//Inicia um client TCP para o envio dos dados
if (client.connect(server1, 80)) {
String postStr = "";
String postData = "variable=temp&value="+String(motor_tensao)+"\n" ;
Serial.print("CONECTADO NA TAGO\n");
postStr = "POST /data HTTP/1.1\n";
postStr += "Device-Token: " + apiKey + "\n";
postStr += "_ssl: false\n";
postStr += "Content-Type: application/x-www-form-urlencoded\n";
postStr += "Content-Length: " + String(postData.length()) + "\n";
postStr += "\n";
postStr += postData;
client.print(postStr);