Raspberry Pi 3 Model B Gpio Pinout
The raspberry pi 3 model b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins.
Raspberry pi 3 model b gpio pinout. What each pin does on pi 4 earlier models by les pounder 16 june 2020 the raspberry pi has 40 gpio pins that connect to sensors lights motors and other devices. Newer computers and game consoles have replaced the old machines where most of us learned to program. 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. Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header.
This offers and increase of 14 pins over the 26 pin header on the original raspberry pi. Rev 1 pi alternate bcm numbers for the original 26 pin model a and b pi. Raspberry pi gpio layout pi 1 model b revision 1. Raspberry pi 3 model b gpio 40 pin block poe header pinout pi3 gpio png 240 3 kb view download 840491 views.
Last modified by christopher stanton on oct 23 2019 4 29 am. The pin marked p1 is pin 1 and provides 3 3v 50ma max. Even numbers on the top row and odd numbers on the bottom row. Any of the gpio pins can be designated in software as an input or output pin and used for a wide range of purposes.
Raspberry pi 4 model b default gpio pinout with poe header version 8 created by christopher stanton on jun 10 2019 10 28 am. Raspberry pi gpio pinout. Feel free to print embed share or hotlink this image and don t forget to credit us. Raspberry pi gpio layout model b.
One of the most significant changes to the raspberry pi model b is the 40 pin header j8. P1 pinout 26 pin header the diagram below illustrates the gpio pinout using the pi4j. We ve whipped up a simple graphical raspberry pi gpio pinout. The raspberry pi model b board revision 2 0 contains both a 26 pin expansion header labeled as p1 providing access to 17 gpio pins and an 8 pin expansion header labeled as p5 providing an additional 4 gpio pins for a total of 21 gpio pins.
Raspberry pi b gpio header details and pinout 14. By matt on july 18 2014 model b. If you re looking for the new raspberry pi 3 model b then you can find that here. 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.
Note how the numbering works. A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w.