The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for beginners without these tools.

In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Carnegie Mellon University researchers are using sound to help people with hand tremors, cerebral palsy, nervous system damage, and other fine-motor limitations enjoy video games.

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

Sound! It’s a thing you hear, moreso than something you see with your eyes. And yet, it is possible to visualize sound with ...

Researchers designed a novel heat pump that uses sound waves to move thermal energy, producing additional heat. The team from China produced an unprecedented amount of heat with their system, and ...

DELAND, Fla. — In a Volusia County warehouse, you can learn to calm your senses by laying on yoga mats and listening to the soothing vibrations of sound healing. Sound healing is an ancient wellness ...

The magic and charm of Rodgers-Hammerstein-Lindsay-Crouse 1959 stage hit are sharply blended in this filmic translation which emerges one of the top musicals to reach the screen. The Robert Wise ...