“A practical device for automatic measuring human height.
When I noticed that my kids were measuring their height every day, I got the idea to make such a device. To find out your height, all you have to do is stand under the device and activate a sound that indicates that your height has been measured.
It is very easy to build and consist only a few components:
-HC SR04 ultrasonic sensor
Now let’s explain how it works:
First we need to install the device with the help of double-sided adhesive at a certain height, which is previously defined in the code, and is marked with the letter H on the picture”