Did You Know That The Raspberry Pi 4 Has More SPI, I2C, UART Ports?

We've gotten used to the GPIO-available functions of Raspberry Pi computers remaining largely the same over the years, which is why it might have flown a little bit under the radar: the Raspberry Pi 4

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Onboard SC16IS752, can expand 2 serial ports and 8 programmable IOs through I2C, without occupying extra pins. Expansion chip: SC16IS752. A serial

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Everything You Need to Know About the Raspberry Pi 4

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reRouter carrier board

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