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The KY-013 analog thermistor module is designed to determine the ambient air temperature. The module board consists of: a 10 kOhm SMD resistor and a KY-013 temperature sensor. This module can be used in an air cooling system, a home alarm system, and other projects.
The KY-013 thermistor and resistor are assembled according to the resistor voltage divider circuit. When the temperature changes, the resistance of the temperature sensor changes, which leads to changes in the voltage at the data output. After that, the controller measures the received voltage and, using the logarithmic transformation formula, converts the voltage into temperature.
You can also use the module to determine the surface temperature. To do this, you need to mechanically press the sensor to the surface using fasteners, through the connectors on the board, and apply heat-conducting paste between the surface and the thermistor. If there is no paste, glue the sensor.
The module has three outputs for connecting the sensor to the Arduino board. The VCC contact is used to supply power to the module board, respectively, the GND output is grounded. The S contact is used to transmit sensor data to the microcontroller and is connected to the analog outputs of the Arduino Uno board.
Technical specifications of the module:
Model KY-013
Supply voltage, V 3.3 ... 5
Operating temperature range, °C -55 ... +125
Measurement accuracy, °C ±0.5
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