KY-013 Datasheet | Joy-IT

description 1 3 Pinout 3 4 Code example Arduino 3 5 Code example Raspberry Pi 4 Picture Technical data / Short description Temperature measuring range: -55°C / +125°C This module provides a NTC thermistor - it will have a lower resistant on higher temperatures. Export: 16.06.2017 Copyright by Joy-IT - Published under CC BY-NC-SA 3.0 Page 54 of 214 KY-013 Temperature-Sensor module You can draw near to the resistant change via maths and convert it into a linear course. With that you can determine the temperature coefficient (addicted from resistant change to temperature change). With that you can determine the actual temperature if you know the current resistance. This resistor can be determinded via voltage devider, where a known voltage splits up between a known resistor and an unknown (variable) resistor. With that Voltage you can determine the resistance of the resistor - you can see the full calculation in the example below. Export: 16.06.2017 Copyright by Joy-IT - Published under CC BY-NC-SA 3.0 Page 55 of 214 KY-013 Temperature-Sensor module Pinout Code example Arduino The program measures the actual voltage from the NTC, calculate the temperature and translates the result to °C for the serial output. #include <math.h> int sensor Pin = A5; // Declaration of the input pin // These function translates the recorded analog measurement double Thermistor(int Raw ADC) { double Temp; Temp = log(10000.0 -...