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The CCS811 Air Quality Breakout is a digital gas sensor solution that senses a wide range of Total Volatile Organic Compounds…
The SparkFun ESP32 Thing Environment Sensor Shield provides sensors and hookups for monitoring environmental conditions. Whil…
This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interf…
Whether you're an agriculturalist, a professional meteorologist or a weather hobbyist, building your own weather station can …
The SparkFun Sound Detector is a small and very easy to use audio sensing board with three different outputs. The Sound Detec…
The SparkFun Weather Shield is an easy-to-use Arduino shield that grants you access to barometric pressure, relative humidity…
The SparkFun BME280 Atmospheric Sensor Breakout is the easy way to measure barometric pressure, humidity, and temperature rea…
The RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sens…
The HMC6343 is a fully integrated high end electronic compass module that can compute and give you a heading direction that 
This is the MS5803-14BA Pressure Sensor Breakout, a high resolution pressure sensor with both an I2C and SPI interface. This …
This small breakout board couples an Electret microphone (100Hz--10kHz) with a 60x mic preamplifier to amplify the sounds of …
Do you make time to talk to your Arduino? Maybe you should! The EasyVR Shield 3.0 is a voice recognition shield for Arduino b…
The SHT15 Breakout is an easy to use, highly accurate, digital temperature and humidity sensor. This board has been fully cal…
Life has its ups and downs, so why not measure them? The MPL3115A2 is a MEMS pressure sensor that provides Altitude data to w…
This tiny breakout board features the ADMP401 MEMS microphone. One of the key advantages to this breakout and microphone is t…
Freescale’s MAG3110 is a small, low-power, digital 3-axis magnetometer. The device can be used in conjunction with a 3-axis…
This is a breakout board for Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers…
The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for env…
The SparkFun Photon Weather Shield is an easy-to-use add-on board that grants you access to barometric pressure, relative hum…
This is the same temperature sensor that is included in our [SparkFun Inventor's Kit](http://www.sparkfun.com/products/12060)…
The TMP102 is an easy-to-use digital temperature sensor from Texas Instruments. The TMP102 breakout allows you to easily inco…
Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and …
The SparkFun MAX31855K Thermocouple Breakout is a simple 14-bit resolution, SPI-compatible, serial interface thermocouple dig…
It's not the heat but the humidity that gets you, at least that's what they say. Really, both are important, what you need is…
This Thermocouple Connector is perfect for bridging the gap between Type-K thermocouples with standard connectors with a PCB.…
This non-contact infrared thermometer makes it a breeze to take quick and accurate surface temperature readings without getti…
The LSM303C is a 6 Degrees of Freedom (6DOF) inertial measurement unit (IMU) in a single package, specifically developed as a…
This is the Magnetic Door Switch Set, a small reed switch assembly specifically designed to alert you when doors, drawers, or…
This is the latest DS18B20 1-Wire digital temperature sensor from Maxim IC. Reports degrees C with 9 to 12-bit precision, -55…
This is a small device called a [reed switch](http://en.wikipedia.org/wiki/Reed_switch). When the device is exposed to a magn…
The US1881 is an integrated Hall effect latched sensor. That's nice but what does it do? Holding a magnet near the sensor wil…
36" high temperature Type-K Thermocouple with glass braid insulation. **Features:** * Type-K Thermocouple (Ni-Cr) * 30 gaug…
This is an evaluation board for the MLX90614 IR Thermometer. The sensor is connected to an ATmega328 running at 3.3V with a S…
This is not your typical temperature sensor. The TMP006 Breakout can measure the temperature of an object without making cont…
Now mounted on a breakout board, the MPL115A1 is a digital barometer that uses MEMs technology to give accurate pressure meas…
This is a stainless steel, Type-K Thermocouple probe. A thermocouple works by taking two wires made of dissimilar metals, con…
10K thermistor with a negative temperature coefficient. Good choice for temp-sensing applications when you need a reliable NT…
Small electret microphone. Useful in acoustic and audio applications. **Documents:** * [Datasheet](http://cdn.sparkfun.co…
The MAX31820 ambient temperature sensor provides 9-bit to 12-bit Celsius temperature measurements with ±0.5°C accuracy over…
The SparkFun H2OhNo! is a water sensor alarm kit that you build yourself. When water is detected across the sense pins an ala…
The LilyPad Reed Switch is a simple breakout for a reed switch that will make it easy to use in e-textiles circuits in exactl…
This is the Vernier Gas Pressure Sensor, an easy to operate tool that can be used to monitor pressure changes of a gaseous el…
This is the Stainless Steel Temperature Probe, a tough little Vernier Sensor that can be used to measure the temperature of o…
The ADMP401 is a high quality, low cost analog output bottom ported omnidirectional MEMS microphone. That was a mouthful! A w…
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