| .. _adafruit_ltr329: |
| |
| Adafruit LTR-329 Shield |
| ####################### |
| |
| |
| Overview |
| ******** |
| |
| The `Adafruit LTR-329 Light Sensor Shield`_ features a `LiteOn LTR-329ALS-01 Digital Light Sensor`_ |
| and two STEMMA QT connectors. |
| |
| .. figure:: adafruit_ltr329.webp |
| :align: center |
| :alt: Adafruit LTR-329 Shield |
| |
| Adafruit LTR-329 Shield (Credit: Adafruit) |
| |
| |
| Requirements |
| ************ |
| |
| This shield can be used with boards which provide an I2C connector, for example STEMMA QT or |
| Qwiic connectors. The target board must define a ``zephyr_i2c`` node label. See :ref:`shields` for |
| more details. |
| |
| |
| Pin Assignments |
| =============== |
| |
| +--------------+-----------------------+ |
| | Shield Pin | Function | |
| +==============+=======================+ |
| | SDA | LTR-329 I2C SDA | |
| +--------------+-----------------------+ |
| | SCL | LTR-329 I2C SCL | |
| +--------------+-----------------------+ |
| |
| See :dtcompatible:`liteon,ltr329` for documentation on how to adjust the devicetree file, to for |
| example adjust the integration time. |
| |
| |
| Programming |
| *********** |
| |
| Set ``--shield adafruit_ltr329`` when you invoke ``west build``. For example when running the |
| :zephyr:code-sample:`light_sensor_polling` light measurement sample: |
| |
| .. zephyr-app-commands:: |
| :zephyr-app: samples/sensor/light_polling |
| :board: adafruit_metro_rp2040 |
| :shield: adafruit_ltr329 |
| :goals: build |
| |
| .. _Adafruit LTR-329 Light Sensor Shield: |
| https://learn.adafruit.com/adafruit-ltr-329-ltr-303 |
| |
| .. _LiteOn LTR-329ALS-01 Digital Light Sensor: |
| https://optoelectronics.liteon.com/upload/download/DS86-2014-0006/LTR-329ALS-01_DS_V1.8.PDF |
