Sensors & Input

SKU: DF-DFR0469 | Brand: DFRobot

A high-precision I2C real-time clock (RTC) module from DFRobot's Gravity series, based on the SD2405AL chip. It features an internal rechargeable battery that keeps time for 5–8 years without external power, making it...

SKU: DF-SEN0239 | Brand: DFRobot

A digital infrared proximity sensor with adjustable detection range from 0 to 200 cm. Outputs a simple digital signal — HIGH when an obstacle is detected, LOW when clear. The detection threshold is adjustable via a re...

SKU: AF-1231 | Brand: Adafruit

The ADXL345 from Analog Devices is a triple-axis digital accelerometer with both I2C and SPI interfaces. This breakout board includes an on-board 3.3V regulator and logic-level shifting, making it easy to interface wi...

SKU: AF-1272 | Brand: Adafruit

The Adafruit Ultimate GPS Logger Shield combines the popular Ultimate GPS module with a MicroSD card slot, giving your Arduino a complete GPS datalogging solution. Built around the MTK3339 chipset, it tracks up to 22 ...

SKU: LB-LR0214-102A | Brand: Little Bird

The ESP-12E is an enhanced version of the popular ESP8266 WiFi module, offering improved impedance matching, better signal output, and stronger anti-jamming performance. It provides a complete WiFi networking solution...

SKU: AF-3986 | Brand: Adafruit

This T-Slot Photo Interrupter is a simple plastic sensor with two elements - an IR LED and an IR photo-transistor, situated across a U-shaped gap. You can control the IR LED and turn it on to transmit IR light acro...

SKU: AF-3984 | Brand: Adafruit

For precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes, bas...

SKU: AF-3942 | Brand: Adafruit

The HC-SR04 is an ultrasonic distance sensor that measures distances from approximately 2 cm to 400 cm (best results between 10–250 cm). Widely used in robotics, automation, interactive art, and motion sensing project...

SKU: DF-SEN0240 | Brand: DFRobot

The Gravity Analog EMG Sensor by OYMotion detects surface electromyography (sEMG) signals to measure muscle and neural activity. The sensor amplifies the tiny sEMG signal (±1.5 mV) by 1000× and filters noise through d...

SKU: LB-LR0205 | Brand: Little Bird

An alcohol sensor module for Arduino with both digital (TTL) and analog output. It detects alcohol vapour in the 10–1000 PPM range, with analog output voltage increasing proportionally with concentration. The module a...

SKU: AF-1602 | Brand: Adafruit

Add lots of touch sensors to your next microcontroller project with this easy-to-use 8-channel capacitive touch sensor breakout board, starring the CAP1188. This chip can handle up to 8 individual touch pads, and has ...

SKU: AF-2340 | Brand: Adafruit

The Adafruit Capacitive Touch HAT adds 12 capacitive touch sensors to your Raspberry Pi using the MPR121 touch controller over I2C. Each sensor has a figure-8 hole designed for alligator clip connections — attach clip...

SKU: DF-SEN0237-A | Brand: DFRobot

Measure dissolved oxygen in water for aquaculture, environmental monitoring, natural science projects and general water-quality work. This DFRobot Gravity kit pairs a galvanic dissolved oxygen probe with an analogue s...

SKU: DF-FIT0180 | Brand: DFRobot

This type of photoresistor is made of environment-friendly materials(no Cadmium and Lead) compared with the traditional CDS photoresistor. It changes resistance depending on the amount of light it is exposed to. Thes...

SKU: AF-2773 | Brand: Adafruit

Have your next project be controlled by your muscles with this pack of Muscle Sensor Surface EMG Electrodes! Pair the electrodes with the MyoWare Muscle Sensor and a microcontroller (ie. Arduino...

SKU: AF-2809 | Brand: Adafruit

The Adafruit LIS3DH is a popular, low-power triple-axis accelerometer breakout packed with features typically found only on higher-end sensors. With selectable measurement ranges, multiple interface options, and built...

SKU: SF-BOB-08688 | Brand: SparkFun

Basic breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don’t. Sensor acts like a transistor - the greater the incoming light, the higher the analog voltage on the signal pin. Docu...

SKU: SF-SEN-08606 | Brand: SparkFun

A simple flex sensor 4.5" 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 Gl...

SKU: SF-BOB-13906 | Brand: SparkFun

The SparkFun Multiplexer Breakout provides access to all pins and features of the 74HC4051, an 8-channel analog multiplexer/demultiplexer. The 74HC4051 allows you to turn four I/O pins into eight multifunctional, indi...

SKU: SF-BOB-13878 | Brand: SparkFun

The SparkFun Load Sensor Combinator is a bare PCB that combines four load sensors into a standard four-wire Wheatstone bridge configuration. If you open up an electronic bathroom scale, you’ll find a large rat’s ne...