Temperature Sensor Module KY-028


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Temperature detection, temperature control sensors , ambient temperature detection.
Module Features :

  • using the NTC thermistor sensor , good sensitivity
  • the comparator output signal is clean, good waveform , driving ability , more than 15mA.
  • adjust the temperature distribution position detection threshold
  • the working voltage: DC 3.3V-5V
  • the output format : digital switching outputs ( 0 and 1 )
  • a fixed bolt holes for easy installation
  • a small PCB board size : 3.2cm x 1.4cm
  • using a wide voltage LM393 comparator

Instruction for use:

  • the thermal resistance of the module is very sensitive to the ambient temperature , typically for detecting the temperature of the surrounding environment.
  • through the potentiometer adjustment, you can change the temperature detection threshold ( ie, control temperature ) , such as the need to control the ambient temperature is 50 degrees , the module in the corresponding ambient temperature to its green light , DO high power output when flat , set the temperature below this value, the output is high , the green light does not shine ;
  • DO output can be directly connected to the microcontroller through the microcontroller to detect high and low , thereby detecting temperature changes in the environment.
  • DO output of the relay module can directly drive the shop , which can be composed of a thermostat to control the temperature of work -related equipment can also be connected to the cooling fan , etc. .
  • the temperature detection range of the modules 20 °c to 80 °c.
  • the module can be replaced with a line of temperature sensors used to control the water temperature , water and the like.


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