DS18B20 Water Proof Temperature Sensor Probe
Description:
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The DS18B20 Waterproof Temperature Sensor Probe is a highly versatile and accurate sensor used for measuring temperatures in a variety of environments. Encased in a waterproof stainless steel probe, it is ideal for applications where the sensor needs to be immersed in liquid or exposed to harsh conditions.
Description
Key Features:
- Waterproof Design: Encased in a stainless steel tube, making it suitable for wet or harsh environments.
- Digital Output: Provides digital temperature readings, eliminating the need for analog-to-digital conversion.
- Wide Temperature Range: Measures temperatures from -55°C to +125°C (-67°F to +257°F).
- High Accuracy: ±0.5°C accuracy from -10°C to +85°C.
- One-Wire Interface: Uses a single digital pin for communication, simplifying wiring and reducing the number of required pins.
- Multiple Sensors: Multiple DS18B20 sensors can be connected to the same data line (1-Wire bus) and accessed individually.
Specifications:
- Temperature Range: -55°C to +125°C (-67°F to +257°F)
- Accuracy: ±0.5°C from -10°C to +85°C
- Resolution: Programmable from 9 to 12 bits
- Power Supply: 3.0V to 5.5V
- Interface: 1-Wire
- Probe Material: Stainless steel
- Probe Dimensions: Typically 6mm diameter, 30mm to 50mm length (varies by model)
- Cable Length: Varies, commonly 1 meter
Usage Instructions
1. Wiring the Sensor:
- GND: Connect the black wire to the ground (GND) pin on the microcontroller.
- VCC: Connect the red wire to the 3.3V or 5V power supply on the microcontroller.
- Data: Connect the yellow wire to a digital input/output pin on the microcontroller (e.g., D2 on Arduino).
- Pull-Up Resistor: Place a 4.7kΩ resistor between the Data line and the VCC line to ensure proper communication.
2. Installing Required Libraries (for Arduino):
- Install the OneWire library:
- Open the Arduino IDE, go to
Sketch > Include Library > Manage Libraries. - Search for
OneWireand install it.
- Open the Arduino IDE, go to
- Install the DallasTemperature library:
- Again, go to
Sketch > Include Library > Manage Libraries. - Search for
DallasTemperatureand install it.
- Again, go to
3. Example Code:
-
Use the following Arduino code to read the temperature from the DS18B20 sensor:
-
4. Calibrating and Using the Sensor:
- Ensure the sensor is properly calibrated by comparing its readings with a known accurate thermometer.
- Place the sensor in the desired location for temperature measurement. If using in a liquid, ensure the sensor is fully submerged to get accurate readings.
-
Applications
- Environmental Monitoring: Measure temperatures in greenhouses, aquariums, and terrariums.
-
By following these instructions and utilizing the features of the DS18B20 Waterproof Temperature Sensor Probe, you can accurately measure temperatures in a variety of settings, ensuring reliable data for your projects and applications.
- Home Automation: Monitor and control heating and cooling systems.
- Industrial Systems: Track temperatures in industrial processes and equipment.
- Scientific Research: Use in experiments where precise temperature readings are required.
- Weather Stations: Collect ambient temperature data for weather monitoring systems.
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