Connect to the Arduino bluetooth module ('HC-05' for me). To enable the system, send the number 1 through bluetooth to the Arduino. To disable -- 0. (I entered 'Switch Mode' on the controller and ...
How Install HC-SR04lib in your arduino ?? Clone all the repo in your machine or download in zip , and go to ReleaseLib folder and import HC_SR04_lib_05-22-16.zip in your Arduino IDE ...
Being able to measure ducted airflow cheaply and non-intrusively, like with this ultrasonic ... into a functional sensor. [ItMightBeWorse] is using readily available HC-SR04 sensor boards and ...
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