Kas ir digitālais temperatūras sensors? Sensora zondes DS18B20 dizains

A digital temperature sensor is a device that measures temperature and converts it into a digital reading that can be input into a microcontroller or other logic device. DS18B20 Digital temperature sensors use integrated circuits to provide accurate temperature readings. They are often used in consumer electronics, such as digital thermometers. DS18B20 ir plaši izmantota digitālā temperatūras sensora zondes mikroshēma, kas izvada ciparu signālu. Tam ir mazas sensora zondes īpašības, zemas aparatūras dizaina prasības, Spēcīga pret savstarpējo spēju spējas un augsta precizitāte. Digitālo temperatūras sensoru DS18B20 ir viegli savienot, un to var izmantot daudzos gadījumos pēc zondes iepakošanas. Piemēram, cauruļvada tips, vītņots tips, magnēta adsorbcijas tips, nerūsējošā tērauda iepakojuma veids, dažādi modeļi, ieskaitot LTM8877, LTM8874, utt..
The appearance of the probe is mainly changed according to different application occasions. Iesaiņoto DS18B20 var izmantot kabeļa tranšejas temperatūras mērīšanai, domnas ūdens cirkulācijas temperatūras mērīšana, katla temperatūras mērīšana, mašīntelpas temperatūras mērīšana, lauksaimniecības siltumnīcas temperatūras mērīšana, tīras telpas temperatūras mērīšana, ammunition depot temperature measurement and other non-extreme temperature occasions. Wear-resistant and collision-resistant, mazs izmērs, viegli lietojams, various packaging forms, suitable for various small space equipment digital temperature measurement and control fields.

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Range(-55℃~ +125℃) 6mm Temperature Probe Sensors for Arduino Measuring The Air Temperature, Liquids DS18B20-3M-5

Warehouse Series Digital Probe Stainless Steel Encapsulated SNS-TMP DS18B20 with 1 Mērītājs

These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. Its main features include:

‌High-precision measurement‌: DS18B20 provides 9-bit to 12-bit Celsius temperature measurement accuracy and supports multi-point temperature measurement networks‌.
‌Single-wire communication protocol‌: Data communication and power supply are carried out through a single data line, which simplifies hardware design‌.
‌Wide operating voltage range‌: Supports operating voltages from 3.0V to 5.5V, suitable for battery-powered applications‌.
‌Wide application fields‌: It has wide applications in consumer electronics, industrial control, vides monitorings un citas jomas, such as temperature display of household appliances, precise industrial measurement, etc.‌.

Application scenarios
DS18B20 digital temperature sensors have a wide range of applications in many fields, ieskaitot:

Sadzīves tehnika: Used for temperature display and control, providing accurate temperature measurement.
‌Industrial control‌: Provides reliable solutions in precise industrial measurement.
‌Environmental monitoring‌: Suitable for various environmental monitoring occasions, such as temperature measurement in machine rooms, agricultural greenhouses, ammunition depots, etc.‌12.

DS18B20 ūdensnecaurlaidīga temperatūras sensora zonde + Termināla adaptera modulis ar vadu komplektu

IP68 ūdensizturīgs nerūsējošā tērauda temperatūras zonde 18B20 līdz 485 temperatūras sensors

Digital LCD Fridge Thermometer Water Temperature with DS18B20 sensor Probe Fahrenheit

Hardware connection method
When connecting DS18B20 to a microcontroller, you need to follow the following basic steps:
‌Determine the pin function‌: DS18B20 has three pins, namely VDD (power), DQ (data line), GND (ground line)‌.
‌Power connection‌: The VDD pin is connected to a 3.3V or 5V power supply, depending on the operating voltage of the microcontroller‌.
‌Data line connection‌: The DQ pin is connected to VCC through a pull-up resistor (typical value is 4.7kΩ).
‌Ground connection‌: The GND pin is directly connected to the ground line of the microcontroller‌.

Temperatūras sensors atbalsta “one-wire bus” saskarne (1-Wrie), the measurement temperature range is -55 °C ~ +125 ° C, in the range of -10 °C ~ +85 ° C, the accuracy is plus or minus 0.5 ° C
Adjustable resolution: 9 – 12 bit; Temperature range: -55 ℃ to +125 ℃; Output : red (VCC), yellow (DATA), melns (GND)
DS18B20 temperature sensor: the size of stainless steel housing is approx. 6 netraucēts 50 mm/ 0.2 netraucēts 2 collu, and the digital temperature thermal cable has a total length of approx 1 m/ 39.4 collu, which is long enough to meet your needs.
YAXUN DS18B20 temperature sensor is compatible with Raspberry Pi, and is widely applied in temperature monitoring of cable trench, boiler, zer, agricultural greenhouse, clean room, utt..