All Products

SKU: SF-WRL-30232 · MPN: WRL-30232

This RP-SMA connector is designed for edge-mounting onto a PCB, making it handy for RF prototyping and compact antenna connections.It is suited to GPS and cellular projects that need an external antenna connection brought directly to the board edge. Each connector is fitted with a female signal p...

SKU: AF-919

This RF adapter bit is great for anyone doing RF work. Depending on the dev-board and antenna you have, you may be faced with either RP-SMA or SMA connectors. Unfortunately they are not compatible! This adapter solves the problem with a RP-SMA jack on one end and an SMA Plug on the other. We a...

SKU: SF-WRL-09232

This is an adapter that converts an RP-SMA board to an SMA antenna. The adapter will connect to any of our 2.4GHz wireless boards (Bluetooth, Nordic, or XBee) or interface cables and will allow you to use an antenna/cable with an SMA connection. You should not need this adapter with any of ...

SKU: SF-WRL-18569

This RP-SMA to U.FL Cable is commonly used to attach WiFi, Bluetooth, or nRFxxx based devices to a 2.4GHz antenna. What makes this unassuming cable special is the slightly longer length of 150mm (compared to 100mm). We found that the extra 50mm makes all the difference when working with an enclos...

SKU: AF-5444

An adapter cable that connects an RP-SMA antenna to RF modules with a w.FL (MHF3 / IPEX3) connector. Essential for adding external antennas to Wi-Fi, Bluetooth, and other RF boards that use the tiny w.FL port — such as the Adafruit Feather ESP32 V2. The cable is just over 20 cm (7.8″) long, with...

SKU: SF-BOB-29197 · MPN: BOB-29197

This compact breakout makes it straightforward to connect 3.3V microcontroller projects to legacy RS232 serial equipment such as older computers, industrial machines, GPS modules and other devices using a DE9, also known as DB9, connector.At the centre of the board is the ST3222 RS232 driver/tran...

SKU: DF-DFR0778

An industrial-grade RS232 expansion shield designed for the LattePanda Alpha and LattePanda Delta. Adds a 9-pin D-Sub (DB9) male RS232 port using an FTDI USB-to-serial chip with an isolated transceiver module for reliable data transmission in demanding environments. The stackable design mounts o...

SKU: DF-DFR0734

An industrial-grade RS232 expansion shield designed specifically for the LattePanda V1. Adds one RS232 port (D-Sub 9-pin male) with signal isolation, power isolation, and surge protection for reliable serial communication in demanding environments. Uses a stackable connection with copper standof...

SKU: SF-COM-00589

The ‘must have’ IC for 3V projects. This is the RS232 converter IC that is capable of running at 3V and communicating with 3V logic. Comes in an easy to solder 16-Pin SOIC SMD package. Requires four external 0.1uF ceramic capacitors - no more 10uF monsters! Operates from 2.7V to 6V.

SKU: DF-TEL0038

A passive RS-232 to RS-485 converter that extends serial communication distance up to 1.2km using balanced differential signalling. Self-powered from the RS-232 TX/RX or RTS/CTS lines — no external power supply required. Features opto-isolation and lightning/surge protection for reliable industri...

SKU: EC-CIN3232RT

This module can be used to convert the RS232 voltage of PC to TTL voltage that used by microcontroller. Directly plug the DB9 connector your PC then you can communicate with the microcontrollers using the Serial port. It is applicable to a variety of platforms including Arduino / AVR / ARM. For A...

SKU: DF-SEN0604 · MPN: SEN0604

##Introduction The 4-in-1 soil sensor is designed to monitor key soil parameters: temperature, humidity, electrical conductivity (EC), and pH. With its wide voltage power supply range of 5-30V and RS485 data transmission using the reliable MODBUS-RTU protocol, this sensor delivers rapid, accurate...

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: 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-SEN0707 · MPN: SEN0707

This industrial-grade water electrical conductivity sensor combines the probe and housing in one integrated unit for straightforward installation and reliable EC measurement. With an electrode constant of K=10, it is suited to higher-conductivity water monitoring across aquaculture, tap water, dr...

SKU: DF-SEN0605 · MPN: SEN0605

##Introduction The Soil Sensor is designed to measure and monitor the nitrogen (N), phosphorus (P), and potassium (K) levels in soil, enabling the optimization of soil fertility and creating ideal conditions for plant growth. With a broad voltage power supply range of 5-30V and data output throug...

SKU: DF-SEN0600 · MPN: SEN0600

##Introduction The RS485 Soil Sensor is designed for real-time monitoring of soil temperature and humidity, ideal for large-scale agricultural applications, greenhouse management, and fruit orchards' automatic irrigation systems. Utilizing the MODBUS-RTU protocol via RS485 communication, the sens...

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-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-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...