2pcs relay module 5v 4 channel trigger solid state relay module board durable diy relay with fuse

2pcs Relay Module 5V 4 Channel Low Level Trigger Solid State Relay Module Board Durable DIY Relay with FuseOpen in new tab.

£13.26
-49%
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fridge start capacitor freezer accessories suitable for 110 125vac ac solid state hard start relay compatible with refrigeration systems running capacitors

Fridge Start Capacitor, Freezer Accessories, HS Series, Suitable for 110-125VAC AC Solid State Hard Start Relay, Compatible with Refrigeration Systems with or Without Running CapacitorsOpen in new tab.

£10.69
-39%
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1 2pcs 2 channel relay module with optocoupler board trigger compatible with r3 mega 2560 1280 dsp arm pic avr solder copper alloy contacts no battery required industrial electrical sensor block optocoupler solid state relay channel relay relay relay module kit nano electronic component diy electronic kit

NODEMCU LUA 1/2pcs 2-Channel Relay Module with Optocoupler Board, Low Level Trigger, Compatible with Arduino R3 MEGA 2560 1280 DSP, Arm, Pic, Avr, Stm32, Raspberry Pi, Solder Termination, Copper Alloy Contacts, No Battery Required, Industrial Electrical Sensor Block, Optocoupler, Solid State Relay, Contactor, Channel Relay, Arduino Relay, Relay Module, Arduino Kit, Arduino Nano, Electronic Component, Diy Electronic KitOpen in new tab.

£1.60
-73%
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2 channel 5v relay module srd 05vdc sl c 10a com no nc high trigger screw terminals for esp32

2-Channel 5V Relay Module SRD-05VDC-SL-C, 10A SPDT (COM/NO/NC), Opto-Isolated, High/Low Level Trigger, Screw Terminals, for ESP32/ArduinoOpen in new tab.

£4.38
-66%
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1pc smart 8 way relay switch with box wifi zigbee smart remote control module type c 5v 7 27v input diy smart module for motor control auto door control rf433mhz remote control scene control interlocking timer delay settings smart wireless control module smart

1pc Tuya Smart 8-Way Relay Switch with Box - WiFi/Zigbee Smart Remote Control Module, Type-C 5V-DC7-27V Input, DIY Smart Home Control Module for Motor Control, Auto Door Control, RF433MHz Remote Control, Scene Linkage Control, Auto-Lock, Interlocking, Timer Delay Settings, Smart Home Automation | Modern Home Automation | Wireless Control Module, Smart Home DevicesOpen in new tab.

£15.00
-33%
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esp32 relay module with wifi wireless ble 4 channel heavy duty relay board esp 32s2 esp 32x2 ac protection for smart home robotics door locks lighting compatible with esp32 projects

ESP32 Relay Module with WiFi & Wireless/BLE, 4-Channel Heavy-Duty Relay Board, ESP-32S2/ESP-32X2, DC/AC Power Supply Board, Overload & Overheat Protection, for Smart Home, Industry Automation, Robotics, Door Locks, Lighting - Compatible with Arduino, Raspberry Pi, ESP32 ProjectsOpen in new tab.

£12.82
-82%
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a dual channel control module featuring on off functionality with photo isolation compatible with high and triggers designed for electronic components suitable for and industrial control diy projects and as well as sensor applications programmable controller solid state relay plc with input and output optocoupler relay nano electronic component diy electronic kit electronic module kit complete

A Dual-Channel Control Module Featuring On-Off Functionality with Photo-Isolation, Compatible with Both High And Low Level Triggers, Designed for Electronic Components, Suitable for Arduino And Industrial Control, DIY Projects, And Home Automation, As Well As Sensor Applications, Programmable Logic Controller, Solid State Relay, Plc With Input And Output, Optocoupler, Relay, Arduino Nano, Electronic Component, Diy Electronic Kit, Electronic Module, Arduino Kit Complete, ArduinoOpen in new tab.

£4.04
-46%
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20pcs nb90 12s s a 003v 50a small relay suitable for devices electrical management compact relay lightweight design durable construction reliable contacts relay control module diy electronics hobbyists solar power

20pcs NB90-12S-S-A 003V 50A Small Relay Suitable for Various New Energy Devices, Electrical Control, Power Management, Compact Relay, Lightweight Design, Durable Construction, Reliable Contacts, Solidstate Relay, Control Module, DIY Electronics Hobbyists, Solar Power UsersOpen in new tab.

£27.52
-29%
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1 channel relay module with optocoupler isolation supports high or trigger

DC 1-channel relay module with optocoupler isolation, supports high or low level triggerOpen in new tab.

£2.42
-83%
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compact 14 pin electromagnetic relay with transparent plastic shell 12v 24v 110v 220v durable design plug in for ideal for electronic components relay for electrical outlet electronic component sleek relay brass contact material relay module and relay solid state relay v relay voltage relay for relay module

Compact 14-Pin Electromagnetic Relay with Transparent Plastic Shell - 12V/24V/110V/220V, Durable Industrial-Grade Design, Plug-in for Easy Installation, Ideal for Electronic Components, Relay for Electrical Outlet, Electronic Component, Sleek Relay, Brass Contact Material, Relay Module, Contactor And Relay, Rele, Relai, Solid State Relay, V Relay, Voltage Relay For Home, V Relay ModuleOpen in new tab.

