Gpio pins are digital which means they can have two states off or on.
Gpio header pins.
The gpio header provides the following power and interface options.
Raspberry pi 40 pin gpio header.
These are the small numbers next to the header e g.
Here is the raspberry pi 4 default gpio pinout for the 40 pin j8 header.
You ll use these with rpi gpio and gpio zero.
All other pins except power and ground are assigned as gpio.
Click the image for an enlarged version.
A powerful feature of the raspberry pi is the row of gpio general purpose input output pins along the top edge of the board.
Jetson xavier nx gpio header j12 pinout by default i2c and uart pins are assigned.
The raspberry pi zero s gpio interface is shipped without a soldered header.
These are the big numbers e g.
However did you know that they are configurable.
Wiringpi for gordon henderson s wiring pi library.
This is the configuration of the pins as you ll receive it when you first boot up raspbian or noobs with raspbian.
The gpio is the most basic yet accessible aspect of the raspberry pi.
The gpio header also consists of.
Pwm pulse width modulation i2c.
3 3v on 2 pins 5v on 2 pins ground on 8 pins general purpose input and output.
Pins labeled with other functions below are suggested functions.
A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w.
Geeekpi micro connectors raspberry pi 40 pin gpio 1 to 2 expansion board 2 x 20 pin strip dual male header double row straight gpio connector pin header compatible with raspberry pi 5 0 out of 5 stars 3.
They can have a direction to receive or send current.
Gpio general purpose input output aka bcm or broadcom.
Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header.
Physical or board correspond to the pin s physical location on the header.
Amazon s choice for raspberry pi gpio header frienda break away 0 1 inch 2 x 20 pin strip dual male header double row straight connector pin header compatible with raspberry pi zero gpio pack of 20 4 8 out of 5 stars 27.
The raspberry pi zero comes with a 40 pin general purpose input output gpio header that is arranged in two rows of 20 pins.
