For controlling the Arduino board and performing computations. Digital I/O digitalRead() digitalWrite() pinMode() Analog I/O analogRead() analogReference() analogWrite() Zero, Due & MKR Family analogReadResolution() analogWriteResolution() Advanced I/O noTone() pulseIn() pulseInLong() shiftIn() shiftOut() tone() Time delay() delayMicroseconds() micros() millis() Math abs() constrain() map() max() min() pow() sq() sqrt() Trigonometry cos() sin() tan() Characters isAlpha() isAlphaNumeric() isAscii() isControl() isDigit() isGraph() isHexadecimalDigit() isLowerCase() isPrintable() isPunct() isSpace() isUpperCase() isWhitespace() Random Numbers random() randomSeed() Bits and Bytes bit() bitClear() bitRead() bitSet() bitWrite() highByte() lowByte() External Interrupts attachInterrupt() detachInterrupt() Interrupts interrupts() noInterrupts() Communication Serial Stream USB Keyboard Mouse 相关文章： 2022-01-07 2021-11-15 2021-06-27 2021-12-24 2022-12-23 2021-08-29 2021-09-12 2022-02-20