We’ve gotten used to the GPIO-available functions ... the Raspberry Pi 4 has six SPI controllers, six I2C controllers, and six UARTs – all on its 40-pin header. You can’t make use of all ...

Figure 4: Functional Flow Diagram The GPIO agent has access to the ... Generally, there are multiple GPIO pins on a single chip for the use of multiple interactions, so we see the simultaneous ...

Consultancy has designed a simple board called the Pico Indicator to add LEDs to the GPIO and power pins of the Raspberry Pi ...