£1.89
-45%
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1 channel relay module with optocoupler driver board compatible with development boards for robotics industrial projects relay control board robotics components reliable

1-Channel ESP8266 Relay Module with Optocoupler - High Level Driver Board, Compatible with ESP8266 Development Boards, for Robotics, Automation, Industrial Projects - Easy-to-Use Relay Control Board, Robotics Components, Compact Design, ReliableOpen in new tab.

£1.18
-78%
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5 values relay kit srd 05vdc sl c to srd 24vdc sl c 5 pin 5v to 24v industrial electrical components battery free laser free no power supply other material

5 Values Relay Kit, SRD-05VDC-SL-C to SRD-24VDC-SL-C, 5-Pin, 5V DC to 24V DC, Industrial Electrical Components, Battery-Free, Laser-Free, No Power Supply, Other MaterialOpen in new tab.

£6.23
-29%
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5 values 5 pin 10a srd series relay kit industrial electrical components 5v 6v 9v 12v 24 battery no laser function non powered other material

5 Values 5-Pin 10A SRD Series Relay Kit, Industrial Electrical Components, 5V DC 6V 9V 12V 24V, No Battery, No Laser Function, Non-Powered, Other MaterialOpen in new tab.

£6.69
-26%
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zigbee smart switch 1 channel relay ac 7 32v ac 85 250v usb 5v wireless remote control smart home self locking module compatible with app alexa google home remote controlled switch smart sleek reliable zigbee device precision engineering usbpowered relay iot adopters tech enthusiasts

Zigbee Smart Switch 1 Channel Relay AC/DC 7-32V AC 85-250V USB 5V Wireless Remote Control Smart Home Inching Self-Locking Module Compatible with Tuya APP Alexa Google Home, Remote Controlled Switch, Smart Lighting Control, Sleek Smart Device, Modern Home Automation, Reliable Zigbee Device, Precision Engineering, Usbpowered Relay, Iot Adopters, Tech EnthusiastsOpen in new tab.

£6.40
-84%
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2pcs 1 2 4 channel 5v relay module coupler isolation high trigger industrial isolation compatible with plc control

2pcs 1/2/4-Channel 5V Relay Module | Optocoupler Isolation High/Low Level Trigger | Industrial OPTO Isolation | Compatible with Arduino/Raspberry Pi | PLC Automation ControlOpen in new tab.

£1.92
-86%
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5 pin heavy duty multi purpose relay for c216 w164 w251 w221 cls car wiring harness switch solid state relay automotive relay normally closed relay

5-Pin Heavy-Duty Multi-Purpose Relay for Mercedes-Benz C216 W164 W251 W221 C-Class CLS E-Class GLK S-Class - Direct Fit Car Wiring Harness Switch, Easy Installation, Durable Design, Solid State Relay, Automotive Relay, Normally Closed RelayOpen in new tab.

£3.29
-89%
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16 channel 12v relay module board for dsp avr pic arm microcontroller relay projects professional board precision engineering durable module digital relay multipchannel relay engineering students diy enthusiasts

16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM, Microcontroller Relay, Automation Projects, Compact Design, Professional Board, Precision Engineering, Durable Module, Digital Relay, Multipchannel Relay, Engineering Students, DIY EnthusiastsOpen in new tab.

£7.32
-72%
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smart switch 4ch wifi module 220v 110v 85 250v 10a momentary toggle mode with google smart

Tuya Smart Switch 4CH Wifi Module 220V 110V 85-250V 10A Momentary Toggle Interlock Mode Relay Work with Alexa Google Home, Smart Home Automation, Smart Home DevicesOpen in new tab.

£12.87
-65%
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smart smart control relay module with rf433mhz micro usb 5v dual voltage ac 7 32v intelligent 4 way for switch with three diy smart home and garage door motor control lock control motor pump curtain control 2200w

Tuya Smart/Smart Life APP WiFi Remote Control Relay Module with RF433mhz, Micro USB 5V, Dual Voltage AC/DC 7-32V, Intelligent 4-Way for Switch with Three Modes - DIY Smart Home and Garage Door Motor Control, Lock Control, Motor & Pump & Curtain Control, 2200WOpen in new tab.

£12.16
-67%
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8 channel relay module with optocoupler single chip ic heavy duty industrial relay board plug in for robotics industrial compatible with esp32 no external components needed projects durable construction engineers projects components electronics hobbyists

8-Channel Relay Module with Optocoupler - Single-Chip IC, Heavy-Duty Industrial Relay Board, Plug-in Termination, for Automation, Robotics, Industrial Control Systems - Compatible with Arduino, Raspberry Pi, ESP8266/ESP32 - No External Components Needed, Automation Projects, Compact Design, Durable Construction, Automation Engineers, Automation Projects, Sleek Design, Highquality Components, Electronics HobbyistsOpen in new tab.

£5.02
-87%
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