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When making Raspberry Pi projects or learning to use Raspberry Pi for Python programming, we may often need to check its Pinout Table to find out the BCM and WiringPi code corresponding to the related GPIOs, which is time-consuming and inefficient. Now in order to solve this problem, we designed a Raspberry Pi expansion hat with detailed Pinout information.
This IO expansion hat, specially developed for Raspberry Pi, is perfectly compatible with Raspberry Pi 5, Raspberry Pi 400, Raspberry Pi 4, and Raspberry Pi 3. All IO ports of Raspberry Pi are led out one by one. Most importantly, the hat provides 40PIN comparison silkscreens that contain detailed BCM code and WPI code information, which saves the trouble of frequently checking pin comparison table when programming with Pi.
There are two ways to use the expansion board:
