stereo

Audio with Arduino

Stereo Audio with an Arduino

Recently I’ve been posting a lot of projects that use an 8 bit resistor ladder digital to analog converter(DAC) and an Arduino to make sound.  (see the Arduino vocal effects box, the Arduino drum sampler, and my audio output tutorial).  The technique I’ve been using to make these DACs is very simple, it requires only a handful of 10k and […]

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1960S STEREO CONSOLE GETS AN UPGRADE

1960S STEREO CONSOLE GETS AN UPGRADE

Faced with an old console stereo from the 1960s that was barely functional, [Sherman Banks] aka W4ATL decided to upgrade its guts while keeping its appearance as close to the original as possible. This stereo set is a piece of mahogany furniture containing an AM/FM stereo receiver and an automatic turntable from JCPenny’s Penncrest line. As best [Sherman] can

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Arduino project Stereo Peak Program Meter

Arduino project: Stereo Peak Program Meter using arduino

Previously, we introduced the Arduino’s analog-to-digital converter (ADC) in detail, looking at successive-approximation A-D conversion and how it’s the best compromise between speed and cost. This time, we start putting some of that theory into practice by building a stereo peak-program meter. Our Peak Program Meter (pictured above) takes audio from any phone or tablet.

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Arduino FM Stereo Broadcaster

An FM Stereo Broadcaster PLL using Arduino

I have two good AM transmitters – one I’d built using a single 6888 Tube plus an old KnightKit Broadcaster that I’d refurbished, as well as a high-quality solid state transmitter from SSTRAN that I use to play music over the several antique AM radios I’ve repaired or refurbished. I wanted a high-quality FM Stereo transmitter to

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