Sensors & Input

SKU: SF-SEN-08880 | Brand: SparkFun

The MQ-3 is an alcohol gas sensor suitable for detecting alcohol concentration in the air, similar to a breathalyser. It provides an analog resistive output based on alcohol concentration, with high sensitivity and fa...

SKU: TB-ZZ8978 | Brand: Little Bird

A blank 13.56MHz RFID/NFC card with 1KB of data storage, compatible with common RFID reader modules and many NFC-enabled Android phones. This standard credit-card-sized card operates at 13.56MHz and is ideal for acce...

SKU: SF-SEN-11827 | Brand: SparkFun

RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for the purposes of identifying and tracking tags attached to objects. This is the ID-12LA, a very simpl...

SKU: DF-SEN0147 | Brand: DFRobot

This time we reinvented the line-tracking sensor. Beyond recognizing two specific colors or output through digital or analog only, the Smart Gray Sensor has integrated both digital and analog output features. In ...

SKU: SF-SEN-00242 | Brand: SparkFun

The Sharp GP2Y0A21YK is an infrared proximity sensor with an analogue voltage output that varies with distance — from 3.1 V at 10 cm to 0.4 V at 80 cm. It uses an IR emitter and position-sensitive detector to measure ...

SKU: PL-1133 | Brand: Pololu

This compact carrier board from Pololu makes it easy to integrate a Sharp GP2Y0D815Z0F, GP2Y0D810Z0F, or GP2Y0D805Z0F digital distance sensor into your project. It provides all the required external components, an on-...

SKU: DF-SEN0143 | Brand: DFRobot

This Infrared Proximity Sensor made by Sharp (model: GP2Y0A41SKOF) has an analog output which varies from 3.1V (4cm) to 0.3V (30cm) with a supply voltage between 4.5 and 5.5V DC. This sensor is great for sensing obje...

SKU: DF-SEN0168 | Brand: DFRobot

This Triple Axis Accelerometer with Bosch BMA220 is an ultra small triaxial, low-g acceleration sensor breakboard with SPI and I2C interface, aiming for low power consumer market applications. It allows measurem...

SKU: SF-SEN-13322 | Brand: SparkFun

The SparkFun Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials. The soil moisture sensor is pretty straight forward to use. The two large exposed pads function as probe...

SKU: SF-SEN-13285 | Brand: SparkFun

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. If anything moves after that period, the ‘alarm’ pin will go low.This unit works great from 5...

SKU: AF-334 | Brand: Adafruit

If you've got a resistive touch screen that you'd like to use, you'll need this breakout! It has a fine pitch (0.5mm) connector soldered onto it and it's broken out into the 4 resistive wires of the panel. A petite...

SKU: SF-SEN-13266 | Brand: SparkFun

The SparkFun MAX31855K Thermocouple Breakout is a simple 14-bit resolution, SPI-compatible, serial interface thermocouple digitizer that makes reading a wide range of temperatures possible. A thermocouple works by ...

SKU: SF-COM-13247 | Brand: SparkFun

This is the Magnetic Door Switch Set, a small reed switch assembly specifically designed to alert you when doors, drawers, or any other aperture opens. These types of switches are primarily used in home security syste...

SKU: AF-360 | Brand: Adafruit

This blank 13.56 MHz RFID/NFC white tag is a compact disc-shaped token commonly used for laundry tracking, garment identification, and asset tagging. It contains a Mifare Classic 1K chip with 1 KB of writable EEPROM s...

SKU: SF-SEN-11084 | Brand: SparkFun

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 oversampling enabled). The sensor outputs are digitized by a high reso...

SKU: AF-374 | Brand: Adafruit

These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontro...

SKU: AF-386 | Brand: Adafruit

The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no an...

SKU: SF-SEN-11005 | Brand: SparkFun

This non-invasive current sensor (also known as a split-core current transformer) clamps around the supply line of an electrical load to measure how much current is flowing through it. The sensor acts as an inductor, ...

SKU: AF-444 | Brand: Adafruit

Add a tiny joystick to your project with this PSP thumbstick. This is a replacement component for PSP1000's, but we think they'd make for a great little joystick/thumbstick add-on for a wearable, or portable pro...

SKU: SF-SEN-13030 | Brand: SparkFun

The SparkFun RFID Reader Breakout converts the 2mm pin spacing of ID-series RFID readers to breadboard-friendly 0.1" headers. Compatible with the ID-3LA, ID-12LA, and ID-20LA readers, this board lets you solder the re...