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Basic Electric Guitar pickup configuration.: Very basic two-pickup
configuration for electric guitar, with volume and tone controls. (circuit design
added 10/06) |
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Book PC MP3 Player: A small computer running Linux with 12 volt power supply
and wired remote control makes a great sound system for a car. (added 7/03) |
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Circuit Emulates Mechanical Metronome: 08/19/99 EDN-Design Ideas / (added
03/05) produces Timing signals with a sound like that of a mechanical metronome. IC1
is a555 Timer that oscillates at approximately3200 Hz. The two3-kW resistors and
the0.047-µF capacitor set the frequency. IC2 divides the frequency of IC1s output by2.
IC2 produces a square wave with an exact50% duty cycle. |
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Colour (Sound) Organ: makes3 lights to blink and flash to music (added 5/02) |
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Compressor using photoresistor: This design has a few things that make it
stand out as a typical beginner's design, but I remember it worked amazingly well. I
plugged an electric bass into it and I could pluck a string, put down the bass, and
walk away and come back 15 minutes later with the note still playing. Finger and fret
noises jumped out while hard-played notes were crushed into submission....
(circuit design added 7/06) |
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Digital Guitar Tuner: (electronic circuit added 4/05) |
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Digital Volume Control: This circuit could be used for replacing your manual
volume control in a stereo amplifier. In this circuit, push-to-on switch S1 controls
the forward (volume increase) operation of both channels while a similar switch S2
controls reverse (volume decrease) operation of both channels. A readily
available IC from Dallas semiconductor, DS1669 is used here.…. (added 10/05) |
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DIY Serial MIDI Interface (80C51/80C31 Version): (diagram added 2/07) |
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Drum tone Oscillators: (electronic circuit added 4/05) |
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Dual phantom power pre-amp: (electronic circuit added 1/07) |
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Electronic Canary: (electronic schematic / circuit added 4/02) |
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Electronic metronome: (electronic circuit added 2/07) |
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Electronic Metronome: (electronic schematic / circuit added 4/02) |
