//    httpClient.sendHeader("PostType", "Summary");
//    httpClient.sendHeader("Version",VerStr);    
//    httpClient.sendHeader("FileName", Filename);
//    httpClient.sendHeader("SensorName",SummaryData->SensorName);
//    httpClient.sendHeader("BlockType", "Header");
//    httpClient.sendHeader("DeviceLanguage", "English");
//    httpClient.sendHeader("CustomerName", "Alan"); // EE_CustomerName
//    httpClient.sendHeader("DeviceName", "NodeMCU"); // EE_DeviceName

#fwrite(file, string, length) 
#https://www.w3schools.com/php/php_ref_filesystem.asp