The purpose of this project is to use an ultrasonic sensor and a buzzer as a walking stick. When the ultrasonic sensor senses something close, the active buzzer will start to beep. The presentation ...

Likewise, the ultrasonic sensor would tell about the hindrance on the path. The stick will make sound of beep, frequency of which would increase as the hindrance would come nearer, he added.

Explaining the device's functionality, he said, "The stick is equipped with an Arduino Uno microcontroller and an ultrasonic distance sensor to detect obstacles. When an object is detected within ...

In 24 Oras' Game Changer feature by Martin Javier on Friday, an Arduino-based innovation was made by computer engineering students from STI College Ortigas-Cainta. The inventors are Harold Aldaba, ...