DS18B20 is a commonly used digital temperature sensor. It outputs digital signals, has the characteristics of small size, low hardware overhead, 抗干擾能力強, 高精度, and is widely used.
DS18B20 is a digital temperature sensor that uses a single bus timing to communicate with the host. Only 1 Wire is needed to complete the temperature data reading;
DS18B20 has a built-in 64-bit product serial number for easy identification. Multiple DS18B20 sensors can be connected to 1 線, and through 64-bit identity authentication, the temperature information collected from different sensors can be read separately.
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 (for example, 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 之 3976.
鎳等金屬熱電阻器, 銅和鉑電阻器與電阻隨溫度的變化呈正相關. 鉑具有最穩定的物理化學性質，應用最廣泛. 常用鉑電阻Pt100的測溫範圍為-200~850°C. 另外, Pt500嘅溫度測量範圍, 鉑1000, 等. 依次減少. 鉑1000, 溫度測量範圍- 200~420°C. 根據IEC751國際標準, 鉑電阻Pt1000嘅溫度特性滿足以下要求:
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