Tis the season when students head back to college/university. Electronic Design has the lowdown on some nice deals on ...

This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...

LED VU meters are popular devices, especially for those people who love music. With this device, you can easily look at the level of sound with a glance at the LEDs. if you are thinking about making ...

const uint8_t OUTER_START = 0; // When the outer ring starts const uint8_t OUTER_END = 24; // When the outer ring ends + 1 (for looping) const uint8_t CENTER_START = 24; // When the center ring starts ...

An analog VU (volume unit) meter is a splendid moving-coil measuring instrument. It is a passive electromechanical device displaying a representation of the signal level in an audio equipment. Even ...

7. LED Wearable LED wearables are a great way to add some fun and flair to your wardrobe. The Arduino can be used to power a variety of LEDs that can be embedded in clothing, jewelry, or accessories.

1-32 — elektor january 1981 the big VU meter ... Many designsfor digital (LED) VU meters have found their way into the pages of Elektor in the past. This type of meter is normally used to monitor ...

This circuit senses AC audio voltage supplied to the car-radio loudspeakers and displays it as power using a LED bar graph, achieving at the same time an attractive visual effect. It is designed to ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. One thing teenagers love is playing loud music. Another ...