The Raspberry Pi GPIO Pinout: Diagram & Explanation
https://raspberrytips.com/raspberry-pi-gpio-pinout/
WEBWhen you take the Raspberry Pi board in front of you with the USB ports at the bottom, the GPIO pin 1 is in the top-left corner. Number 2 is in the top-right corner (not below), and from there it goes from left to right, and the next line, as if reading a book. There are two lines of 20 pins, so 40 pins in total.
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