition to giving you an idea of how the device works internally these should also provide the information you need to build add on boards which attach to the gpio expansion connector and in due course the display and camera connectors. Each pin on the gpio header is identical. Do you know your pi from pie.
Raspberry pi 4 model b frequently asked questions faq benchmarking the raspberry pi 4 model b. Rev 1 pi alternate gpio bcm numbers for the original 26 pin model a and b pi. Physical or board correspond to the pin s physical location on the header. Model b raspberry pi 2 model b model b model a model a cmdk processor chipset broadcom bcm2837 64bit armv7 quad core processor powered single.
The raspberry pi 2 model b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins.