Raspberry Pi 3 B Gpio Pins
Raspberry pi 2 3 pin mappings.
Raspberry pi 3 b gpio pins. To confuse things even more the gpio pins are sometimes renamed with another set of numbers. Gpio header power pins. If you love pinout please help me fund new features and improvements. The older iterations of the rpi such as the raspberry pi model b will only contain a total of 26pins.
By matt on july 18 2014 model b. 5 minutes to read. Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header. Raspberry pi gpio layout model b.
A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w. Click to view larger image. Raspberry pi 3 model b. The header provides 5v on pin 2 and 3 3v on pin 1.
In order to avoid damaging your pi you need to be sure what pins you are connecting to other hardware and that your program is referring to the correct pins. The raspberry pi 3b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins. This gpio pinout is an interactive reference to the raspberry pi gpio pins and a guide to the raspberry pi s gpio interfaces. One of the most significant changes to the raspberry pi model b is the 40 pin header j8.
2x 3 3v. 2x 5v power pins. The earlier models such as the raspberry pi b have just 26 pins. This offers and increase of 14 pins over the 26 pin header on the original raspberry pi.
Pins 1 2 39 40 are also labeled below j8 pinout 40 pin header. Last modified by christopher stanton on jun 18 2019 11 47 am. Pi hardware raspberry pi 1 model b model b io pins note that we are not currently sure if the new pin 27 40 pwm1 gpclk1 and gpclk2 peripheral pin functions will be made accessible under raspbian and if so which pins they will be assigned to hence the duplicated pins shown with these functions. We have included all three iterations of the pi for the pinout diagram.
If you re using the raspberry pi b 2 zero 3 or the latest raspberry pi 4 model b you ll discover that your board have a total of 40 gpio pins. 1x i2c bus. The raspberry pi gpio pinout guide. Raspberry pi b gpio header details and pinout 14.
Hardware interfaces for the raspberry pi 2 and raspberry pi 3 are exposed through the 40 pin header j8 on the board. Raspberry pi 3 model b gpio 40 pin block poe header pinout version 5 created by christopher stanton on mar 8 2018 12 53 pm. If you re an owner of a raspberry pi b 2 zero or 3 then you will have 40 pins in total. 1x serial uarts rpi3 only includes mini uart 2x spi bus.
Explaining the raspberry pi gpio pinout ref. Any of the gpio pins can be designated in software as an input or output pin and used for a wide range of purposes.