Denver Dias, as part of his undergraduate studies, set out to create a new interface to help with environmental ... vibrating boxes that you put in your pockets. An Arduino polls the ultrasonic ...

As you might have noticed, the most popular version of the module (comprised of an ultrasonic transmitter, ultrasonic receiver, and control electronics) has four interface pins ... of some well-worn ...

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 ...

Inside [Klaus]’ device is an Arduino Uno, an HC-SR04 ultrasonic distance sensor, and an Adafruit Wave Shield. Originally, this parking/distance sensor used a small TFT to display the distance to ...