> Complete documentation index: [llms.txt](/llms.txt). Markdown versions of all pages are available by appending `.md` to page URLs.

# Protocol Activation

> Guided tour of switching protocols in Mission Control 2 on a Nova, including the Pin conflict warning when SPI and I2C share pins.

:::caution
**Mission Control 2: legacy, for the Binho Nova.** For the Binho Supernova, the Binho Pulsar and the Binho Atira, use [Mission Control 3](/software/legacy/mission-control-2/).

:::

Dive into the interactive tour below to explore and experience switching protocols as if using a Binho Nova Host Adapter.

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The Navigation Menu on the left switches between the protocols the connected host adapter supports.

<iframe class="gb-embed" src="https://app.arcade.software/share/ZGVjeeWU1oNVZRNxEnwH" title="Interactive demo" frameborder="0" loading="lazy" allow="clipboard-write; fullscreen" allowfullscreen></iframe>

Activating SPI and then I2C shows the warning 'Pin conflict: shutting SPI down'. The Nova has one port for all protocols, and some pins overlap between protocols, so the app shuts down the conflicting protocol.

However, such an issue is absent in the Supernova host adapter. This is because the Supernova boasts four distinct ports: 1 QWIIC I2C, 1 I2C/UART/SPI/GPIO, 1 LV I3C, and 1 HV I3C, eliminating any potential for pin overlap and conflicts.