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Showing 21-40 of 78 products · 22 unavailable products hidden
12V Precision Temperature Controller with 3 digit display 10Amp Relay
This compact 12V temperature controller features a 3-digit LED display for setting and monitoring temperature, along with a built-in 10A relay for switching heating or cooling loads. It uses an NTC thermistor probe (included) for measurement across a wide range of −50 to 110°C. The relay operate...
Relay Module with cycle delay timing switch self-locking and more
This versatile relay module is a powerhouse of timing functions, ideal for projects requiring precise control over relay activation and deactivation. Featuring adjustable parameters and 18 distinct modes, it provides exceptional flexibility for automation tasks. Key Features Customisable Parame...
Adafruit STEMMA Non-Latching Mini Relay
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The Adafruit STEMMA Non-Latching Mini Relay lets you switch lamps, fans, solenoids, and other small appliances (up to 250 VAC/DC) using any 3V or 5V microcontroller — no soldering, flyback diodes, or level shifting required. Just connect via the JST-PH STEMMA connector and toggle the signal pin h...
OCTOPUS 1-Channel Relay
OCTOPUS 1-Channel Relay is a single relay electronic brick: Note: Module 5V power supply: Never use power supply more than 5V, which may cause damage to the module. Features: Relay Power Supply Voltage:<V Relay drive level: With opto-isolation circuit, can completely isolate the relay controll...
1 Channel Relay 3V Relay Module for Micro:bit
A single-channel 3 V relay module from the ElecFreaks OCTOPUS series, designed for use with the BBC micro:bit. It uses a high-quality HUIKE relay capable of switching loads up to 30 A, making it suitable for controlling home appliances and other high-current devices. The module runs on 3 V power...
Four Channel Relay for Micro: bit
Do you still looking for the relay module for the Micro: bit? Here we had combined the relay with the Micro: bit and you can use Micro: bit to control 4 relays at the same time. Features Apply to Micro: bit. Four channel relay. Specifications Input voltage: 5v Load voltage and current:...
ESP8266 ESP-01/ESP-01S Relay WiFi Smart Control Module for Arduino
A WiFi-controlled relay module designed for ESP-01 or ESP-01S modules (based on the ESP8266). The relay is controlled via GPIO0 with a low-level trigger, allowing you to switch mains-powered devices on and off wirelessly from a phone or any WiFi-connected device. APP and LUA source code are provi...
Gravity: Easy Relay Module
The traditional relay module has complicated wiring and is not friendly to beginners or students. The simple switch module simplifies the wiring method for connecting traditional relays. The input end is equipped with an adapter, which can be compatible with most power sources, battery boxes, DC ...
SparkFun Qwiic Dual Solid State Relay
The SparkFun Qwiic Dual Solid State Relay is a power delivery board that allows users to switch two AC loads from a low power microcontroller using the SparkFun Qwiic connect system. The board features two 25A/250VAC solid state relays that utilize the Zero Cross Trigger method so you can toggle ...
SRD-5VDC-SL-C Relay T73-5V 5pin
Mini 5V DC Power Relay SRD-5VDC-SL-C 5 Pin PCB TypeFeature:Selection of plastic material for high temperature and better chemical solution performanceSpecification:Coil voltage: DC 5VCoil resistance: 70Ω ~ 80ΩContact resistance: 100Ω MaxOperation time: 10msec MaxRelease time: 5msec MaxAmbient tem...
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...
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 ...