Control PC from TV remote with ESP8266

esp8266-control-pc-remote.ino

#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#include <IRremoteESP8266.h>
#include <IRrecv.h>
#include <IRutils.h>
#include <WiFiClient.h>
#include <ESP8266HTTPClient.h>
MDNSResponder mdns;

uint16_t RECV_PIN = 14; // connect data pin of ir sensor to pin D5 on ESP8266

const char* ssid = "[wifi]";
const char* password = "[password]";
const char* mDNSName = "[hostname]";
const char* mothership = "[target ip]";

IRrecv irrecv(RECV_PIN);
HTTPClient http;
ESP8266WebServer server(80); 
decode_results results;

void setup() {
  Serial.begin(115200);
  delay(10);
  irrecv.enableIRIn(); 
  Serial.println();
  Serial.println("IR keyboard Bridge");
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
  Serial.println("");
  if(mdns.begin(mDNSName)) {
    Serial.println("MDNS responder started");
    String identifyMessage = "Identified as ";
    identifyMessage += mDNSName;
    Serial.println(identifyMessage);
  }
  server.on("/", [](){
      server.send(200, "text/plain", "OK");
  });
  server.onNotFound([](){
      server.send(404, "text/plain", "PAGE_NOT_FOUND");
  });
  server.begin();
  Serial.println("Server started on port 80");
  Serial.println("Mothership IP: " + String(mothership));
  Serial.println("Sending init command to mothership");
  http.begin("http://" + String(mothership) + "/command");
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");
  http.POST("cmd=init");
  http.end();
  Serial.println("Sent init cmd.");
}

void loop() {
  if (irrecv.decode(&results)) {
    Serial.println("Sending button " + uint64ToString(results.value));
    http.begin("http://" + String(mothership) + "/command");
    http.addHeader("Content-Type", "application/x-www-form-urlencoded");
    http.POST("cmd=btn&data=" + uint64ToString(results.value));
    http.end();
    Serial.println("Sent button.");
    irrecv.resume();
  }
  delay(500);
}