A technical library for the hobbyist and experimenter. Select a link above, a featured item below, or use the search tool below.

Visit Area 50 and see Almost Breaking News for the latest developments.

Plus, Latest Project News and Live Geiger Counter

New stuff: 

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Curiously Low Noise Amplifier

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Improved Active Antenna

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Sferics Detector

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PicAXE Ion Chamber

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Frankenstein's Dosimeter

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Lightning Simulator

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Live Data! with Geiger Counter.

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Meter/DAQ Amplifier

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Solar Flare Experiment (ongoing)

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The X-Ray Defender

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LF LowFER Beacon Transmitter

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Oddball SID Receiver Experiment

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CD4069 LED Bar Graph

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The SID Seizer - monitor SIDs

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CD4069 Atomic Frequency Std.

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Keyboard Wedgie

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VHF Overtone Crystal Oscillators

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Radon Detector for the Student

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Benefits of Second Hand Smoke?

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Radon Accessory

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The Unfair Radio Transmitter

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The F.E.D detect digital signals

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Baby's VLF Monitor

Karen's page
Craig's page

Odd stuff:

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Weekly Saying Archive

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Copyright 1995 - 2011, Charles Wenzel

These pages are the original work of Charles Wenzel unless otherwise noted. Notify charles@wenzel.com of errors.