I have two Arduino boards. One is connected to an IR transmitter and the other is connected to an IR receiver.

I have the IRremoteESP8266: IRrecvDumpV3 application running on the receiver board which seems to work ok, as when i press one of my IR remote controls, it prints out consistent data based on each button press.

However, I am trying to a create an application on the transmitter end which for a start has hard-coded hex string as commands there to test in a loop, which get converted to uint64 values and sent to the sendElitescreens() function and transmitter as below. The uint64 values are correct before sending.

void loop() {
 
  String up_command = "FDA2256";
  String down_command = "FBA1136";
  String stop_command = "FEA3387";
  
  Serial.println("In loop - sending commands ..");

  // Send each screen command and wait for 4 seconds

  digitalWrite(LED, HIGH); // turn the LED on
  irsend.sendElitescreens(strToUint_64(up_command));
  digitalWrite(LED, LOW); // turn the LED off
  delay(4000);

  digitalWrite(LED, HIGH); // turn the LED on
  irsend.sendElitescreens(strToUint_64(down_command));
  digitalWrite(LED, LOW); // turn the LED off
  delay(4000);

  digitalWrite(LED, HIGH); // turn the LED on
  irsend.sendElitescreens(strToUint_64(stop_command));
  digitalWrite(LED, LOW); // turn the LED off
  delay(4000);

}

The dump received on the IRrecvDumpV3 doesn’t make any sense unfortunately. The hex values don’t match and are changing all the time as below.

Am I doing something fundamentally wrong here?

Timestamp : 000065.309
Library   : v2.8.6

Protocol  : UNKNOWN
Code      : 0xC7BEF4CD (24 Bits)
uint16_t rawData[47] = {294, 13074,  278, 2678,  106, 3600,  128, 168,  182, 2812,  496, 15370,  126, 136,  478, 740,  474, 6344,  256, 9350,  470, 17040,  196, 4726,  128, 4016,  300, 2520,  232, 430,  260, 5484,  202, 9052,  528, 2536,  306, 536,  162, 4418,  232, 6456,  184, 2698,  164, 4792,  260};  // UNKNOWN C7BEF4CD


Timestamp : 000069.510
Library   : v2.8.6

Protocol  : UNKNOWN
Code      : 0xAF8A3196 (117 Bits)
uint16_t rawData[233] = {136, 490,  960, 612,  276, 124,  2650, 838,  2304, 192,  5306, 120,  440, 522,  4792, 560,  1092, 150,  440, 336,  7364, 124,  1320, 934,  1046, 356,  4644, 526,  476, 146,  2174, 324,  802, 442,  428, 208,  124, 198,  898, 388,  2552, 924,  580, 464,  2314, 446,  534, 148,  648, 370,  1426, 340,  736, 188,  2548, 550,  180, 734,  128, 328,  140, 248,  776, 1354,  180, 154,  1372, 290,  650, 128,  898, 408,  1254, 620,  618, 554,  570, 716,  182, 242,  2116, 1298,  1048, 246,  1588, 168,  266, 310,  548, 266,  1794, 180,  1228, 702,  1108, 260,  576, 116,  122, 298,  362, 408,  448, 490,  200, 690,  1066, 522,  1524, 208,  1244, 586,  280, 810,  346, 120,  256, 980,  474, 722,  570, 650,  480, 1248,  518, 158,  294, 154,  264, 1778,  980, 810,  248, 636,  292, 164,  366, 428,  126, 1148,  102, 210,  792, 968,  764, 432,  332, 566,  848, 596,  212, 904,  868, 1064,  216, 568,  106, 332,  502, 712,  194, 152,  140, 548,  208, 220,  842, 2728,  458, 802,  706, 1348,  1082, 188,  350, 566,  130, 722,  404, 158,  346, 766,  430, 2454,  196, 368,  700, 412,  328, 1388,  512, 674,  600, 794,  122, 1634,  114, 1242,  176, 268,  410, 984,  132, 294,  138, 274,  390, 252,  428, 1194,  224, 346,  324, 442,  142, 1752,  402, 838,  294, 338,  134, 870,  354, 1634,  338, 1080,  236, 234,  266, 182,  564, 610,  254};  // UNKNOWN AF8A3196


Timestamp : 000086.112
Library   : v2.8.6

Protocol  : UNKNOWN
Code      : 0xE3EA772A (37 Bits)
uint16_t rawData[73] = {2456, 156,  1922, 174,  690, 618,  1620, 258,  368, 416,  236, 1298,  312, 1320,  446, 45914,  148, 2240,  204, 1094,  210, 942,  132, 2448,  202, 654,  262, 658,  160, 518,  616, 622,  832, 142,  260, 1772,  606, 128,  234, 374,  896, 388,  1078, 984,  842, 1448,  2342, 2590,  148, 196,  1522, 1138,  1406, 124,  208, 414,  1288, 278,  198, 1188,  182, 302,  780, 680,  1048, 260,  288, 380,  274, 1398,  116, 458,  172};