Raspberry Pi 3 B Pin Diagram Explanation

All the connectors and mounting holes are in the same place.

Raspberry pi 3 b pin diagram explanation. 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. In the diagram above you can find the number after gpio. Any existing gpio hardware will work. Raspberry pi pinout diagram circuit notes how to navigate your raspeberry pi 3 model b if you build it they will program.

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. Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header. For example on the raspberry pi 3 the pin below 3v3 is gpio2 so the number for this pin is 2 in bcm mode.

Raspberry pi 3 is a development board in pi series. Wiringpi for gordon henderson s wiring pi library. The raspberry pi 3b board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins. 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.

Any of the gpio pins can be designated in software as an input or output pin and used for a wide range of purposes. The board not only has tons of features it also has terrific processing speed making it suitable for advanced applications. A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w. Model a and model b.

How to set up respberry pi cassing. You ll encounter two models of the device. In terms of size it is identical to the b and pi 2. Gpio bcm gpio bcm is the b roadcom s oc c hannel numbering.

These are shown as a tooltip when you mouseover a pin. 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. These are the small numbers next to the header e g. The raspberry pi device looks like a motherboard with the mounted chips and ports exposed something you d expect to see only if you opened up your computer and looked at its internal boards but it has all the components you need to connect input output and storage devices and start computing.