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Electronics Toolkit
Resistor codes, Ohm's law, LED, battery and more
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Resistor Color Code
Decode 4 & 5 band resistors
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Ohm's Law
Calculate V, I, R and power
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Battery Life
Estimate battery runtime
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LED Resistor
Find the right resistor for your LED
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Capacitor Converter
Convert pF, nF, µF, F
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AWG Wire Size
AWG to mm² and current capacity
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