esp8266怎么连接arduino uno
时间: 2023-06-05 22:06:28 浏览: 480
您好,关于您的问题,可以通过以下步骤连接ESP8266和Arduino Uno:
1. 首先,将ESP8266连接到Arduino Uno的TX引脚和RX引脚,这些引脚应该连接到Arduino Uno板上的数字引脚0和1。
2. 接下来,在Arduino IDE中打开一个新的Sketch,然后将以下代码复制到Sketch中:
```
#include <SoftwareSerial.h>
//Initialize the software serial object
SoftwareSerial esp8266(2, 3); // RX, TX
void setup() {
Serial.begin(9600); //Set up the serial port for debugging
esp8266.begin(9600); //Set up the software serial port for ESP8266
}
void loop() {
if (esp8266.available()) { //Check if data is available on the software serial
Serial.write(esp8266.read()); //Print the data to the serial monitor
}
if (Serial.available()) { //Check if data is available on the serial monitor
esp8266.write(Serial.read()); //Send the data to the ESP8266
}
}
```
3. 上传代码之后,打开串口监视器,将波特率设置为9600。然后在串口监视器中输入AT指令,确认ESP8266是否连接成功。
希望对您有所帮助!如果您还有其他问题,请随时问我。
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