1.. zephyr:code-sample:: lp5569 2 :name: LP5569 9-channel LED controller 3 :relevant-api: led_interface 4 5 Control 9 LEDs connected to an LP5569 driver chip. 6 7Overview 8******** 9 10This sample controls 9 LEDs connected to an LP5569 driver. The sample turns 11all LEDs on and switches all LEDs off again within a one second interval. 12 13Building and Running 14******************** 15 16Build the application for the :ref:`nrf52840dk_nrf52840` board, and connect 17a LP5569 LED controller on the bus I2C0 at the address 0x32. 18 19.. zephyr-app-commands:: 20 :zephyr-app: samples/drivers/led_lp5569 21 :board: nrf52840dk_nrf52840 22 :goals: build 23 :compact: 24 25For flashing the application, refer to the Flashing section of the 26:ref:`nrf52840dk_nrf52840` board documentation. 27 28.. code-block:: none 29 30 *** Booting Zephyr OS build zephyr-v3.3.0 *** 31 [00:00:00.361,694] <inf> app: Found LED device lp5569@32 32 [00:00:00.361,694] <inf> app: Testing 9 LEDs .. 33 34References 35********** 36 37- LP5569 Datasheet: https://www.ti.com/product/de-de/LP5569 38