Raspberry Pi Zero Gpio Pin Layout

A powerful feature of the raspberry pi is the row of gpio general purpose input output pins along the top edge of the board. Support pinout xyz on patreon. These pins offer connections to the system on chip soc which can be used to communicate and control with electronic.

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The header provides 5v on pin 2 and 3 3v on pin 1.

Raspberry pi zero gpio pin layout. Pins 1 2 39 40 are also labeled below click here for hi resolution image j8 pinout 40 pin header. The io pi zero expander is powered through the host raspberry pi using the gpio port and extended pins on the gpio connector allow you to stack the io pi zero. To confuse things even more the gpio pins are sometimes renamed with another set of numbers. 24x gpio pins.

Gpio header power pins. A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w. The gpio is an important part of the raspberry pi more so for the pi zero. 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.

The raspberry pi has 40 gpio pins that connect to sensors lights motors and other devices. The most intriguing difference for hackers and makers is that the pi zero does not come with the soldered gpio header. The comprehensive gpio pinout guide for the raspberry pi. The raspberry pi zero w board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins.

Partially this is to save cost but it also allows the pi zero to be very thin and gives you the option of embedding it easily into a project box. The board is based around the mcp23017 16 bit i o expander from microchip technology inc. 1x i2c bus. It also includes dozens of pinouts for raspberry pi add on boards hats and phats.

Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header. 2x 3 3v. The io pi zero is a 16 channel digital expansion board designed for use on the raspberry pi zero. Here s a map and detailed explanation of what each does including on the pi 4.

In order to avoid damaging your pi you need to be sure what pins you are connecting to other hardware and that your program is referring to the correct pins. 5 minutes to read. 1x serial uarts rpi3 only includes mini uart 2x spi bus. Raspberry pi 2 3 pin mappings.

Hardware interfaces for the raspberry pi 2 and raspberry pi 3 are exposed through the 40 pin header j8 on the board. 2x 5v power pins.