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The SM-24 geophone element is designed to offer the highest performance in seismic exploration based upon field-proven I/O Se…
This is a [piezoresistive](http://www.google.com/url?sa=t&ct=res&cd=1&url=http%3A%2F%2Fen.wikipedia.org%2Fwiki%2FPiezoresisto…
The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for env…
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 your simple three conductor sensor cable with electrode pad leads. These cables are 24" long and feature a 3.5mm audi…
This is a glass, cylindrical RFID tag; it's very similar to those [implanted into pets](http://en.wikipedia.org/wiki/Pet_chip…
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 breakout board makes it easy to use the tiny MMA8452Q accelerometer in your project. The MMA8452Q is a smart low-power, …
This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. I…
This is not your normal PIR! The SparkFun AK9753 Human Presence Sensor Breakout is a Qwiic enabled, 4-channel Nondispersive I…
Want to start playing with sensors, but don't know where to begin? This kit includes a variety of basic sensors for any begin…
The TMP102 is an easy-to-use digital temperature sensor from Texas Instruments. The TMP102 breakout allows you to easily inco…
The SparkFun MLX90393 Magnetometer Breakout is a 3-axis magnetic sensor, capable of sensing very small fields even under satu…
This straight bar load cell (sometimes called a strain gauge) can translate up to 500g of pressure (force) into an electrical…
The SparkFun Sound Detector is a small and very easy-to-use audio sensing board with three different outputs. The Sound Detec…
Infrared proximity sensor made by Sharp. Part # GP2Y0A21YK has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm…
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…
The SparkFun Variable Load is a quick to assemble kit that has been designed to allow users to draw a specific amount of curr…
This is the SparkFun "Time-of-Flight" Range Finder, a sensor board for the VL6180 distance sensor. Unlike most distance senso…
The APDS-9301 Ambient Light Sensor Breakout is an I2C-compatible luminosity sensor board that converts light intensity to a d…
This straight bar load cell (sometimes called a strain gauge) can translate up to 100g of pressure (force) into an electrical…
This straight bar load cell (sometimes called a strain gauge) can translate up to 5kg of pressure (force) into an electrical …
Infrared proximity sensor made by Sharp. Part # GP2Y0A02YK0F has an analog output that varies from 2.8V at 15cm to 0.4V at 15…
This breakout board makes it easy to use the tiny MMA8452Q accelerometer in your project. The MMA8452Q is a smart, low-power,…
These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes …
This version of the QRE1113 breakout board features an easy-to-use analog output, which will vary depending on the amount of …
Need to measure precise pH? This kit includes everything you need including buffer solutions for calibration, pH probe, and e…
The SparkFun Photon Weather Shield is an easy-to-use add-on board that grants you access to barometric pressure, relative hum…
The Type 5 Pocket Geiger Radiation Sensor from [Radiation Watch](http://www.Radiation-Watch.org) is a highly sensitive radiat…
The SparkFun ESP32 Thing Environment Sensor Shield provides sensors and hookups for monitoring environmental conditions.
Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and …
The Line Follower sensor is an add-on for your RedBot that gives your robot the ability to detect lines or nearby objects. Th…
This is the same temperature sensor that is included in our [SparkFun Inventor's Kit](http://www.sparkfun.com/products/12060)…
The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positi…
If you need to add user input without using a button, then a capacitive touch interface might be the answer. The AT42QT1011 S…
Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty …
RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for the purp…
Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems i…
The SparkFun MAX31855K Thermocouple Breakout is a simple 14-bit resolution, SPI-compatible, serial interface thermocouple dig…
The Touch Board from Bare Conductive is an easy-to-use Arduino@Heart board that gives you the ability to turn almost any mate…
Infrared proximity sensor made by Sharp. Part # GP2Y0A41SK0F has an analog output that varies from 3.1V at 4cm to 0.3V at 30c…
This is a simple, thumbnail-size RFID tag. These tags are great for sensing presence, identification, etc., and they're small…
Atlas Scientific is on a mission to make high-quality sensors for environmental monitoring available to everyday hackers and …
The Walabot Starter is a small, programmable sensor tool that looks into objects using radio frequency technology sense the e…
Basic breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don't. Sensor acts like a transis…
This is the new, weather resistant, field-hardened WR1 from [Maxbotix](http://www.maxbotix.com/). The XL series of this senso…
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