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- #include <ESP8266WiFi.h>
- #define led 2
- const char *ssid = "yckj01";
- const char *password = "yckj2015";
- const char *host = "192.168.0.184";
- WiFiClient client;
- const int tcpPort = 10002;
- int LEDPin = 13;
- void setup()
- {
- Serial.begin(115200);
- pinMode(led, OUTPUT);
- pinMode(LEDPin, OUTPUT);
- delay(10);
- Serial.println();
- Serial.print("Connecting to ");
- Serial.println(ssid);
- WiFi.begin(ssid, password);
-
- while (WiFi.status() != WL_CONNECTED)
- {
-
- digitalWrite(LEDPin, HIGH);
-
- delay(300);
- digitalWrite(LEDPin, LOW);
- delay(300);
- }
-
- Serial.println("");
- Serial.println("WiFi connected");
- Serial.println("IP address: ");
- Serial.println(WiFi.localIP());
- }
- void loop()
- {
- while (!client.connected())
- {
- if (!client.connect(host, tcpPort))
- {
-
- digitalWrite(LEDPin, HIGH);
-
-
- digitalWrite(LEDPin, LOW);
-
- Serial.println("connection....");
-
- }
- }
- String inputString = "";
- while (Serial.available()) {
- inputString = inputString + char( Serial.read());
- delay(2);
- }
- if (inputString.length() > 0) {
- Serial.println("inputString:" + inputString);
- client.print("inputString:" + inputString + "\r\n");
- }
- while (client.available())
- {
- String line = client.readStringUntil('\r\n');
- Serial.println(line);
- client.print("got it \r\n");
- }
- }
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