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Logic gates

Logic Gates Truth Table (AND, OR, XOR…)

Truth tables, symbols and matching 74xx / 40xx ICs for 7 logic gates.

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More tools

LED voltagesVolts by color
TransistorsNPN, PNP, MOSFET
PinoutArduino, ESP32, Raspberry Pi
Color code3–6 bands, both ways
SMD code472 · 1002 · 01C
Ohm's lawVoltage, current, power