سنسور دما KY-028 تغییرات دما را بر اساس مقاومت ترمیستور اندازه گیری می کند. این ماژول دارای هر دو خروجی دیجیتال و آنالوگ است ، یک پتانسیومتر برای تنظیم آستانه تشخیص خروجی دیجیتال وجود دارد.

مشخصات

• ولتاژکاری: 3.3 تا 5 ولت DC
• محدوده دمای قابل اندازه گیری : 55- تا 125 درجه سانتیگراد
• دارای خروجی دیجیتال و آنالوگ
• ابعاد:35x15mmk
• نوع سنسور دما NTC

Introduction 
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 ,
Temperature measurement range: -55°C / +125°C This module includes a NTC Thermistor – its resistance falls with higher temperature.Digital Out: While measuring a temperature which is higher than the limit value, it will be shown here – you can set the limit value via potentiometerAnalog Out: Direct measurement of the sensor unitLED1: Shows that the sensor is receiving powerLED2: Shows that a magnetic field was detected

 Specification 
using the NTC thermistor sensor , good sensitivity
the comparator output signal clean waveform is good , driving ability, than 15mA.
adjust the temperature distribution bit detection threshold
Working voltage 3.3V-5V
the output format : Digital switching output (0 and 1)
a small board PCB size : 3.5cm x 1.5cm
using a wide voltage LM393 comparator