说明
当我们使用ESP8266开发板或者Arduino开发板来开发项目时，可以使用基于Stream类的库来处理Stream数据。以下列表中的库都是基于Stream类所建立的。
| 库 | 类 |
| Serial | Serial |
| SoftwareSerial | SoftwareSerial |
| Ehternet | EthernetClient |
| ESP8266FS | File |
| SD | File |
| Wire | Wire |
| GSM | GSMClient |
| WifiClient | WiFiClient |
| WiFiServer | WiFiServer |
| WiFiUDP | WiFiUDP |
| WiFiClientSecure | WiFiClientSecure |
函数
– available
– read
– readBytes
– readBytesUntil
– readString
– readStringUntil
– find
– findUntil
– peek
– flush
– parseInt
– parseFloat
– setTimeout
– 清除接收缓存