Resources
Useful tools
A short list of sites I find genuinely useful. No affiliate links.
Electronics
Parts, datasheets and simulation.
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DigiKey
Large in-stock catalog with parametric filters and a datasheet attached to nearly every part.
digikey.com
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Mouser
The other major distributor; useful for comparing stock, pricing and alternate parts.
mouser.com
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Falstad circuit simulator
Animated circuit simulation in the browser — quick for sanity-checking an idea.
falstad.com
Automotive
Recalls, VIN decoding and the car market.
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visor.vin
Searches dealer listings nationwide with map view, filters and per-vehicle price history.
visor.vin
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NHTSA recall lookup
Official U.S. recall search by VIN, plus tires, child seats and equipment.
nhtsa.gov
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NHTSA VIN decoder (vPIC)
Free government decoder showing the manufacturer's data for a VIN: year, engine, plant, trim.
vpic.nhtsa.dot.gov
Utilities
Small, clean tools that run in the browser.
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calculator.net
Straightforward calculators for math, unit conversion, finance and more.
calculator.net
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CyberChef
Encode, decode, hash and convert data entirely client-side.
gchq.github.io
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Squoosh
Resize and compress images locally to WebP, AVIF or JPEG.
squoosh.app
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regex101
Write and test regular expressions with a token-by-token explanation.
regex101.com