// g12. Mesure de 2 valeurs mises à l'echelle (max 5)
// et insertion dans une table JSON
// mmsgtablejson : tableau contenant un objet JSON
void lectureTableJSON() {
  String msgtablejson = R"([{ "H0": 0, "T0": )" + String(val0 * 0.05) + R"( }, { "H1": 1, "T1": )" + String(val1 * 0.05) +
                    R"( }, { "H": 1, "T": 11.7 }, 
  { "H": 2, "T": 12 }, 
  { "H": 3, "T": 12 }, 
  { "H": 4, "T": 12 }, 
  { "H": 5, "T": 10.7 }, 
  { "H": 6, "T": 10.6 }, 
  { "H": 7, "T": 10.1 }, 
  { "H": 8, "T": 9.7 }, 
  { "H": 9, "T": 10.5 }, 
  { "H": 10, "T": 11.4 }, 
  { "H": 11, "T": 13.1 }, 
  { "H": 12, "T": 15.7 }, 
  { "H": 13, "T": 19.2 }, 
  { "H": 14, "T": 20.1 }, 
  { "H": 15, "T": 20.9 }, 
  { "H": 16, "T": 20.7 }, 
  { "H": 17, "T": 20.9 }, 
  { "H": 18, "T": 20.7 }, 
  { "H": 19, "T": 19.1 }, 
  { "H": 20, "T": 17.4 }, 
  { "H": 21, "T": 16.5 }, 
  { "H": 22, "T": 16.6 }, 
  { "H": 23, "T": 15.4 }])";
  // Transmission
  server.sendHeader(F("Cache-Control"), F("no-cache, no-store, must-revalidate"));
  server.send(200, F("application/json; charset=utf-8"), msgtablejson);
}