Serial.peek()

Descrição

Retorna o próximo byte (caractere) de dados seriais recebidos sem o remover do buffer serial interno. Isto é, successivas chamadas de peek() irão retornar o mesmo caractere, assim como irá a próxima chamada de read().

A função Serial.peek() é herdada da classe Stream.

Sintaxe

Serial.peek()

Parâmetros

Retorna

O primeiro byte dos dados seriais recebidos disponível (ou -1 se não há dados disponíveis) - int

※ Notas e Advertências:

Serial functions are not only used for the communication between an Arduino board and Serial Monitor of Arduino IDE but also used for the communication between:

  • An Arduino board and other Arduino board
  • An Arduino board and other sensors/devices
  • An Arduino board and computer (any Serial software on computer)

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