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 ...

Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got the ...