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Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems i…
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 is the fantastically easy to use sensor from [Maxbotix](http://www.maxbotix.com). We are extremely pleased with the size…
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 a small voltage and current sense PCB. DC current is determined by measuring a voltage drop across a pair of parallel…
If you need to add user input without using a button, then a capacitive touch interface might be the answer. The AT42QT1010 S…
This straight bar load cell (sometimes called a strain gauge) can translate up to 10kg of pressure (force) into an electrical…
This breakout board makes it easy to use the tiny MMA8452Q accelerometer in your project. The MMA8452Q is a smart, low-power,…
This basic piezo sensor from Measurement Specialties is often used for flex, touch, vibration and shock measurements. A small…
The SST Liquid Level Sensor provides single point liquid detection via a TTL compatible push/pull output. This optical liquid…
Breakout board for the low power, single axis ADXL193 MEMS accelerometer. The ADXL193 is a high-g sensor with a full scale ra…
This is the BITalino ( r )evolution Board Kit, a (comparatively) low-cost biomedical data acquisition dev board that allows y…
Three pin JST connector with red, black, and yellow colors. 5 inch wire outs. This cable comes fully assembled as shown and c…
The eTape Liquid Level Sensor from Milone Technologies is a great way to measure the level of a liquid. It has a resistive ou…
This version of the QRE1113 breakout board features an easy-to-use analog output, which will vary depending on the amount of …
These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes …
Atlas Scientific is on a mission to make high-quality sensors for environmental monitoring available to everyday hackers and …
The ADXL377 is a small, thin, low power, complete 3-axis accelerometer with signal conditioned analog voltage outputs that h…
This Thermocouple Connector is perfect for bridging the gap between Type-K thermocouples with standard connectors with a PCB.…
This very long force sensitive resistor - over 2 feet - has a sensing area of 0.25x24". This FSR from Interlink Electronics w…
Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way to w…
This is a glass, cylindrical RFID tag; it's very similar to those [implanted into pets](http://en.wikipedia.org/wiki/Pet_chip…
This is a breakout board for the fully integrated Hall Effect based linear ACS712 current sensor. The sensor gives precise cu…
The LIS3DH Breakout is a smart, low-power, three-axis, capacitive micro-machined accelerometer with 12 bits of resolution tha…
The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positi…
Are you a super spy trying to spot ninja assassins in the dark? Or maybe you're just trying to figure out who's been sneaking…
This is a [piezoresistive](http://www.google.com/url?sa=t&ct=res&cd=1&url=http%3A%2F%2Fen.wikipedia.org%2Fwiki%2FPiezoresisto…
These easy-to-use ultrasonic rangefinders from Maxbotix work the same way as the EZ line that you know and love, but this new…
This non-contact infrared thermometer makes it a breeze to take quick and accurate surface temperature readings without getti…
This is a simple-to-use [Carbon Monoxide (CO)](http://en.wikipedia.org/wiki/Carbon_monoxide) sensor, suitable for sensing CO …
This is a simple, thumbnail-size RFID tag. These tags are great for sensing presence, identification, etc., and they're small…
We've been using and selling Analog Devices' ADXL accelerometers for a good while now, and now we've found another great part…
This is the Mindwave Mobile from NeuroSky, an [EEG](http://en.wikipedia.org/wiki/Electroencephalography) headset that safely …
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…
Use this simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use p…
The LSM6DS3 is a accelerometer and gyroscope sensor with a giant 8kb FIFO buffer and embedded processing interrupt functions,…
This outdoor sensor provides very short to long distance detection and ranging in a compact, robust PVC housing. The ultrason…
This is a small device called a [reed switch](http://en.wikipedia.org/wiki/Reed_switch). When the device is exposed to a magn…
This is the latest DS18B20 1-Wire digital temperature sensor from Maxim IC. Reports degrees C with 9 to 12-bit precision, -55…
The US1881 is an integrated Hall effect latched sensor. That's nice but what does it do? Holding a magnet near the sensor wil…
You might know RFID as the technology that Big Brother uses to *track your every move*. Quickly, don the [tinfoil hats](https…
36" high temperature Type-K Thermocouple with glass braid insulation. **Features:** * Type-K Thermocouple (Ni-Cr) * 30 gaug…
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