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This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO concentrations anywhere from 20 to 2000ppm.
This SparkFun breakout board houses the Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers it as an analog output voltage.
This unit is used in a variety of industrial applications such as computer server systems and web application control systems.
A simple but effective Grove water sensor. Expose the electrodes to a drop of water, and the signal drops very low. Can be used with both analog and digital ports.
Measure temperature and humidity with the pre-calibrated Grove TempHumi sensor.
For more precise environmental measurements using the Grove system.
This isn't a plain outdoor thermometer - it has a range of -50 to 600°C.
For simple and easy temperature measurement using the 1-wire protocol with a prepared DS18B20 sensor.
The I2C-TMP board is a 6-pin CMOS 12-bit digital temperature sensor device using I2C bus. There are no external components required.
This Digital Thermal probe/sensor DS18B20 is a rugged beast, it's epoxy encapsulated within a stainless steel tube and ready to brave the elements.
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