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Showing 2801-2820 of 8808 products · 2601 unavailable products hidden
DFRobot Gravity Industrial Analog EC Meter Kit (K=1, IP68)
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This industrial Gravity kit measures electrical conductivity in aqueous solutions, helping you evaluate water quality by tracking dissolved content or salinity. It is suited to hydroponics, aquaculture and environmental water monitoring where long-running measurements are needed.The pro probe is ...
DFRobot Gravity LED Button for Arduino and micro:bit - White
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This Gravity LED button is a simple illuminated push button with a transparent cap, designed for interactive Arduino and micro:bit projects. When the button is pressed, the internal white LED turns on to provide clear visual feedback.The module behaves like a basic digital switch: when pressed do...
DFRobot Gravity LED Self-Locking Switch - Yellow
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This illuminated latching push button combines a tactile switch with a built-in yellow indicator LED, making it easy to add clear on/off control to interactive electronics and educational prototypes.When the button is pressed down, the module self-locks, outputs High and lights the LED. Pressing ...
DFRobot Gravity LED Switch Module - Green
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This compact illuminated push-button module combines a tactile switch with a built-in green LED indicator, making it handy for interactive electronics, control panels and classroom builds.It uses a self-locking toggle action rather than a momentary press. Press the button once and the output goes...
DFRobot Gravity LoRaWAN Node Module US915 (SX1262)
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This compact wireless node module is designed for long-distance, low-power outdoor IoT projects. Built around the Semtech SX1262 and LoRa modulation, it operates on the 915 MHz US915 band and supports both direct LoRa communication and LoRaWAN networking.It can be used for point-to-point links or...
DFRobot Gravity PH2.0 to Male DuPont Tagged Cables 30cm - 5 Pack
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These tagged Gravity cables help keep wiring clear when a project has lots of similar-looking connections. Each lead carries I2C/UART pin labels, making it easier to identify signals during wiring, testing and debugging.The wire sequence is kept the same at both ends and follows the latest DFRobo...
DFRobot Industrial RS485 Blue-Green Algae Sensor
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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 straightforward deployment in rivers, lakes, ponds and other monitoring sites.It uses...
DFRobot Industrial RS485 ORP Sensor - IP68 ModBus-RTU
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This industrial-grade ORP (Oxidation-Reduction Potential) sensor is built for reliable water quality monitoring in demanding environments. Its integrated probe and housing measure ORP from -1999 to 1999mV, with RS485 communication for connection into monitoring networks.The sensor supports the st...
DFRobot Leonardo with Xbee Socket (Arduino Compatible)
Featured in Make: The Maker's Guide to Boards, DFRobot Leonardo with Xbee Socket is an Arduino Leonardo variant processor.The Arduino Leonardo is based on the ATmega32u4 chip. It is the latest addition to the Arduino family. Compared with the earlier Arduino controllors, by using the ATmega32...
DFRobot LoRaWAN Gateway 915MHz with Local Server & Node-RED
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Build a private LoRaWAN IoT network for home automation, environmental monitoring or maker projects without relying on an external cloud service. This indoor gateway includes a built-in SIoT local server and pre-installed Node-RED, so sensor data can be processed locally for dashboards, rules and...
DFRobot LoRaWAN Gateway with SIoT & Node-RED - EU868
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Build a private LoRaWAN network for EU868 regions with local processing, dashboarding and automation built in. This indoor gateway combines a Semtech SX1302 8-channel LoRaWAN concentrator with a quad-core Cortex-A35 processor, making it suitable for collecting data from multiple long-range sensor...
DFRobot MAX30102 Heart Rate and Oximeter Sensor
The MAX30102 is integrated pulse oximetry and heart-rate monitor biosensor module based on PPG (PhotoPlethysmoGraphy). It is so small that you can just wear it on your finger or wrist for data collecting. Internally integrated 18bit ADC, the sensor supports I2C data output, which could be comp...
DFRobot Mega 2560 V3.0 (Arduino Mega 2560 R3 Compatible)
The DFRobot Mega 2560 V3.0 is a fully compatible Arduino Mega 2560 R3 microcontroller board based on the ATmega2560. It features 54 digital I/O pins (14 with PWM), 16 analog inputs, 4 hardware serial ports, and a 16 MHz crystal oscillator. Connect via USB or power with a 7–12 V adapter or battery...
DFRobot N20 Metal Motor Kit for Maqueen Plus V3
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Repair a Maqueen Plus V3 robot quickly with this official DFRobot replacement motor kit. It is made for restoring a damaged or jammed motor caused by dust, hair, particles or rough classroom handling.The kit is designed for plug-and-play installation on the Maqueen Plus V3, with a PH2.0 connector...
DFRobot PCB Engineering Ruler - Mini(6.3inches)
This is a PCB engineering ruler used daily by DFRobot electronic engineers, the short PCB ruler is only the size of the palm of your hand, making it more delicate and compact, and easy to carry. The information on the engineering ruler can provide references for electronic engineers when designin...
DFRobot RJ45 Male Plug to 8-Pin Terminal Block
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This adaptor connects a standard RJ45 Ethernet plug format to an 8-pin terminal block, making it handy for wiring network-related projects without soldering.The RJ45 side includes metal shielding layers to help fix the interface securely and reduce external electromagnetic interference for a more...
DFRobot RS485 Fluorescence Dissolved Oxygen Sensor - Freshwater
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This optical dissolved oxygen probe is designed for measuring DO levels in freshwater environments such as aquaculture tanks, rivers, lakes, reservoirs and treatment facilities. It uses fluorescence quenching, measuring the phase shift of light caused by oxygen molecules, rather than relying on a...
DFRobot RS485 Industrial Residual Chlorine Sensor
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This industrial-grade residual chlorine sensor is designed for precise, reliable water quality monitoring in demanding environments. Its integrated probe and housing measure residual chlorine concentrations, specifically hypochlorous acid and hypochlorite ions, over a 0 to 10 mg/L range.The senso...
DFRobot RS485 Industrial Water EC Sensor K=1
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This industrial-grade water electrical conductivity sensor combines the probe and housing into a single integrated unit for straightforward installation and reliable measurement. It uses an electrode constant of K=1 and can output conductivity, salinity, TDS and temperature data for multi-paramet...
DFRobot RS485 Modbus IP68 Water Quality pH Sensor
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This industrial-grade water quality sensor is designed for continuous pH monitoring in demanding environments. Its integrated probe and housing provide a robust, streamlined setup for measuring pH in non-corrosive, weakly acidic and weakly alkaline water.The sensor communicates over RS485 using t...
