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Welcome to FENESS Engineering!

Welcome to FENESS Engineering LLC. This website is currently under construction. Watch this space over the next few weeks as we get our website set up. We have an array of projects that should be of interest to you if you like cars, racing, and engineering!

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DIY Knockphones

Credit to this guy I was able to put together my own set of knock headphones for about $75.

1/8" Stereo Jack (Solder type)

1/8″ Stereo Jack (Solder type)

Some .01 micro-farad capacitors.

Some .01 micro-farad capacitors.

Fiio Fujiyama E06 Portable Amplifier.

Fiio Fujiyama E06 Portable Amplifier.

Assembled front view.

Assembled front view.

Assembled rear view.

Assembled rear view.

Noise-cancelling headphones of your choice.

Noise-cancelling headphones of your choice.

A standard knock sensor with a Bosch connector.

A standard knock sensor with a Bosch connector.

Knock sensor harness.  (Still needs to be completely shrunk).

Knock sensor harness. (Still needs to be completely shrunk).

Calibrate safely.

Calibrate safely.

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Ready to install

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Tefzel Pretzels