DFRobot
Waterproof DS18B20 Digital Temperature Sensor For Arduino
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This is a waterproofed version of the DS18B20 Temperature sensor. Handy for when you need to measure something far away, or in wet conditions. Whil...
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This is a waterproofed version of the DS18B20 Temperature sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC so we suggest keeping it under 100°C. Because they are digital, you don't get any signal degradation even over long distances! The DS18B20 provides 9 to 12-bit (configurable) temperature readings over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor.Usable with 3.0-5.5V systems.
Because each DS18B20 contains a unique silicon serial number, multiple DS18B20s can exist on the same 1-Wire bus. This allows for placing temperature sensors in many different places. Applications where this feature is useful include HVAC environmental controls, sensing temperatures inside buildings,equipment or machinery, and process monitoring and control.
With our plugable terminal, there is no soldering required to connect to our IO Expansion Shield.
SPECIFICATION}
- Usable with 3.0V to 5.5V power/data
- ±0.5°C Accuracy from -10°C to +85°C
- Usable temperature range: -55 to 125°C (-67°F to +257°F)
- 9 to 12 bit selectable resolution
- Uses 1-Wire interface- requires only one digital pin for communication
- Unique 64 bit ID burned into chip
- Multiple sensors can share one pin
- Temperature-limit alarm system
- Query time is less than 750ms
- 3 wires interface:
- Type A
- Red wire - VCC
- Black wire- GND
- Yellow wire- DATA
- Type B (Recently there's a series of sensors using this pin mapping. Sorry for the inconvenience.)
- Red wire - VCC
- Yellow wire- GND
- Green wire- DATA
- Type A
- Stainless steel tube 6mm diameter by 35mm long
- Cable diameter: 4mm(0.16)
- Length: 90cm(35.43")
DOCUMENTS
- Wiki
- DS18B20 datasheet
- Sample code for Arduino 1.0
- Sample code for IDE under 1.0
- One Wire library
- How it works- DS18B20 and Arduino
- Zip file with all of the above
SHIPPING LIST
- Waterproof DS18B20 Digital temperature sensor x1
Jargon buster
Plain-language definitions for the technical terms used above.
- 1-Wire
- 1-Wire is a communication method where devices share a single data line, often with each device having its own address. It matters because several temperature modules can be connected to one microcontroller pin instead of needing a separate pin for each probe.
- DS18B20
- A common digital temperature sensor often sold in waterproof probe form. It matters here because the kit does not include temperature measurement, and a DS18B20 is the suggested add-on if your water readings need temperature context.
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DS18B20 Waterproof Sensor Datasheet
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Supplier page — dfrobot.com
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