Thomas Burns
Published © GPL3+

Turn your CRT television into an audio waveform visualizer!

A simple method for adding a cathode ray tube display to your audio project

IntermediateFull instructions provided2 hours5,597

Things used in this project

Hardware components

CRT television
This project can be done with any size CRT, though it's a lot easier to work with the smaller screens. We used a B&W CRT, but there's no reason you couldn't use a color unit instead.
×1
TDA7297 Audio Amplifier
There are lots of small amplifiers available that would work for this project. The important thing is that it has terminal blocks for attaching wires, and that it's powerful enough to power your speakers.
×2
Audio Adapter, 3.5 mm Stereo Plug to 2x Sockets
Audio Adapter, 3.5 mm Stereo Plug to 2x Sockets
×1
Audio / Video Cable Assembly, 3.5mm Slim Stereo Plug to 3.5mm Slim Stereo Jack
Audio / Video Cable Assembly, 3.5mm Slim Stereo Plug to 3.5mm Slim Stereo Jack
×1
12v DC power supply
For powering the audio amps.
×1

Story

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Credits

Thomas Burns

Thomas Burns

4 projects • 59 followers
Father, maker, and lover of analog electronics. Check out more of my builds on my YouTube channel!

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