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've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

An optocoupler tester is a small device that helps verify whether an optocoupler is functioning properly or has failed. In labs and repair work, optocouplers often fail without clear signs. They may ...

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

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 ...

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. But the research ...