Sensors & Input

SKU: PI-PSA001 | Brand: Pimoroni

The Pulse Sensor Amped is a plug-and-play heart-rate sensor for Arduino. It detects pulse by measuring changes in reflected light as blood pumps through your tissues, providing a real-time analogue signal that fluctua...

SKU: PL-1696 | Brand: Pololu

This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the 0.58″-diameter (1.5 cm) active area...

SKU: PL-2458 | Brand: Pololu

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 almost anywhere and is great for edge detection and line fo...

SKU: PL-2453 | Brand: Pololu

A compact carrier board for the Allegro ACS711EX Hall effect-based linear current sensor with overcurrent fault output. It measures bidirectional current up to ±31 A with a proportional analogue voltage output centred...

SKU: SF-SEN-08679 | Brand: SparkFun

A thin, flexible membrane potentiometer that senses finger or stylus position along a 200 mm strip. Pressing anywhere on the strip varies resistance linearly from 100 Ω to 10 kΩ, providing accurate positional data for...

SKU: AF-4881 | Brand: Adafruit

Here is a jolly cute, palm-sized, Bluetooth-enabled sensor to monitor your room's temperature and humidity. Only 43mm x 43mm, we dig its small form factor and minimal design. The shell is made of durable ABS&nbsp...

SKU: AF-4540 | Brand: Adafruit

A strain gauge is a type of electronic sensor used to measure force or strain (big surprise there). They are made of an insulating flexible backing with a metallic foil pattern. The resistance of a strain gauge change...

SKU: SF-COM-14622 | Brand: SparkFun

An adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiometer just turn the dial and the resistance changes. This potentiometer has a ¼" metal knurled shaft diameter, solder ...

SKU: SF-SEN-14728 | Brand: SparkFun

This miniature straight bar load cell (sometimes called a strain gauge) can translate up to 500g of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that cha...

SKU: PR-PIM181 | Brand: Little Bird

Enviro pHAT packs 4 different sensors, letting you measure temperature, pressure, light level, colour, 3-axis motion, compass heading, and analog inputs. That's up to 10 different variables!It's ideal for monitoring c...

SKU: SS-314020031 | Brand: Seeed Studio

This is a reflective sensor combines a GaA1As infrared light emitting diode with a high sensitive Darlington phototransistor in a mini package.   Features Compact High performance High output Easy to m...

SKU: PL-1643 | Brand: Pololu

Sparkfun’s carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analog voltage that varies nearly linearly with humidity. It operates at 5 V while drawing only 200 μA and ...

SKU: DF-SEN0086 | Brand: DFRobot

A simple flex sensor 2.2" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power G...

SKU: DF-SEN0272 | Brand: DFRobot

The weather resistant MB7374 HRXL-MaxSonar-WRST7 has millimeter resolution and a 6Hz read rate, and provides short to long distance detection and range information from 500mm to 5000mm for the nearest detectable targe...

SKU: EF-EF04003 | Brand: ElecFreaks

The Octopus Flame Sensor is a simple infrared-based module that detects the presence of a flame or fire source. Part of the Octopus Electronic Bricks system, it connects directly to Arduino and compatible boards with ...

SKU: M5-A048 | Brand: Little Bird

Description TRACE is mainly consist of 4 sets of IR, 1x infrared emitting and 1x infrared receiver for each set. The infrared LEDs should be placed towards and close to the ground where having black tracing li...

SKU: M5-U051 | Brand: Little Bird

Including 7 Different Units: Ext.IO, Proto, Relay, 3.96, RS485, DAC, ADC  

SKU: M5-M017 | Brand: Little Bird

Description Node, like its namesake, is a smart node with full-featured functions in a IoT application scenarios. Together with M5Stack Core, it can be programmed as an intelligent speaker like Echo. Node provides ...

SKU: DF-SEN0266 | Brand: DFRobot

The MB7489 4-20HR-MaxSonar-WRMI is a rugged, weather-resistant ultrasonic distance sensor designed for outdoor applications. It provides millimetre-resolution distance readings from 500mm to 5000mm using a 4–20mA anal...

SKU: PL-4453 | Brand: Pololu

The QTRX-MD-13A is a 13-channel reflectance sensor array designed for line-following robots and reflectance detection applications. It uses high-performance QTRX sensor modules with lenses, providing strong performanc...