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| - | ====== NTC temperature sensor ====== | ||
| - | The temperature sensor used in this exercise is an RH-16 negative temperature | ||
| - | coefficient (NTC) sensor from Mitsubishi, so the resistance will decrease as the | ||
| - | temperature of the sensor increases. The resistance can be estimated using the | ||
| - | following simplified equation (number 1 in the datasheet): | ||
| - | {{: | ||
| - | |||
| - | where | ||
| - | Ro = known resistance at temperature To, for example 25°C. | ||
| - | B = is a variable that changes according to the temperature; | ||
| - | ranges, it could appear to be constant. In the datasheet, you can find the B value, for | ||
| - | example, 25–50°C or 25–85°C. If the temperature range is greater, you have to use | ||
| - | equation 2 from the sensor datasheet. | ||
