Environmental Sensors for Temperature and Humidity

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.

$ 5.95

In stock in Australia

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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.

$ 18.95

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MLX90614ESF-AAA Infrared Temperature Sensor 90° FOV

Code: SEN-10027

The Melexis MLX90614ESF-AAA is a high-accuracy, high-resolution, non-contact thermometer with a 90-degree field of view. It has a measurement resolution of 0.02°C and is factory calibrated for a wide -70 to 380°C object temperature range. The sensor uses an SMBus (I²C-compatible) digital interfac...

$ 76.95

In stock in Australia

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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.

$ 22.95

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SparkFun Humidity and Temperature Sensor Breakout - Si7021

Code: SKU-002272

The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for build a weather stations or humidor control system.

$ 12.95

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SparkFun Lightning Detector - AS3935

Code: SKU-005709

The SparkFun Lightning Detector adds lightning detection to your next weather station to make sure you are aware of any potential hazardous weather heading your way.

$ 40.95

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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.

$ 9.95

In stock in Australia

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SparkFun Weather Shield

Code: SKU-003938

The SparkFun Weather Shield is an easy-to-use Arduino shield that grants you access to barometric pressure, relative humidity, luminosity and temperature.

$ 64.95

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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.

$ 22.95

In stock in Australia

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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.

$ 2.60

In stock in Australia

We can ship 1987 more in 7 days