This is a simple circuit which produces a sound similar to the police siren and is built using NE555 Timer. Two 555 timers act as an astable multivibrator. Here is the simple circuit designed to ...

Here this circuit is based on the principle of audio amplification using operational amplifier and pulse width modulation using 555 Timer. In this article we are describing the principle, design and ...

Phononic circuits are emerging devices that can manipulate sound waves (i.e., phonons) in ways that resemble how electronic ...

The realities of wearing a mask when you go out, from forgetting the thing in the car to dealing with fogged up glasses, have certainly taken some getting used to for most of us. But not every issue ...

[fahadshihab], a young tinkerer, shared his circuit design for a simple remote control using 555 timers. Using a 555 calculator, he designed a clock circuit that would run at 11.99 Hz. Two transistors ...

ZVOX announced the Z-Base 555 and Z-Base 580 single-box speaker bar, designed to fit elegantly under flat-panel TVs and use only one connecting wire. Both new models deliver revolutionary features and ...

The Senior Pillbox aims to provide a low-cost, fully electronic circuit-based solution with minimal human intervention ...

The Zvox SoundBase 555 is a great way to add sound power to your home theater, but it's not particularly flexible. The soundbar has become one of the most popular ways to add speakers to an HDTV.

The Peugeot 9X8 EVO Hypercar is captured testing flat-out on the Monza circuit. Its raw twin-turbocharged V6 engine delivers a deep, aggressive sound during high-speed runs. This session showcases ...