The 3v pin is used to provide a stable 3.3v supply to external components See the pinout table, functions, and peripheral interface options of. This gpio pinout is an interactive reference to the raspberry pi gpio pins, and a guide to the raspberry pi's gpio interfaces
Raspberry Pi 4 GPIO Pinout & Specifications (Updated)
Explore the raspberry pi 4 pinout with detailed explanations of gpio theory, power and ground distribution, communication interfaces (i²c, spi, uart), pwm pins, and safety considerations to.
Table 5 details the default pin pull state and available alternate gpio functions
Most of these alternate peripheral functions are described in detail in the bcm2711 peripherals specification document which. The raspberry pi has 40 gpio pins that connect to sensors, lights, motors and other devices Here's a map and detailed explanation of what each does, including on the pi 4. For example, raspberry pi 400 is the keyboard version of raspberry pi 4
For more detailed information about raspberry pi keyboard computers, see keyboard computers The first generation of raspberry pi. Learn how to connect electronic components like leds and sensors to the raspberry pi 4 model b and other versions with 40 gpio pins
