Sparkfun

The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positive power rail and the INA169 m...

These simple switches are the Mechanical Bumper sensor for the SparkFun RedBot, giving you the ability to detect a collision before it really happe...

RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for the purposes of identifying an...

RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for the purposes of identifying an...

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

Need to put your finger on the pulse of the Earth? Did I just blow your mind? A geophone works by translating ground movement into voltage, which c...

We\'ve been using and selling Analog Devices\' ADXL accelerometers for a good while now, and now we\'ve found another great part in the series! The...

This is a basic RFID tag that functions within the MIFARE Classic® 1K guidelines. You can use these for all sorts of identification and sensing app...

Life has its ups and downs, so why not measure them? The MPL3115A2 is a MEMS pressure sensor that provides Altitude data to within 30cm (with overs...

This non-invasive current sensor (also known as a \"split core current transformer\") can be clamped around the supply line of an electrical load t...

This is the same temperature sensor that is included in our [SparkFun Inventor\'s Kit](http://www.sparkfun.com/products/12060). The TMP36 is a low ...

The MPU-6050 is a serious little piece of motion processing tech! By combining a MEMS 3-axis gyroscope and a 3-axis accelerometer on the same silic...

This is a simple-to-use [hydrogen gas](http://en.wikipedia.org/wiki/Hydrogen_gas) sensor, suitable for sensing hydrogen concentrations in the air. ...

This is an evaluation board for the MLX90614 IR Thermometer. The sensor is connected to an ATmega328 running at 3.3V with a STK500 (Arduino) 8MHz b...

Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty easily by reading the ...

This AT407 basic tilt switch can easily be used to detect orientation. Inside the can is a ball that make contact with the pins when the case is up...

Use this simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use package, it mates well ...

A simple flex sensor 2.2\" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - ...

This is a basic RFID tag that functions within the MIFARE Classic® 1K guidelines. You can use these for all sorts of identification and sensing app...

This is a basic RFID tag that functions within the MIFARE Classic® 1K guidelines. You can use these for all sorts of identification and sensing app...

The SparkFun RFID USB Reader is a simple to use, USB to serial base unit for the ID-3LA, ID-12LA, and ID-20LA readers. Simply plug a reader into th...

This new version adds two standoff holes as well as an extra decoupling capacitor. The ADXL345 is a small, thin, low power, 3-axis MEMS acceleromet...

This very long force sensitive resistor - over 2 feet - has a sensing area of 0.25x24\". This FSR from Interlink Electronics will vary its resistan...

The MPL115A1 is a digital barometer that uses MEMs technology to give accurate pressure measurements between 50kPa and 115kPa. We stock the SPI int...