1.3 The temperature probe - matsstaff/stc1000p GitHub Wiki

The temperature probe that the STC-1000 uses is a 10k NTC thermistor with a β25°C/85°C value of 3435, presumably 1%.

NTC schematic
It is connected to an analogue input on the MCU via a voltage divider as shown above.

Temperature [°C] Resistance [Ohm]
-40.0 190953
-35.0 145953
-30.0 112440
-25.0 87285
-20.0 68260
-15.0 53762
-10.0 42636
-5.0 34038
0.0 27348
5.0 22108
10.0 17979
15.0 14706
20.0 12094
25.0 10000
30.0 8310.8
35.0 6941.1
40.0 5824.9
45.0 4910.6
50.0 4158.3
55.0 3536.2
60.0 3019.7
65.0 2588.8
70.0 2228.0
75.0 1924.6
80.0 1668.4
85.0 1451.3
90.0 1266.7
95.0 1109.2
100.0 974.26
105.0 858.33
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