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Showing 41-60 of 100 products
Relay 4 Zero - 4-Channel Relay Board for Pi Zero
The Relay 4 Zero provides a solution for controlling low and medium current/voltage devices with your Raspberry Pi Zero (or any 40-pin Raspberry Pi).It's a nice solution for controlling devices that can't be directly controlled by the Raspberry Pi's digital I/Os (GPIO). The standardised...
Raspberry Pi 8-ch Relay Expansion Board
The RPi Relay Board (B) is an 8-channel relay expansion board for Raspberry Pi, giving your Pi the ability to switch high-voltage loads such as home appliances, lighting, motors, and other AC/DC devices. Each relay handles up to 5A at 250V AC or 30V DC, with photo-coupled isolation to protect the...
8 Channel 12V Relay Module 10A USB
An 8-channel 12V relay module with USB-A interface for computer-based control. Uses the ULN2803 relay driver chip and genuine Songle relays for stable operation. Each relay is rated for 10A switching. Features both a power socket and screw terminals for flexible power input. Once powered externa...
10 I/Os Relay Module - CPU Arduino NANO (Relay Output)
The 10 I/Os Relay Module is an industrial PLC based on the Arduino Nano with relay outputs for switching higher-voltage loads. It provides a simple, cost-effective, and open-source approach to industrial monitoring and control, with standardised PLC connectors and support for RS485, Ethernet (TCP...
10 I/Os Relay Module - CPU ESP32 (Relay Output)
The 10 I/Os Relay Module with ESP32 is an industrial PLC that combines the connectivity of the ESP32 (Wi-Fi, Bluetooth LE, Ethernet, RS485) with relay outputs for switching higher-voltage loads. It provides a simple, cost-effective, and open-source approach to industrial monitoring and control wi...
M-DUINO PLC Arduino Ethernet 19R I/Os (Relay Output)
This is the first PLC equipment based on the Arduino Technology designed for a professional use. Taking Arduino Mega2560 as its core control chip, the M-Duino PLC has 17 I/Os including 4 analog and digital inputs, 2 interrupt isolated input, 3 analog outputs, 8 digital isolated relay outputs...
Raspberry Pi PLC Industrial Controller (Relay Output)
This equipment based on the Raspberry Pi technology is designed for professional use.This PLC has up to 36 Digital Inputs, 16 Analog Inputs, 8 Analog Outputs, up to 23 Relays and 6 Interrupts. It also contains several communication ports like, the CAN bus, double Ethernet port, double RS-485, WiF...
Industrial 4-Channel Relay Module
The module adopts the standard Modbus RTU protocol, the communication interface supports RS485 or RS232 and supports communication baud rates of 2400, 4800, 9600, 19200, 38400 (default 9600). Each relay output is independent and can be connected to different load devices, such as 220V electric li...
Relay Bit - 4 Channel 3V Relay Board for micro:bit
Relay Bit provides a solution for controlling low and medium current/voltage devices and makes your projects intelligent. Relay bit could be a nice solution for controlling devices that could not be directly controlled by micro:bit's Digital I/Os. The standardized shield form factor enables a...
Pico 3V Relay HAT
The Pico 3V Relay HAT is a two-channel relay board designed for the Raspberry Pi Pico. It stacks directly onto the Pico via a female pin header for a clean, compact connection. Operating at 3.3V, it allows the Pico to switch higher-voltage AC and DC loads without additional driver circuitry. Key...
Gravity: Magnetic Latching Relay for ESP32 / Arduino
A Magnetic latching relay is a new type of relay. It features low power dissipation and noiseless. Unlike other non-latching relay, the latching relay needs two digital pulse signal to switch ON/OFF state. This DFRobot Gravity: magnetic latching relay is compatible with most...
Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case RS485 32-ch Relay Module Modbus RTU Protocol, Multi Isolation Protection Circuits, Safe & Stable & Reliable Features at a glance ...
Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
An industrial-grade 16-channel relay module controlled via RS485 bus using the Modbus RTU protocol. Built-in isolation protection circuits — including power supply isolation, ADI magnetic isolation, optocoupler isolation, resettable fuse, and TVS diode — ensure safe, stable, and reliable operatio...
8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE port Communication, With Various Isolation And Protection Circuits
An industrial-grade 8-channel relay module controlled via Ethernet, supporting Modbus RTU and Modbus TCP protocols. Features PoE power supply (IEEE 802.3af), optocoupler isolation, reverse-polarity protection, and a rail-mounted ABS enclosure for safe, easy installation. Supports multiple commun...
Adafruit Mini Relay FeatherWing - Non-Latching
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The Adafruit Non-Latching Mini Relay FeatherWing lets you control mains-powered devices and small appliances using any Feather microcontroller. Switch lamps, fans, solenoids, and other loads rated up to 250 VAC or DC — all from a compact FeatherWing form factor. This is the non-latching version,...
Relay SPDT Sealed
These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current devices. This relay’s coil is rated up to 12V, with a minimum switching voltage of 5V. The contacts are rated up to 5A (@250VAC, 30VDC).
SparkFun Beefcake Relay Control Kit
Your 5V system can wield great power with this big, beefy relay board. How does 20A on the NC contacts and 10A on the NO contacts at 220VAC sound? The SparkFun Beefcake Relay Control Kit contains all the parts you need to get your high-power load under control. Only minimal assembly is required! ...
Acrylic Xboard Relay Base - Basic
Discontinued: This product has been discontinued. We recommend the Acrylic Romeo Base – Star as a suitable replacement. A transparent acrylic mounting base for the DFRobot Xboard Relay. The Basic version provides a flat, stable platform that protects the underside of your board from contact wi...
Acrylic Xboard Relay Base - Universe
A transparent acrylic mounting base for the DFRobot Xboard Relay. The Universe version features a decorative cutout pattern, adding a distinctive look to your project while still providing board protection. The Universe base can be paired with the Basic version as a bottom plate to create a sand...
Relay Control PCB
A bare PCB for building a relay control circuit, based on SparkFun's Controllable Power Outlet tutorial. It allows you to switch high-voltage loads using a simple 0–5V GPIO signal from any microcontroller. Components must be sourced and soldered separately. Key Features Bare PCB – Solder your ...
