 #include <WiFiClientSecure.h>
 
 #include PRIKMETER_CONFIG_INCLUDE
+#include "buildinfo.h"
+
 #include "telegram_reader.h"
 
 #define SERIAL_RX_PIN D5

  httpsClient.print(
      "POST /telegrams HTTP/1.1\r\n"
      "Host: " SERVER_HOST "\r\n"
      "User-Agent: " USER_AGENT " " VERSION "\r\n"
      "Content-Type: text/plain\r\n"
      "Content-Length: ");
  httpsClient.print(size);

#define SERVER_PORT 443
#endif
#ifndef USER_AGENT
#define USER_AGENT "prikmeter"
#endif

#ifdef READ_FROM_SERIAL
#  define P1_INPUT Serial // Debugging aid.
