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Raspberry Pi Pin Layout

There I was, messing about with GPIO pins on my Raspberry Pi 3 B+ recently and as usual could not remember the pin numbers. I stumbled on this image below - thanks to @pinout for this handy Raspberry Pi connector layout (see link to Raspberry Pi site further down) and to readers for links for prototyping boards. Indeed this started as a simple entry and is rapidly filling up with REALLY useful content and comments.


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