All Products

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-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: SF-DEV-14483

The SparkFun AST-CAN485 Dev Board is a miniature Arduino in the compact form factor of the Pro Mini. In addition to all the usual features that a mini Arduino has, it possesses an onboard CAN (Control Area Network) and RS485 ports, enabling quick and easy interfacing to a multitude of indust...

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-DFR0684

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...

SKU: DF-DFR0779

This industrial-grade RS485 shield from DFRobot is specially designed to expand two parallel RS485 ports (terminal) with high reliability for LattePanda Alpha and LattePanda Delta. Employing FTDI USB to serial port chip and industrial-grade isolated transceiver module, the shield comes with the c...

SKU: M5-U067

Description RS485-HAT is a TTL to RS485 converter for M5StickC. Among M5stack products we have 5 items that include TTL to RS485, they are RS485 unit, RS485 HAT, PLC, LAN, BASE26 they have different input voltage, vary from 5V - 12V. In this RS485-HAT, it consists of a 485 automatic ...

SKU: WS-26244

An RS485-controlled industrial I/O module with 8 isolated digital inputs and 8 open-drain digital outputs, communicating via the Modbus RTU protocol. Multiple protection layers — power isolation, magnetic isolation, TVS diode, and resettable fuse — ensure stable and reliable operation in demandin...

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: DF-FIT0772

This is an industrial-grade high-performance RS485 photoelectric isolation repeater that converts one-way RS485 to one-way RS485. Compatible with EIA/TIA RS485 standard, it features asynchronous half-duplex, two-way communication, and complete transparent data transmission. The repeater can reali...

SKU: EC-CIA00485T

This is a module that allows the TTL interface of the microcontroller to be transferred to the RS485 module. It is generally used for industrial automation. This module adds lightning protection design and anti-jamming design. When we use it in the field and carry out long distance transmission, ...

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-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: WS-26517

The Industrial Modbus RTU 8-Channel Relay Module (D) is a reliable RS485-controlled relay module with 8 digital inputs. Designed for industrial applications, it supports the Modbus RTU protocol and includes multiple isolation protections like power, magnetic, and TVS diode isolation. It features ...

SKU: DF-SEN0505

The TFmini-i is an industrial-grade single-point LiDAR sensor with a maximum detection range of 12 m. It uses Pulse Time of Flight (PTOF) measurement — emitting a narrow laser pulse and calculating the distance based on the round-trip time of the reflected signal. Housed in a rugged PC/ABS/PMMA ...

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...

SKU: DF-SEN0504

TF02-i LiDAR is an industrial-grade medium-range distance sensor. Its maximum detection range can reach up to 40m and it has an adjustable frame rate with a maximum of 1KHz.This rangefinder has a PC/ABS/PMMA enclosure with IP65 water and dust resistance. It supports a wide range of input voltages...

SKU: DF-DFR0845

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...

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: DF-SEN0602 · MPN: SEN0602

##Introduction This RS485 soil temperature, humidity, and pH sensor supports a broad voltage power supply range (5-30V) and communicates data through the reliable MODBUS-RTU protocol, allowing for seamless integration into existing automated irrigation systems. It can be paired with an Arduino UN...