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Artoo
Binary, decimal and hex converter
Board release tracker: Raspberry Pi, ESP32 and Arduino
GPIO pinout: Raspberry Pi, Pico, ESP32 and Arduino Uno
LED resistor calculator
Maker tools
Ohm’s law calculator
Resistor color code calculator
Binary, decimal and hex converter
Binary, decimal, hex and octal converter
Decimal
Binary
Hexadecimal
Octal
Type in any box and the others update. Whole numbers only; 0x and 0b prefixes are accepted. Works up to very large numbers.