Pi4J (by default) uses an abstract pin numbering scheme to help insulate software from hardware changes. Pi4J implements the same pin number scheme as the Wiring Pi project.

Unfortunately the BCM numbers changed between versions of the Pi1 Model B, and you'll need to work out which one you have guide here. So it may be safer to use the BOARD numbers if you …

Dec 27, 2023 · In this guide, I’ll provide you with a deep dive into the Raspberry Pi‘s BCM pin numbering scheme. You’ll gain the insight you need to comfortably navigate between BOARD …

Mar 9, 2024 · Based on the statements above, if you have a fully loaded CM4 (EMMC and Wireless). The GPIO functions used internally and therefore not available are: 1. UART0 (not a …

Apr 7, 2015 · As stated in the documentation, Note that GPIO.cleanup() also clears the pin numbering system in use. What you want is GPIO.cleanup(channel) instead, where channel …

Mar 31, 2020 · Two kinds of pin numbering in Raspberry Pi are explained, BCM and BOARD IO pin out diagrams are displayed in this post. BOARDS pin is widely used everywhere for the …

Explore our comprehensive and accurate pinout diagram and technical information for the Raspberry Pi Compute Module 4 GPIO. Unlock the full potential of your single-board computer …

Dec 27, 2015 · I realize that there may be good reasons to prefer the wiringPi numbering scheme over BCM_GPIO, but for the sake of knowing how it's done, how would I change blink.c to use …

Jun 14, 2025 · Raspberry Pi BCM pin numbering explained with examples, pitfalls, and best practices for hardware projects.

Nov 2, 2017 · http://pinout.xyz give a view of the GPIO connector and describes the possible functions and BCM numbers of every pin, as well as the WiringPi designations.