All Products

SKU: DF-SEN0002

The URM04 Ultrasonic sensor is developed based upon our popular URM37 ultrasonic sensor, it is using RS485 interface which allows multiple sensors to be used simultaneously . The RS485 interface allows a number of sensors working together. Up to 32 URM04 may be connected together in a network...

SKU: DF-SEN0591 · MPN: SEN0591

##Introduction With a measurement range of up to 3m, the RS485 ultrasonic obstacle avoidance distance ranging sensor offers advantages such as small blind zones (Measurement accuracy: 1 + (S * 0.3%) cm), narrow measurement angles (30-60°), short response times (15-750ms), filtering of same-freque...

SKU: DF-SEN0592

The ultrasonic distance range sensor uses ultrasonic technology to detect obstacles up to 5 meters away in robot automation control applications. It offers advantages such as small blind zones (Measurement accuracy: 1 + (S * 0.3%) cm), narrow measurement angles (horizontal 40-65°, vertical 6...

SKU: DF-SEN0601 · MPN: SEN0601

The RS485 Soil Sensor provides real-time monitoring of soil temperature, moisture, and electrical conductivity (EC) in a single rugged probe. It communicates via the MODBUS-RTU protocol over RS485, making it easy to integrate with Arduino, Raspberry Pi, and automated irrigation or climate control...

SKU: DF-SEN0358

DFRobot URM14 RS485 Precision Ultrasonic Sensor(200KHz) is a high-frequency precision ultrasonic sensor for industrial use. The sensor measurement and signal processing unit is completely encapsulated in an M18 metal shell and its tail is designed with an aviation connector plug. The sensor uses ...

SKU: DF-SEN0713 · MPN: SEN0713

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 research sites.The probe and housing are integrated into a single waterproof unit, wi...

SKU: WS-23949

The USB to RS485/422 is an industrial-grade isolated converter designed for reliable and stable communication. Featuring an original FT232RL chipset and SP485EEN transceiver, it ensures fast, interference-free data transmission. The unit includes multiple protective circuits such as power isolati...

SKU: DF-SEN0149

Ultrasonic sensors emit ultrasonic pulses, and by measuring the time of ultrasonic pulse reaches the object and back to the transducer, the distance of sensor from the target object is calculated. They are widely used in detecting displacement, thickness, distance, water level, material level and...

SKU: DF-SEN0641 · MPN: SEN0641

The RS485 PAR Sensor measures photosynthetically active radiation in the 400–700 nm wavelength range — the light spectrum that plants use for photosynthesis. It converts incident radiation into a signal proportional to light intensity, with cosine-corrected angular response for accurate readings ...

SKU: DF-DFR0219

Our IO expansion board is evolving, the RS485 IO Expansion Shield is now supporting Xbee and has colour coded pin header. It combines our popular Xbee shield with IO expansion shield. It even supports SD module card which provides the ultimate functional expansion for Arduino so far. As ...

SKU: DF-SEN0438

This industrial-grade RS485 temperature and humidity sensor features a high-precision digital transducer in a rugged aluminium alloy housing. With a wide measurement range and Modbus RTU communication, it's designed for integration into building automation, HVAC systems, and environmental monitor...

SKU: DF-SEN0644 · MPN: SEN0644

Introduction The Waterproof Digital Ambient Light Sensor is a durable and versatile device designed to measure light intensity from 0 to 200,000 Lux. It utilizes the Modbus-RTU 485 communication protocol and operates on a DC 5-32V power supply, ensuring seamless integration with systems like Ardu...

SKU: DF-TEL0190 · MPN: TEL0190

RainbowLink V2 is a pocket-sized USB Type-C serial debugging workstation that combines four independent communication channels with useful field power outputs. It replaces multiple USB dongles for RS485, RS232 and TTL UART work, making it well suited to field engineering, IoT development and indu...

SKU: DF-SEN0642 · MPN: SEN0642

An industrial-grade RS485 UV sensor that measures ultraviolet intensity (0–15 mW/cm²) and UV index (0–15) across the 290–390 nm wavelength range, covering both UVA and UVB bands. It communicates via the Modbus-RTU protocol over RS485, making it easy to integrate with Arduino and other microcontro...

SKU: WS-30461 · MPN: 30461

The Waveshare Modbus RTU 4-Channel Relay Module provides reliable high-current switching for industrial automation over an RS485 bus. Each of the four SPDT relays handles loads up to 30A at 250VAC or 28VDC, making it suitable for controlling motors, lighting, HVAC systems, and other heavy-duty eq...

SKU: DF-SEN0519

The DFRobot URM15 is an industrial-grade ultrasonic ranging sensor with an IP65-rated waterproof probe. It provides an effective measuring range of 30–500 cm (tested against a flat wall) and communicates via an RS485 interface using the standard Modbus RTU protocol, making it compatible with PLCs...

SKU: DF-SEN0310

The URM12 is a long-range ultrasonic distance sensor from DFRobot, designed for distance measurement and obstacle avoidance applications. With a detection range of 70–1500 cm, RS485 communication interface, and standard Modbus-RTU protocol support, it is well suited for industrial-grade level mea...

SKU: DF-SEN0246

With an internal temperature compensation and accurate distance detection, URM08-RS485 is a combination of temperature measurement device and distance inspection tool. The inner is fully enclosed and the external is made of metal crust, which has brought advantages such as waterproof, dustproof a...

SKU: DF-DFR0259

Arduino RS485 is an industrial standard for long distance, anti-interferrence and reliable communication. So we create this RS485 Arduino shield, especially designed for the Arduino controller board. It converts UART/Serial protocol to RS485 protocol. This RS485 board allows Arduino access...

SKU: DF-SEN0640 · MPN: SEN0640

  The RS485 Photoelectric Solar Radiation Sensor is designed for precise solar radiation measurement within the 400-1100nm spectral range. Utilizing the photoelectric principle, it converts sunlight into electrical signals with high accuracy. Equipped with a highly sensitive photosensitive e...