How does the car reflect the temperature of the car engine coolant? It is through the water temperature sensor, which is also called the water temperature sensor plug. So where is the specific location of the car water temperature sensor? The water temperature sensor enables the control unit to identify engine overheating or an unusual rise in temperature. How much does a car water temperature sensor cost?
DS18B20 is a commonly used digital temperature sensor. It outputs digital signals, has the characteristics of small size, Lage hardware overhead, sterk anti-interferentievermogen, hoge precisie, and is widely used.
DS18B20 is een digitale temperatuursensor die een enkele bustiming gebruikt om met de host te communiceren. Alleen 1 Draad is nodig om de temperatuurgegevenslezing te voltooien;
DS18B20 heeft een ingebouwd 64-bits product serienummer voor eenvoudige identificatie. Meerdere DS18B20 -sensoren kunnen worden aangesloten 1 Draad, en via 64-bit identiteitsauthenticatie, De temperatuurinformatie verzameld van verschillende sensoren kan afzonderlijk worden gelezen.
Today I will show you how to use the DS18B20 digital temperature sensor with an Arduino so you can measure the temperature of air, liquids such as water, and the ground.
To connect the DS18B20 digital temperature sensor to Arduino, you need to do the following steps:
Hardware connection:
Connect the VCC pin of DS18B20 to the 3.3V power pin of Arduino.
Connect the GND pin of DS18B20 to the ground pin of Arduino.
Connect the data pin of DS18B20 to the GPIO pin of Arduino (Bijvoorbeeld, GPIO4).
Connect a 4.7kΩ pull-up resistor between the data pin and the 3.3V power pin.
High Accuracy and Precision NTC thermistors Sensors are used in various industries, from medical to industrial applications. The medical industry relies on NTC’s in various applications including catheters, dialysis equipment, and patient monitoring. This medical sensor part is 1355 Ohms at 37°C with Beta 25/85 van 3976.
Metalen thermische weerstanden zoals nikkel, copper and platinum resistors have a positive correlation with the change in resistance with temperature. Platina heeft de meest stabiele fysische en chemische eigenschappen en is het meest gebruikt. The temperature measurement range of the commonly used platinum resistor Pt100 is -200～850 ℃. In aanvulling, the temperature measurement ranges of Pt500, Pt1000, enz. zijn achtereenvolgens verminderd. Pt1000, temperature measurement range -200～420 ℃. Volgens de IEC751 International Standard, De temperatuurkarakteristieken van de platina -weerstand PT1000 voldoen aan de volgende vereisten:
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