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オークションで手に入れた、esp8266をarduino unoにつないで見ました。
写真
回路図
ハイパーターミナル
サンプルコード
# include "ESP8266wifi.h"
# include <SoftwareSerial.h>
# define RST_pin 7
SoftwareSerial swSerial(10, 11);
int ledPin = 13;
String returnData;
ESP8266wifi wifi(Serial, Serial, RST_pin, swSerial);
void setup()
{
pinMode(ledPin, OUTPUT);
swSerial.begin(115200);
Serial.begin(115200);
wifi.setTransportToTCP();
wifi.endSendWithNewline(true);
wifi.begin();
wifi.connectToAP("free-spot", "");
}
void loop()
{
boolean isConnected = wifi.connectToServer("210.169.132.188", "80");
if (wifi.isConnectedToServer())
{
wifi.send(SERVER, "GET / HTTP/1.0\r\n\r\n");
WifiMessage in = wifi.listenForIncomingMessage(1000);
if (in.hasData)
{
returnData = in.message;
}
Serial.println("Return is: " + returnData);
}
delay(9000);
}
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