
Why the lizard?
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This website allows you to obtain component values or time periods for circuits using the 555 timer IC.
There is also a selection of projects that can be built with a description of how they work.
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This website allows you to obtain azimuth, elevation and skew angles for any geostationary satellite, for anywhere in the world.
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This website allows you to obtain Depth of Field and Hyperfocal Distance information for various cameras and lenses.
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