Raspberry Pi 3 Gpio Pinout
2x 5v power pins.
Raspberry pi 3 gpio pinout. The second revision of the pi 1 has a slight change to its gpio pinout. Raspberry pi gpio pinout. Any of the gpio pins can be designated in software as an input or output pin and used for a wide range of purposes. Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header.
Hardware interfaces for the raspberry pi 2 and raspberry pi 3 are exposed through the 40 pin header j8 on the board. It also includes dozens of pinouts for raspberry pi add on boards hats and phats. Newer computers and game consoles have replaced the old machines where most of us learned to program. Raspberry pi pinout diagram circuit notes how to navigate your raspeberry pi 3 model b if you build it they will program.
Raspberry pi 1 revision 2 pinout. The comprehensive gpio pinout guide for the raspberry pi. 2x 3 3v. Support pinout xyz on patreon.
This gpio pinout is designed to be both a quick and interactive reference to the raspberry pi gpio pins plus a comprehensive guide to your raspberry pi s gpio interfaces. The raspberry pi has 40 gpio pins that connect to sensors lights motors and other devices. Over the years the header has expanded from 26 pins to 40 pins while maintaining the original pinout. 1x serial uarts rpi3 only includes mini uart 2x spi bus.
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. 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. The raspberry pi 3 model b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins. This change was a result of a modification made to the raspberry pi s cpu.
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. By les pounder 16 june 2020. The older iterations of the rpi such as the raspberry pi model b will only contain a total of 26pins. A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w.
Raspberry pi 2 3 pin mappings. 24x gpio pins. What each pin does on pi 4 earlier models. 5 minutes to read.
1x i2c bus. The bcm numbering for the i2c pins changed from 0 and 1 to 2 and 3. Explaining the raspberry pi gpio pinout ref.