Sensors & Input

SKU: DF-FIT0759 | Brand: DFRobot

These Inductive Ring Proximity sensors are designed to detect metal objects entering or passing through the ring. They operate on a 6-36V power supply and offer NPN output. The sensor features less than 1ms response t...

SKU: EC-ESP11002R | Brand: Elecrow

A WiFi-controlled relay module designed for ESP-01 or ESP-01S modules (based on the ESP8266). The relay is controlled via GPIO0 with a low-level trigger, allowing you to switch mains-powered devices on and off wireles...

SKU: DF-SEN0347 | Brand: DFRobot

This infrared photoelectric switch consists of a transmitter and receiver pair that detects objects at distances up to 1.5 m with a response time under 1 ms. The infrared beam provides stable detection regardless of a...

SKU: EF-EF10030 | Brand: ElecFreaks

A passive infrared (PIR) motion sensor module based on the BISS0001 IC, capable of detecting human movement at up to 7 metres. Outputs a digital high signal when motion is detected, making it easy to interface with Ar...

SKU: AF-1733 | Brand: Adafruit

A rugged anemometer designed for outdoor wind speed measurement with a simple analog voltage output. Connect it to any microcontroller's analog input for easy wind speed readings — no complex protocols or libraries re...

SKU: SF-COM-11102 | Brand: SparkFun

This 1024 pulse per rotation rotary encoder outputs gray code which you can interpret using a microcontroller and find out which direction the shaft is turning and by how much. This allows you to add feedback to motor...

SKU: DF-SEN0713 | Brand: DFRobot

This industrial-grade chlorophyll sensor measures chlorophyll concentration in water using the fluorescence principle, making it useful for algae monitoring in rivers, lakes, ponds, aquaculture systems and field resea...

SKU: DF-SEN0714 | Brand: DFRobot

This industrial-grade water quality probe measures blue-green algae, also known as cyanobacteria, in water using the fluorescence principle. The probe and housing are integrated into a single waterproof unit for strai...

SKU: DF-SEN0659 | Brand: DFRobot

This industrial CO2 probe is built for reliable carbon dioxide monitoring in environments such as indoor air quality systems, pipelines, greenhouses and fresh air systems. It uses NDIR sensing to measure CO2 from 400 ...

SKU: DF-SEN0677 | Brand: DFRobot

This standalone vision module combines face recognition, palm vein recognition and QR code decoding in one compact sensor. It uses dual colour and infrared cameras with onboard AI processing, so recognition happens lo...

SKU: DF-SEN0681 | Brand: DFRobot

This sensor is designed for monitoring dissolved oxygen in seawater and other high-salinity applications. It uses fluorescence quenching rather than a traditional electrochemical cell, so it does not consume oxygen du...

SKU: DF-DFR1220 | Brand: DFRobot

The SLAMTEC Aurora is an all-in-one perception sensor for autonomous robots, combining LiDAR, binocular vision, inertial sensing and onboard AI processing in a single mapping and localisation unit. It is designed to p...

SKU: DF-DFR1024 | Brand: DFRobot

Built for robot mapping and navigation, the RPLIDAR S2E uses SLAMTEC DTOF (Direct Time-of-Flight) technology to provide consistent ranging resolution across its measuring distance. It can detect a wide range of materi...

SKU: EC-SSE01209P | Brand: Elecrow

This is a high-precision temperature control module, it can not only show the temperature, but also according to the current temperature of the relay control, it can control some of the power equipment through the ...

SKU: PL-2482 | Brand: Pololu

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals. This item includes the basic carrier PCB with a soldered-in 1...

SKU: LB-ANEMO | Brand: Little Bird

A robust three-cup anemometer with 4–20mA current loop output, ideal for industrial monitoring and control applications. The all-aluminium construction provides excellent weather resistance, while the wear-free rotati...

SKU: DF-SEN0577 | Brand: DFRobot

An industrial-grade single-line 2D pulsed Time-of-Flight (ToF) LiDAR scanner with 270° horizontal field of view and up to 25 m detection range. Compact, lightweight, and IP65-rated for both indoor and outdoor use. Fe...

SKU: EF-EF03010 | Brand: ElecFreaks

An 8-channel relay module compatible with Arduino, Raspberry Pi, and other MCU boards (PIC, ARM, MSP430). Each relay channel has an LED indicator showing its output state, making it easy to monitor which relays are ac...

SKU: DF-SEN0576 | Brand: DFRobot

The LakiBeam 1S is an industrial-grade 2D single-line pulsed Time-of-Flight (ToF) LiDAR with a 270° scanning range and up to 15 m detection distance. With 2 cm precision, an 18,000 samples/second rate, and 100K LUX st...

SKU: DF-FIT0764 | Brand: DFRobot

These Inductive Ring Proximity sensors are designed to detect metal objects entering or passing through the ring. They operate on a 6-36V power supply and offer NPN output. The sensor features less than 1ms response t...