# esp-idf-lib/tca6424a [](https://github.com/esp-idf-lib/tca6424a/actions/workflows//build.yml) [](https://github.com/esp-idf-lib/tca6424a/actions/workflows//build-docs.yml) [](https://github.com/esp-idf-lib/tca6424a/actions/workflows//validate-component.yml) Driver for TCA6424A low-voltage 24-bit I2C I/O expander. * [Documentation](https://esp-idf-lib.github.io/tca6424a/) * [Repository](https://github.com/esp-idf-lib/tca6424a) * [Issues](https://github.com/esp-idf-lib/tca6424a/issues) * [Discussions and questions](https://github.com/esp-idf-lib/core/discussions) * [Component page at the ESP Component Registry](https://components.espressif.com/components/esp-idf-lib/tca6424a) ## Installation ```sh idf.py add-dependency esp-idf-lib/tca6424a ``` ## Support For questions and discussions about the component, please use [Discussions](https://github.com/esp-idf-lib/core/discussions) at [esp-idf-lib/core](https://github.com/esp-idf-lib/core). ## Contributing Please read [CONTRIBUTING.md](https://github.com/esp-idf-lib/core/blob/main/CONTRIBUTING.md) at [esp-idf-lib/core](https://github.com/esp-idf-lib/core).
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idf.py add-dependency "esp-idf-lib/tca6424a^1.0.5"