Raspberry Pi Zero Gpio Pinout

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. 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. A 40 pin gpio header is found on all current raspberry pi boards unpopulated on pi zero and pi zero w.

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Raspberry pi zero gpio pinout. Raspberry pi spi pins. Every pi model since the raspberry pi b has had 40 gpio pins though on the pi zero and zero w you have 40 holes that. The board is based around the mcp23017 16 bit i o expander from microchip technology inc. The rs232 port is connected to the uart port on the raspberry pi using a max3232 interface.

Pins 1 2 39 40 are also labeled below. Below you can view the pinout for the raspberry pi 2 and newer. 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 servo pwm pi zero is a 16 channel 12 bit pwm controller for the raspberry pi suitable for driving leds and radio control servos.

What each pin does on pi 4 earlier models. The first 26 pins on the raspberry pi 2 and newer are the same as the raspberry pi 1 revision 2. Raspberry pi gpio pinout. Prior to the pi 1 model b 2014 boards comprised a shorter 26 pin header.

The board is based around pca9685 pwm i2c led controller ic from nxt and can drive each of the 16 outputs with 12 bit 4096 steps duty cycle from 0 to 100. Support pinout xyz on patreon. The comprehensive gpio pinout guide for the raspberry pi. The max3232 ic converts the 3 3v uart port to rs232 voltages allowing communication with rs232 compatible devices over a db9 serial cable or with the use of a null modem cable the board allows terminal access with linux on the raspberry pi using a.

Raspberry pi 2 3 and 4 pinout. The io pi zero is a 16 channel digital expansion board designed for use on the raspberry pi zero. The raspberry pi 2 3 4 and zero boards all feature a 40 pin gpio header. Servo pwm pi zero.

Known as the four wire serial bus spi lets you attach multiple compatible devices to a single set of pins by assigning them different chip select pins. The raspberry pi zero w board contains a single 40 pin expansion header labeled as j8 providing access to 28 gpio pins. The additional 24 pins were all introduced with the release of the.