This is a very small infrared receiver based on the TSOP85 receiver from Vishay. This receiver has all the filtering and 3…

This is a simple, thumbnail-size RFID tag. These tags are great for sensing presence, identification, etc., and they'r…

The eTape Liquid Level Sensor from Milone Technologies is a great way to measure the level of a liquid. It has a resistive…

Breakout board for the low power, single axis ADXL193 MEMS accelerometer. The ADXL193 is a high-g sensor with a full scale…

This is a small voltage and current sense PCB. DC current is determined by measuring a voltage drop across a pair of paral…

These easy-to-use ultrasonic rangefinders from Maxbotix work the same way as the EZ line that you know and love, but this …

The MPR121 capacitive keypad uses the MPR121 and 12 touch sensitive pads to give you a simple 'keypad' with an I2C…

This outdoor sensor provides very short to long distance detection and ranging in a compact, robust PVC housing. The ultras…

This is a glass, cylindrical RFID tag; it's very similar to those implanted into pets for identification purposes. But…

This is not your typical temperature sensor. The TMP006 Breakout can measure the temperature of an object without making c…

The US1881 is an integrated Hall effect latched sensor. That's nice but what does it do? Holding a magnet near the sen…

The SMB130 is a 28 pin DIP module that includes all necessary components for a 13.56 MHz RFID Mifare, aside from a PCB ant…

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It…

This board is an evaluation platform for the SM130 RFID module. It includes an XBee header, PCB trace antenna, and has the …

The XL series of MaxSonars are a super high-performance version of the easy-to-use sonar range finder from Maxbotix. The X…

The Line Follower sensor is an add-on for your RedBot that gives your robot the ability to detect lines or nearby objects.…

This version of the QRE1113 breakout board features a digital output, using a capacitor discharge circuit to measure the am…

This is a piezoresistive force sensor from Tekscan. The harder you press, the lower the sensor's resistance. Pressing …

This is the fantastically easy to use sensor from Maxbotix. We are extremely pleased with the size, quality, and ease of u…

The IMU 3000 breakout features a 3-axis MEMS digital gyro with programmable ranges from +-250 to +-2000 degrees/sec. In ad…

 RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for …

Atlas Scientific is on a mission to make high-quality sensors for environmental monitoring available to everyday hackers a…

This very long force sensitive resistor - over 2 feet - has a sensing area of 0.25x24". This FSR from Interlink Electr…

These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly chang…

36" high temperature Type-K Thermocouple with glass braid insulation. Features: Type-K Thermocouple (Ni-Cr…

 This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared…

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detec…

Atlas Scientific is on a mission to make high-quality sensors for environmental monitoring available to everyday hackers a…

Atlas Scientific is on a mission to make high-quality sensors for environmental monitoring available to everyday hackers a…

This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing  natural gas (composed of mostly Me…

 The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resist…

These simple switches are the Mechanical Bumper sensor for the SparkFun RedBot, giving you the ability to detect a co…

10K thermistor with a negative temperature coefficient.  Good choice for temp-sensing aplications. Vishay part #: …

This basic piezo sensor from Measurement Specialties is often used for flex, touch, vibration and shock measurements. A sma…

This is a Arduino-compatible autopilot board designed by Chris Anderson and Jordi Muñoz of DIY Drones using the new …

These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly chang…

This sensor is composed of an infrared emitter on one upright and a shielded infrared detector on the other. By emitting a…

This is a small voltage and current sense PCB. DC current is determined by measuring a voltage drop across a pair of paral…

This is an evaluation board for the ADXL345 three-axis MEMS accelerometer. The ADXL345 is an awesome little accelerometer, …

Sale: We've released a new rev of this RedBot Accelerometer with pre-soldered headers and reduced the price of this ol…

These easy-to-use ultrasonic rangefinders from Maxbotix work the same way as the EZ line that you know and love, but this …

This is a super easy to use laser Bar Code Scanner. Simply plug the device into USB and it enumerates as a Human Interface…

The XL series of MaxSonars are a super high-performance version of the easy-to-use sonar range finder from Maxbotix. The X…

Do you ever wonder what your autonomous robots do all day? Or have you ever wanted to put yourself in the driver's sea…

This is a simple three track magnetic card reader with serial output. This reader connects to your computer with a DB9 for…

These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly chang…

The MPR121 IC is a great way to build simple capacitive touch interfaces, and now it's even easier to incorporate into…

Note: The High-Resolution version of this sensor is now available so this one is being discontinued. We're now selling…

The IMU 3000 breakout features a 3-axis MEMS digital gyro with programmable ranges from +-250 to +-2000 degrees/sec. In ad…

The TSL235R light-to-frequency converter outputs a square wave (50% duty cycle) with frequency directly proportional to li…