Raspberry Pi 3b Pin Layout
1x i2c bus.
Raspberry pi 3b pin layout. Click the image for an enlarged version. It also includes dozens of pinouts for raspberry pi add on boards hats and phats. Raspberry pi pinout diagram circuit notes how to navigate your raspeberry pi 3 model b if you build it they will program. The pi either uses a 40 pin or 26 pin depending on the model and it is important to understand how those pins are arranged and labelled.
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. Newer computers and game consoles have replaced the old machines where most of us learned to program. To set the state of a gpio which is the exact same function in arduino to set the state of a digital pin.
To the point where many libraries use the same function name to actuate those pins. Here is the raspberry pi 4 default gpio pinout for the 40 pin j8 header. On the raspberry pi model 3b the hardware based serial uart device dev ttyama0 has been re purposed to communicate with the the built in bluetooth modem and is no longer mapped to the serial rx tx pins on the gpio header. 5 minutes to read.
The raspberry pi has 40 gpio pins that connect to sensors lights motors and other devices. 1x serial uarts rpi3 only includes mini uart 2x spi bus. For example wiringpi uses the void digitalwrite int pin int value. Here s a map and detailed explanation of what each does including on the pi 4.
Support pinout xyz on patreon. A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w. This is the configuration of the pins as you ll receive it when you first boot up raspbian or noobs with raspbian. Hardware interfaces for the raspberry pi 2 and raspberry pi 3 are exposed through the 40 pin header j8 on the board.
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. 2x 5v power pins. Raspberry pi 2 3 pin mappings. The board not only has tons of features it also has terrific processing speed making it suitable for advanced applications.
It can be considered as a single board computer that works on linux operating system. 2x 3 3v. Raspberry pi 3 is a development board in pi series. We often compare the raspberry pi 4 pins with the pins from the arduino boards.
24x gpio pins. The raspberry header is the key to its ability to interface with the real world.