Environmental Sensors for Temperature and Humidity

Analogue Temperature Sensor TSA01 -40°C to +125°C

Code: SEN-10043

TSA01 Analogue temperature sensor from Devantech Ltd with a -40°C to +125°C range enables you to quickly add temperature measurement to your project. The module is very easy to mount and the terminal block allows for easy hook up.


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Devantech TPA81 8x1 Thermopile Array Infrared Sensor

Code: SEN-10011

The Devantech TPA81 thermopile array is an infrared sensor that can measure 8 adjacent pixels simultaneously in the 2um-22um spectrum enabling it to detect infrared radiation from people, flames or other sources. Can be used to track people!


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Digital Temperature Sensor DS18B20 –55°C to +125°C

Code: SEN-10081

DS18B20 1-Wire digital temperature sensor from Maxim IC has a range of –55°C to +125°C. Each sensor is uniquely addressable via a 64bit serial number so lots of sensors can be used on the same bus. Powered from 3v to 5.5V the sensor has up to 12bit resolution at ±0.5°C accuracy.


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Ship 893 units in 7 days

MPL3115A2 Altitude/Pressure Sensor Breakout

Code: SEN-10050

MPL3115A2 Altitude/Pressure Sensor measures altitude to with 30cm resolution and includes a temperature reading. The sensor can perform autonomous data acquisition and has programmable events. Communication is via the I2C interface.


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Ship 139 units in 7 days

SparkFun Soil Moisture Sensor with Gold Plated PCB

Code: SEN-10085

Measure the moisture level in soil using the SparkFun Soil Moisture Sensor. The two probes are inserted into dirt, sand or similar materials and the sensor returns an analog voltage signal based on the amount of conductivity due to the water in the soil.


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Ship 472 units in 7 days

Temperature and Humidity Sensor Module DHT11 0°C to +50°C

Code: SEN-10059

DHT11 digital temperature and humidity sensor features low power consumption, temperature compensation and inbuilt microcontroller for accurate readings. Easy hookup using the included cable.


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Temperature Sensor - Waterproof (DS18B20)

Code: SKU-000879

This waterproof digital temperature probe with a total length of 6 feet has a temperature range of -55°C to+125°C and uses 1-wire interface for communication.


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Ship 132 units in 7 days

Temperature Sensor TMP36 −40°C to +125°C Analog Voltage

Code: SEN-10079

The TMP36 is a simple to use temperature sensor with an analog voltage output that varies linearly with the ambient temperature. It reads from −40°C to +125°C and operates at 2.7V - 5.5V DC so is suitable for most microcontrollers or analog circuits.


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Ship 2564 units in 7 days

HIH-4030 Humidity Sensor Carrier

Code: SKU-002710

Sparkfun’s carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analogue voltage that varies nearly linearly with humidity. It operates at 5 V while drawing only 200 μA and has a 0.1" pin spacing that makes it compatible with standard breadboards and perfboards.


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Ship 12 units in 7 days

Humidity and Temperature Sensor - RHT03

Code: SKU-000598

The RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature.


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Ship 779 units in 7 days