Sensors

The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted...

Breakout board for the 3 axis ADXL335 from Analog Devices. This is the latest in a long, proven line of analog sensors - the holy grail of accelero...

The LIS3DH is a very popular low power triple-axis accelerometer. It's low-cost, but has just about every 'extra' you'd want in an accelerometer: T...

Add a teeny analog light sensor, the ALS PT19 analog light sensor is a great way to upgrade a project that uses a photocell and needs RoHS complian...

The SparkFun 9DoF Sensor Stick is an easy-to-use 9 Degrees of Freedom IMU. The Sensor Stick deftly utilizes the LSM9DS1 motion-sensing system-in...

A relay is an electrically operated switch, which has a control system (also known as the input circuit) and the controlled system (also known a...

Press to release pleasure! Our redesigned digital push buttons come with LED, immersion gold surface, and bright colored hats. A captital D at l...

Wide range, low power temperature sensor outputs an analog voltage that is proportional to the ambient temperature. To use, connect pin 1 (left)...

This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 c...

Why measure EC (Electrical Conductivity) ? The salinity of the soil, irrigation water systems or fertilizer solutions is an important parameter ...

Connect this to that with an IDC cable! This cable has 6 pins (2x3) in 0.1"x0.1" spacing. Often used for programming AVRs. 6" long with two sockets...

PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an a...

Sometimes a simple analog control device can be the perfect tactile solution for your project, but they can be surprisingly hard to come by. Luc...

This is your simple three conductor sensor cable with electrode pad leads. These cables are 24" long and feature a 3.5mm audio jack connector on on...

For precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a ...

INTRODUCTION   Are you still looking for a UHF RFID tag for your UHF RFID reader? Try this one! This RFID tag Alien higgs3 chip accords with ISO...

INTRODUCTION This product measures soil moisture levels by capacitive sensing, rather than resistive sensing like other types of moisture sensor. I...

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...

INTRODUCTION The digital sensor cables are especially designed for our popular IO Expansion shield and sensors. It con...

Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. The MAX31855K does everything for you, and can ...

Sensiron Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. And, finally we have some that have a true...

This Gravity Analog 20A current sensor is based on the Hall current sensing principle. It can be used for AC or DC current measurement, has a wide...

The Gravity 4Pin IIC/I2C/UART sensor cable is a standard Gravity series 4-Pin cable with 30cm length. One side is PH2.0-4p connector and the ot...

The Adafruit AS7341 10-Channel Light / Color Sensor Breakout is a multi-channel spectrometer, which is a special type of light sensor that is able ...