Content for HC-SR04

World’s Loudest Arduino Intruder alarm

“I am such a guy who loves his thing very much and specially i don’t like any one coming to my work space without my prior knowledge,mostly if the persons are my sibling or young kids.I need …

Arduino Distance Meter

“This a project I’ve been working for some time now. It is a device that shows in a little LCD display the distance to the nearest object it can find, usually the floor, the ceilling and two walls or …

Portable Ultrasonic Range Meter

“This device is a small, portable ultrasonic range meter using an ATMega328 microcontroller, an ultrasonic module and a 4x20 LCD for ranging distances in meters and inches.”

Balancing of a Ball on Beam using Arduino as a PID controller

“I used Arduino Uno as a PID controller to balance a small ping-pong ball on a 4-bar mechanism. And used Matlab to plot the position of the ball vs time.”

Vacuum Cleaning RC robot

“Hello everyone! In this instructable, I’m showing you how to DIY a Vacuum Cleaner RC Robot. Not only a Remote Controlled Vacuum Cleaner, it also includes 3D CAD, Programming, Algorithms, Mechanics, PCB CAD and Schematics. You can definitely edit …

Spread Spectrum Phased Array Sonar

“Motivated by success on other acoustic projects and by this brain transplant blog, a sonar project sprang to mind. A phased array sonar works in the same way as a phased array radar. Rather rotating the sensor to look direction …

Ultrasonic Piano

“Note: Above is a video - it may show as a photo only on some mobile devices. This is an ideal project for a science fair etc. - it’s not too difficult to construct, yet makes a playful interactive exhibit. The …