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Most low cost soil sensors are resistive style, where there's two prongs and the sensor measures the conductivity between the two. These work OK at...

The Environmental Monitoring version of the SparkFun OpenLog Data Collector Kit with Machinechat is an easy way to organize and display your data f...

pitch × sensors size(mm) output max current optimalrange LED board 8 mm × 13 101.0 × 16.5 RC (digital) 30 mA 220...

This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is b...

The weather resistant MB7574 SCXL-MaxSonar-WRST7 sensor features millimeter resolution and a 0.6Hz read rate, provides short to long distance detec...

Sometimes you need to sense pressure in a damp or caustic environment. And sometimes you need to know the relative changes in pressure as well as t...

The 3108 - K-Type thermocouple can take continuous temperature readings between -50°C to +800°C with a ±0.75°C accuracy. The 3108 can also take ...

The weather resistant MB7586 SCXL-MaxSonar-WRLT sensor features millimeter resolution and a 0.6Hz read rate, provides short to long distance detect...

The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical th...

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...

Force-sensing linear potentiometers (FSLPs) from Interlink Electronics are passive components with resistances that depend on the magnitude and loc...

This board is a simple carrier of Allegro’s ±5A ACS714 Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mΩ) current pat...

A simple flex sensor 4.5\" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - ...

This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT30 sensor IC. Thanks to Sensirion’s CMOSens® technolog...

The i-Snail VC-50 measures up to 50 amps AC on a wire that passes through its window. Connects to an Analog Input or VINT Hub port.

This low-cost SFR02 ultrasonic ranger has both I2C and Serial interfaces. New AutoTune algorithms intelligently back the minimum range right up to ...

A load cell is a force sensing module - a carefully designed metal structure, with small elements called strain gauges mounted in precise locations...

The AHT20 is a high-precision but low-cost temperature and humidity sensor, which is equipped with an improved MEMS semiconductor capacitive humidi...

This board is a simple carrier of Allegro’s bidirectional ±2.5A ACS724LLCTR-2P5AB Hall effect-based linear current sensor, which offers a low-resis...

Sensirion Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. The SHT41 sensor is the fourth generation...

This conductive material (also known as "Velostat" or "Linqstat") is a nice addition for your wearable/sensor hacking toolkit. It's pressure-sensit...