Raspberry Pi 3 Model B Gpio Pin Diagram

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. A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w. Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header.

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2x 3 3v.

Raspberry pi 3 model b gpio pin diagram. Introducing the new raspberry pi 4 model b 8gb re. This offers and increase of 14 pins over the 26 pin header on the original raspberry pi. 1x serial uarts rpi3 only includes mini uart 2x spi bus. Raspberry pi pinout diagram circuit notes how to navigate your raspeberry pi 3 model b if you build it they will program.

Physical or board correspond to the pin s physical location on the header. 1x i2c bus. 5 minutes to read. If you re looking for the new raspberry pi 3 model b then you can find that here.

2x 5v power pins. The only change is a switch to which uart is exposed on the gpio s pins but that s handled internally by the operating system. Images embedded in comments not showing in chrome comment on august 2019 site update win a raspberry pi 4 in celebration of our 10th birthday. Rev 1 pi alternate gpio bcm numbers for the original 26 pin model a and b pi.

Hardware interfaces for the raspberry pi 2 and raspberry pi 3 are exposed through the 40 pin header j8 on the board. 24x gpio pins. You can work out all the other pins from there. Gpio the raspberry pi 3 features the same 40 pin general purpose input output gpio header as all the pis going back to the model b and model a.

These are the small numbers next to the header e g. Wiringpi for gordon henderson s wiring pi library. 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. Any existing gpio hardware will work without modification.

Raspberry pi 3 model b gpio 40 pin block poe header pinout. The raspberry pi 3 model b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins. Which accessories are compatible with the new raspberry pi 4 model b. Newer computers and game consoles have replaced the old machines where most of us learned to program.

These are shown as a tooltip when you mouseover a pin. Graphic showing the gpio pin breakout on the raspberry pi 3 model b. Raspberry pi gpio layout pi 1 model b revision 1 the pin marked p1 is pin 1 and provides 3 3v 50ma max. Raspberry pi gpio layout model b one of the most significant changes to the raspberry pi model b is the 40 pin header j8.

Raspberry pi 2 3 pin mappings. Any of the gpio pins can be designated in software as an input or output pin and used for a wide range of purposes.