🐛 Board Temp Sensor followup (#22350)

Marlin/src/module/thermistor/thermistor_2000.h

@@ -0,0 +1,60 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+// R25 = 100 KOhm, beta25 = 4550 K, 4.7 kOhm pull-up, TDK NTCG104LH104KT1 https://product.tdk.com/en/search/sensor/ntc/chip-ntc-thermistor/info?part_no=NTCG104LH104KT1
+constexpr temp_entry_t temptable_2000[] PROGMEM = {
+{ OV(313),   125 },
+{ OV(347),   120 },
+{ OV(383),   115 },
+{ OV(422),   110 },
+{ OV(463),   105 },
+{ OV(506),   100 },
+{ OV(549),   95 },
+{ OV(594),   90 },
+{ OV(638),   85 },
+{ OV(681),   80 },
+{ OV(722),   75 },
+{ OV(762),   70 },
+{ OV(799),   65 },
+{ OV(833),   60 },
+{ OV(863),   55 },
+{ OV(890),   50 },
+{ OV(914),   45 },
+{ OV(934),   40 },
+{ OV(951),   35 },
+{ OV(966),   30 },
+{ OV(978),   25 },
+{ OV(988),   20 },
+{ OV(996),   15 },
+{ OV(1002),  10 },
+{ OV(1007),   5 },
+{ OV(1012),   0 },
+{ OV(1015),  -5 },
+{ OV(1017), -10 },
+{ OV(1019), -15 },
+{ OV(1020), -20 },
+{ OV(1021), -25 },
+{ OV(1022), -30 },
+{ OV(1023), -35 },
+{ OV(1023), -40 }
+};

Marlin/src/module/thermistor/thermistors.h

@@ -201,6 +201,9 @@ typedef struct { int16_t value; celsius_t celsius; } temp_entry_t;
 #if ANY_THERMISTOR_IS(1047) // Pt1000 with 4k7 pullup
   #include "thermistor_1047.h"
 #endif
+#if ANY_THERMISTOR_IS(2000) // "Ultimachine Rambo TDK NTCG104LH104KT1 NTC100K motherboard Thermistor" https://product.tdk.com/en/search/sensor/ntc/chip-ntc-thermistor/info?part_no=NTCG104LH104KT1
+  #include "thermistor_2000.h"
+#endif
 #if ANY_THERMISTOR_IS(998) // User-defined table 1
   #include "thermistor_998.h"
 #endif