# Espressif Serial Slave Link (ESSL) Library [](https://components.espressif.com/components/espressif/esp_serial_slave_link) It's used on the HOST, to communicate with ESP chips as SLAVE via SDIO or SPI slave HD mode. ## Documentation For detailed information about the Espressif Serial Slave Link component, including API reference and user guides, please visit: - **Programming Guide & API Reference**: [Espressif Serial Slave Link Documentation](https://espressif.github.io/idf-extra-components/latest/esp_serial_slave_link/index.html)
69beec7d51591f06dad83f1ed3dd65a3a2e846ce
idf.py add-dependency "espressif/esp_serial_slave_link^1.1.0~1"