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Need to measure precise pH? This kit includes everything you need including buffer solutions for calibration, pH probe, and e…
The SparkFun Sound Detector is a small and very easy-to-use audio sensing board with three different outputs. The Sound Detec…
The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for env…
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 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…
The SparkFun MLX90393 Magnetometer Breakout is a 3-axis magnetic sensor, capable of sensing very small fields even under satu…
These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes …
This is the SparkFun "Time-of-Flight" Range Finder, a sensor board for the VL6180 distance sensor. Unlike most distance senso…
This is the BITalino ( r )evolution Board Kit, a (comparatively) low-cost biomedical data acquisition dev board that allows y…
The Touch Board from [Bare Conductive](http://www.bareconductive.com/about/) is an easy-to-use Arduino@Heart board that gives…
The Walabot Starter is a small, programmable sensor tool that looks into objects using radio frequency technology sense the e…
Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and …
This is a [piezoresistive](http://www.google.com/url?sa=t&ct=res&cd=1&url=http%3A%2F%2Fen.wikipedia.org%2Fwiki%2FPiezoresisto…
This breakout board makes it easy to use the tiny MMA8452Q accelerometer in your project. The MMA8452Q is a smart low-power, …
Infrared proximity sensor made by Sharp. Part # GP2Y0A21YK has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm…
The TMP102 is an easy-to-use digital temperature sensor from Texas Instruments. The TMP102 breakout allows you to easily inco…
This is the fantastically easy to use sensor from [Maxbotix](http://www.maxbotix.com). We are extremely pleased with the size…
This is a glass, cylindrical RFID tag; it's very similar to those [implanted into pets](http://en.wikipedia.org/wiki/Pet_chip…
The ADXL337 is a small, thin, low power, complete 3-axis accelerometer with signal conditioned analog voltage outputs that me…
Infrared proximity sensor made by Sharp. Part # GP2Y0A41SK0F has an analog output that varies from 3.1V at 4cm to 0.3V at 30c…
RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for the purp…
This is a simple, thumbnail-size RFID tag. These tags are great for sensing presence, identification, etc., and they're small…
This is an evaluation board for the MLX90614 IR Thermometer. The sensor is connected to an ATmega328 running at 3.3V with a 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 …
This breakout board makes it easy to use the tiny MMA8452Q accelerometer communicate over I2C in your project.
The Qwiic RFID ID-XXLA is a simple board that pairs with and comes in a kit with, the [ID-12LA](https://www.sparkfun.com/prod…
This is the same temperature sensor that is included in our [SparkFun Inventor's Kit](http://www.sparkfun.com/products/12060)…
Basic breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don't. Sensor acts like a transis…
The APDS-9301 Ambient Light Sensor Breakout is an I2C-compatible luminosity sensor board that converts light intensity to a d…
The SparkFun MAX31855K Thermocouple Breakout is a simple 14-bit resolution, SPI-compatible, serial interface thermocouple dig…
Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way to w…
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 version of the QRE1113 breakout board features an easy-to-use analog output, which will vary depending on the amount of …
If you need to add user input without using a button, then a capacitive touch interface might be the answer. The AT42QT1011 S…
This is a breakout board for Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers…
This is the Magnetic Door Switch Set, a small reed switch assembly specifically designed to alert you when doors, drawers, or…
This is a small voltage and current sense PCB. DC current is determined by measuring a voltage drop across a pair of parallel…
The SparkFun Line Follower Array is a long board consisting of eight IR sensors that have been configured to read as digital …
The ADXL377 is a small, thin, low power, complete 3-axis accelerometer with signal conditioned analog voltage outputs that h…
The Type 5 Pocket Geiger Radiation Sensor from [Radiation Watch](http://www.Radiation-Watch.org) is a highly sensitive radiat…
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…
Three pin JST connector with red, black, and yellow colors. 5 inch wire outs. This cable comes fully assembled as shown and c…
Need to apply some sunscreen? SPF 15? SPF 50? SPF 5000? It's time to consult the Qwiic VEML6075 UV sensor! The **VEML6075*…
Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems i…
The SparkFun Photon Weather Shield is an easy-to-use add-on board that grants you access to barometric pressure, relative hum…
This breakout board makes it easy to use the tiny MMA8452Q accelerometer in your project. The MMA8452Q is a smart, low-power,…
The eTape Liquid Level Sensor from Milone Technologies is a great way to measure the level of a liquid. It has a resistive ou…
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