Digital potentiometers (pots) offer advantages for audio volume (gain) control applications and can replace bulky mechanical pots, especially in handheld portable devices such as MP3 players, PDAs, ...

We connected the DS1801 to our Bus Pirate universal serial interface tool as shown in the table. We used the Bus Pirate to demonstrate this chip, but the same basic procedures apply to any ...

This design idea details how a standard volume control can be replaced by its solid-state equivalent. Digital potentiometers are often advertised as replacements for rotary volume controls. To ...

Milpitas, Calif. – A digitally programmable dual 32-tap potentiometer IC from Xicor Inc. enables full digital control of audio volume via front-panel pushbuttons or remote control, eliminating the use ...

A lot of headphones today come with volume control built in on the wire. If your headphones didn't, though, you can craft your own with a few basic, salvagable electronics. There are actually two ways ...

A regular Hack A Day reader sent in a tip about an LM386 stero amplifier with digital volume control. The resulting build is very professional and could easily be adapted into a slick iPod dock build.

Q I have several table radios that have developed a problem with the volume-control knob. Touching the dial causes static noise along with difficulty in adjusting volume. What causes this problem, and ...