Raspberry Pi 3 Model B Pin Layout

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.
Raspberry pi 3 model b pin layout. Wiringpi for gordon henderson s wiring pi library. Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header. It can be considered as a single board computer that works on linux operating system. Any of the gpio pins can be designated in software as an input or output pin and used for a wide range of purposes.
You can work out all the other pins from there. 2x 3 3v. Raspberry pi 2 3 pin mappings. Eben upton talks about the new raspberry pi 4 model b want to buy the.
Which accessories are compatible with the new raspberry pi 4 model b. Any existing gpio hardware will work. Newer computers and game consoles have replaced the old machines where most of us learned to program. Rev 1 pi alternate gpio bcm numbers for the original 26 pin model a and b pi.
Raspberry pi 3 pin configuration. Do you know your pi from pie. Power source 5v 3 3v gnd and vin 5v power output 3. A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w.
5 minutes to read. Instead a new serial port dev ttys0 has been provided which is implemented with a software based uart miniuart. 2x 5v power pins. The raspberry pi 3 features the same 40 pin general purpose input output gpio header as all the pis going back to the model b and model a.
Raspberry pi 4 model b frequently asked questions faq benchmarking the raspberry pi 4 model b. 1x serial uarts rpi3 only includes mini uart 2x spi bus. These are shown as a tooltip when you mouseover a pin. Raspberry pi 3 model b.
This offers and increase of 14 pins over the 26 pin header on the original raspberry pi. These are the small numbers next to the header e g. Raspberry pi gpio layout pi 1 model b revision 1 the pin marked p1 is pin 1 and provides 3 3v 50ma max. 24x gpio pins.
Physical or board correspond to the pin s physical location on the 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. 1x i2c bus. Raspberry pi 3 pinout click the image to enlarge it raspberry pi 3 is a development board in pi series.
Hardware interfaces for the raspberry pi 2 and raspberry pi 3 are exposed through the 40 pin header j8 on the board.