All Products
Showing 21-40 of 56 products · 4 unavailable products hidden
RS485 Wind Direction Transmitter
Gravity: RS485 IO ExpansionShield for Arduino
RS485 Waterproof Ambient Light Sensor (0-200,000 Lux)
MPN: SEN0644
RS485 Wind Speed Transmitter
4-Channel Industrial Modbus RTU Relay Module – 30A, RS485, LED Indicators, Rail-Mount
MPN: 30461
Gravity: Active Isolated RS485 to UART Signal Adapter Module
RS485 Ultraviolet (UV) Intensity Measure Sensor (290-390nm, UVA, UVB)
MPN: SEN0642
URM15 - 75KHZ Ultrasonic Sensor (30~500cm, RS485)
RainbowLink V2: 4-Channel Isolated USB to Serial Converter (RS485/RS232/Dual TTL) with Built-in 12V Power Supply
MPN: TEL0190
URM12 Ultrasonic Sensor(1500cm RS485)
URM08-RS485 Ultrasonic Ranging Sensor (35~550cm)
RS485 Shield For Arduino
RS485 Photoelectric Solar Radiation Sensor (400-1100nm)
MPN: SEN0640
Dual-channel RS485 Expansion Hat for Raspberry Pi 4B
Arduino Opta RS485 Micro PLC (Ethernet and USB-C ports, RS485)
MPN: DFR1058
RS485 Connector Expansion Shield for LattePanda V1
DFRobot DFR1216 Expansion Board for UNIHIKER M10/K10 & micro:bit
MPN: DFR1216-1
URM ultrasonic sensor Rubber Ring
URM13 Ultrasonic Sensor
Ultrasonic Scanner kit(180°)
RS485 Wind Direction Transmitter
The wind direction sensor is a professional meteorological instrument used to measure horizontal wind direction. It integrates a hall sensor inside. The shell and weather vane is made of aluminum alloy material and uses special mold precision die casting process, featuring small dimension toleran...
Gravity: RS485 IO ExpansionShield for Arduino
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 ...
RS485 Waterproof Ambient Light Sensor (0-200,000 Lux)
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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...
RS485 Wind Speed Transmitter
This wind speed sensor is a professional meteorological instrument used to measure horizontal wind speed within 0~32.4m/s. It integrates a hall sensor inside. The shell and wind cups are made of aluminum alloy material and use special mold precision die casting process, featuring small dimension ...
4-Channel Industrial Modbus RTU Relay Module – 30A, RS485, LED Indicators, Rail-Mount
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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...
Gravity: Active Isolated RS485 to UART Signal Adapter Module
This active, isolated RS485 to UART signal transfer module comes with protection circuits such as power isolation and TVS. Compatible with most main controllers, it has the characteristics of fast communication speed, stable and reliable performance, high safety, etc. It can be applie...
RS485 Ultraviolet (UV) Intensity Measure Sensor (290-390nm, UVA, UVB)
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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...
URM15 - 75KHZ Ultrasonic Sensor (30~500cm, RS485)
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...
RainbowLink V2: 4-Channel Isolated USB to Serial Converter (RS485/RS232/Dual TTL) with Built-in 12V Power Supply
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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...
URM12 Ultrasonic Sensor(1500cm RS485)
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...
URM08-RS485 Ultrasonic Ranging Sensor (35~550cm)
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...
RS485 Shield For Arduino
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...
RS485 Photoelectric Solar Radiation Sensor (400-1100nm)
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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...
Dual-channel RS485 Expansion Hat for Raspberry Pi 4B
A dual-channel RS485 expansion HAT for Raspberry Pi that provides electrically isolated RS485 communication with built-in protection against lightning, surges, and transient voltage spikes. Each channel uses an isolated transceiver for reliable, interference-resistant data transmission — ideal fo...
Arduino Opta RS485 Micro PLC (Ethernet and USB-C ports, RS485)
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##Introduction Arduino Opta, specially designed for PLC engineers, is a secure, easy-to-use micro PLC with industrial IoT capabilities. Opta is equipped with frequently used networks and protocols in multiple industries, and supports both Arduino sketch and standard PLC languages, including LD (...
RS485 Connector Expansion Shield for LattePanda V1
An industrial-grade RS485 expansion shield designed specifically for the LattePanda V1. This shield adds a reliable, isolated RS485 interface (via OPEN4) with comprehensive protection including signal isolation, power isolation, lightning surge protection, and transient voltage suppression — keep...
DFRobot DFR1216 Expansion Board for UNIHIKER M10/K10 & micro:bit
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This multi-function expansion board adds power, I/O and drive capability to UNIHIKER M10/K10 and micro:bit projects. It is designed for mobile robots, portable interactive builds and maker projects that need more connectivity than the main controller can provide on its own.The board expands your ...
URM ultrasonic sensor Rubber Ring
This rubber ring is used to afix ultrasonic sensor. It fits URM37 V4.0 Ultrasonic Sensor For Arduino / Raspberry Pi and URM04 Ultrasonic Sensor (RS485). NOTE: Other ultrasonic sensor may fit, you have to check the dimensions. SPECIFICATIONS Material: Rubber Inside diame...
URM13 Ultrasonic Sensor
The DFRobot URM13 is a compact ultrasonic ranging sensor with an open single-probe design. It supports three communication methods — TRIG pulse (SR04-compatible), UART, and I2C — making it versatile for a wide range of applications. The sensor operates on 3.3 V or 5 V, compatible with Arduino, Ra...
Ultrasonic Scanner kit(180°)
An Ultrasonic sensor with scan capability is a must have feature for most robot application. This Ultrasonic scanner kit provides a cost effective way to have such feature for your robot application. This kit is able to scan upto 120 degree area with 10-400 cm (3.94-157.48") detecting range...
