.. zephyr:code-sample:: pca9633 :name: PCA9633 LED :relevant-api: led_interface Control 4 LEDs connected to a PCA9633 driver chip. Overview ******** This sample controls 4 LEDs connected to a PCA9633 driver, using the following pattern: 1. turn on LEDs 2. turn off LEDs 3. set the brightness to 50% 4. turn off LEDs 5. blink the LEDs 6. turn off LEDs Building and Running ******************** Build the application for the :ref:`nucleo_f334r8_board` board, and connect a PCA9633 LED driver on the bus I2C Arduino. .. zephyr-app-commands:: :zephyr-app: samples/drivers/led_pca9633 :board: nucleo_f334r8_board :goals: build :compact: For flashing the application, refer to the Flashing section of the :ref:`nucleo_f334r8_board` board documentation. References ********** - PCA9633: https://www.nxp.com/docs/en/data-sheet/PCA9633.pdf