The closer you are to an obstacle, the more frequent and/or powerful the vibrations are. At the heart of it is an Arduino Mega 2560 controller, and it runs off a single 9V battery.

10:27 am March 6, 2019 By Julian Horsey Makers, Arduino enthusiasts and students looking to learn more about ultrasonic sensors, may be interested in this DIY Arduino radar created by Mr Innovative.

Using an Arduino Due development board Kerry Wong has created an awesome Arduino -controlled single pixel scanner, using the skeleton of a hacked HP 7044A plotter to scan images.

Cheap, high-quality PCBs are truly a wonder of our age. That a professionally fabricated board with silkscreen and solder mask can be ordered online and delivered to your door has lowered the bar b… ...

The Arduino has long since proven itself to be one of the biggest boons to DIY heads since the soldering iron, but that doesn't mean it's not still able to impress, as amply demonstrated by this ...