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Move to CMake 3.20.0. At the Toolchain WG it was decided to move to CMake 3.20.0. The main reason for increasing CMake version is better toolchain support. Better toolchain support is added in the following CMake versions: - armclang, CMake 3.15 - Intel oneAPI, CMake 3.20 - IAR, CMake 3.15 and 3.20 Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
.. _dht: DHT: Aosong DHT Digital-output Humidity and Temperature Sensor ############################################################## Description *********** This sample application periodically (0.5 Hz) measures the ambient temperature and humidity. The result is written to the console. Wiring ******* This sample uses an external breakout for the sensor. A devicetree overlay must be provided to identify the sensor variant and the GPIO used to control the sensor. Building and Running ******************** After providing a devicetree overlay that specifies the sensor location, build this sample app using: .. zephyr-app-commands:: :zephyr-app: samples/sensor/dht :board: nrf52dk_nrf52832 :goals: build flash Sample Output ============= .. code-block:: console *** Booting Zephyr OS build zephyr-v2.1.0-329-g38418b26c4cc *** [0:00:00.027]: 20.0 Cel ; 48.7 %RH [0:00:02.053]: 19.8 Cel ; 48.7 %RH [0:00:04.079]: 20.0 Cel ; 48.7 %RH [0:00:06.105]: 19.8 Cel ; 48.7 %RH [0:00:08.130]: 20.0 Cel ; 48.8 %RH [0:00:10.156]: 20.1 Cel ; 48.8 %RH [0:00:12.182]: 19.7 Cel ; 48.7 %RH [0:00:14.207]: 20.0 Cel ; 48.8 %RH <repeats endlessly>