digitalRead digitalWrite pinMode analogRead analogReference analogWrite analogReadResolution analogWriteResolution noTone pulseIn pulseInLong shiftIn shiftOut tone delay delayMicroseconds micros millis abs constrain map max min pow sq sqrt cos sin tan isAlpha isAlphaNumeric isAscii isControl isDigit isGraph isHexadecimalDigit isLowerCase isPrintable isPunct isSpace isUpperCase isWhitespace random randomSeed bit bitClear bitRead bitSet bitWrite highByte lowByte attachInterrupt detachInterrupt interrupts noInterrupts Serial SPI Stream Wire Keyboard Mouse HIGH LOW INPUT OUTPUT INPUT_PULLUP LED_BUILTIN true false bool boolean byte char double float int long short size_t string String unsigned void word const static volatile PROGMEM sizeof loop setup break continue do else for goto if return switch case while #define #include