While early scientists and inventors famously underestimated the value of radar, through the lens of history we can see how useful it became. Even though radar uses electromagnetic waves to detect ...

However, the Arduino ... sensor isn't exactly the best utilization for the board, as you won't be maximizing its potential.

With a standard old HC-SR04 ultrasonic sensor, an audio module ... As simple as this project may sound like for anyone who has a bunch of these little Arduino-compatible modules lying around ...

This classic product is one of the most basic boards in the Arduino ... beginner projects the board can do. There are simple applications like a piano made out of ultrasonic sensors, a tissue ...