Distance Warning Device

Published: 24 March 2020
on channel: Leon van den Beukel

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The main purpose of this device is to make people aware of the distance they need to keep away from each other because of the Corona pandemic. Not everybody knows exactly what 1,5 meters (or 6 feet) is. With this simple device you can show them. Depending on where you live 1,5 meters or 6 feet is advised. You can easily change this in the source code (.ino file).

The device measures the distance between you and another person (or objects in general). If a person (or an object) is shorter than 1,5 meters away from you the red LED lights up and an alarm signal is played through the speaker. You can change the distance to 6 feet in code, just change the distance value from 150 to 180. To use it, press the button, wait for 1 or 2 seconds to start up and as long as you keep the button pressed the device is activated. Aim the two "eyes" to a person (or object) to check if the distance is below 1,5 meters.

Also, unless you really have to go outside: stay at home!

GitHub link with all sources:
https://github.com/leonvandenbeukel/D...

Usefull advice from the WHO:
https://www.who.int/emergencies/disea...

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