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A simple social distancing indicator using ARDUINO-UNO.
link to tinkercad : https://www.tinkercad.com/things/kraj6W3L6a7-socialdistancingindicator
The Arduino Uno is an open-source microcontroller board based on the Microchip ATmega328P microcontroller and developed by Arduino.cc. The board is equipped with sets of digital and analog input/output pins that may be interfaced to various expansion boards and other circuits