Raspberry Pi 3 B Pinout
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Raspberry pi 3 b pinout. Raspberry pi 3 model b. The raspberry pi model b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins. The 5v power pins are connected directly to the pi s power input and will capably provide the full current of your mains adaptor less that used by the pi itself. Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header.
Pins 1 2 39 40 are also labeled below j8 pinout 40 pin header. Here is the raspberry pi 4 default gpio pinout for the 40 pin j8 header. This page aims to provide a set of information that should prove useful to anyone interfacing to these pins in their projects. If you love pinout please help me fund new features and improvements.
Newer computers and game consoles have replaced the old machines where most of us learned to program. With a decent power supply such as the official 3a adapter on the pi 4 you can expect to pull about 1a to 2a. The raspberry pi gpio pinout guide. This gpio pinout is an interactive reference to the raspberry pi gpio pins and a guide to the raspberry pi s gpio interfaces.
A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w. Pins 1 2 39 40 are also labeled below j8 pinout 40 pin header. Raspberry pi pinout diagram circuit notes how to navigate your raspeberry pi 3 model b if you build it they will program. Raspberry pi 3 model b gpio 40 pin block poe header pinout.
Click the image for an enlarged version. 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. This offers and increase of 14 pins over the 26 pin header on the original raspberry pi. Any of the gpio pins can be designated in software as an input or output pin and used for a wide range of purposes.
This is the configuration of the pins as you ll receive it when you first boot up raspbian or noobs with raspbian. The raspberry pi 3b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins.