Module features:
1. Using NTC thermistor sensor, good sensitivity
2. Comparator output, the signal is clean, the waveform is good, the driving ability is strong, more than 15mA.
3. With potentiometer to adjust the temperature detection threshold
4. Working voltage 3.3V-5V
5. Output form: digital switch output (0 and 1)
6. With fixing bolt holes for easy installation
7. Small board PCB size: 3.2cm x 1.4cm
8. Use wide voltage LM393 comparator

Module instructions
1. The thermistor module is sensitive to ambient temperature and is generally used to detect the temperature of the surrounding environment;
2. By adjusting the potentiometer, you can change the threshold of temperature detection (ie, control temperature value). If you need to control the ambient temperature to 50 degrees, the module will adjust its green light to the corresponding ambient temperature, and DO will output high power. Flat, when it is lower than the set temperature value, the output is high and the green light is off;
3. The DO output terminal can be directly connected to the single-chip microcomputer, and the high-low level is detected by the single-chip microcomputer, thereby detecting the temperature change of the environment;
4. The DO output terminal can directly drive the relay module of the shop, so that a temperature control switch can be formed to control the working temperature of the related equipment, and the fan can also be used for heat dissipation;
5. The temperature detection range of this module is 20-80 degrees Celsius;
6. This module can also be replaced with a temperature sensor with a line for the control of water temperature, water tank, etc.