I have already made some devices using SeeedStudio’s Seeeduino Nano microcontroller boards and Grove Sensors. In this post I am going to show you how to make a simple sound activated electronic switch ...

To capture an instant on film or sensor with a camera, you usually need a fast shutter. But alternately a flash can be triggered with the scene in the dark and the shutter wide open. It’s this latter ...

A smart city information kiosk with Audfly directional sound modules projects focused ultrasonic audio to a pedestrian, showcasing clear communication and effective noise control in public spaces. LOS ...

With the majority of safety systems featured into vehicles being dependent on some type of sensor, having one which works faster and better than the others might make the difference for the ...

Researchers are developing a new type of sensor that reacts to certain sound waves, causing it to vibrate. The sensor is a metamaterial that acquires its special properties through the structuring of ...

The DT9837A is a USB data-acquisition module for portable sound and vibration measurement and analysis. Four 24-bit IEPE (ICP) sensor inputs synchronize with a tachometer input to provide data streams ...

This post describes the preliminary results of a small Hall-Sensor module. This is widely known as KY-024 module. The KY-024 sensor module I got from an online retailer is inexpensive, and the ...