购买 8 relay module

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$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$51.83
Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands Via Ethernet Port To Control Relay And
Amazon.com
Free shipping
$51.83
Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands Via Ethernet Port To Control Relay And
Amazon.com
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$260.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D4-08TR)
Automation Direct
$260.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D4-08TR)
Automation Direct
$13.49
Relay Module, 12V 8 Channel Low Level Trigger Relay Module With Optocoupler For Automation Equipment Control(12V)
Amazon.com
Free shipping
$13.49
Relay Module, 12V 8 Channel Low Level Trigger Relay Module With Optocoupler For Automation Equipment Control(12V)
Amazon.com
$13.99
Fainwan 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module Compatible With Ar-Duino
Amazon.com
$13.99
Fainwan 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module Compatible With Ar-Duino
Amazon.com
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
$366.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-2)
Automation Direct
$366.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-2)
Automation Direct
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
$35.02
Ethernet IP Remote Controller Module 8 Channel Relay Switch 250VAC 10A, Access Control For Android Tablet System, With Protocol For Re Engineering (
Amazon.com
Free shipping
$35.02
Ethernet IP Remote Controller Module 8 Channel Relay Switch 250VAC 10A, Access Control For Android Tablet System, With Protocol For Re Engineering (
Amazon.com
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
$265.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# T1K-08TRS)
Automation Direct
$265.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# T1K-08TRS)
Automation Direct
$73.00
Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TR)
Automation Direct
$73.00
Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TR)
Automation Direct
$298.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
Automation Direct
$298.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
Automation Direct
$51.83
8-CH Ethernet Relay Module, Adopt Modbus RTU/Modbus TCP Protocol, Supports Poe Power Supply, With Various Isolation And Protection Circuits,
Amazon.com
Free shipping
$51.83
8-CH Ethernet Relay Module, Adopt Modbus RTU/Modbus TCP Protocol, Supports Poe Power Supply, With Various Isolation And Protection Circuits,
Amazon.com
$13.99
AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino
Amazon.com
$13.99
AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino
Amazon.com
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
折扣 12%
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
Amazon.com
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
Amazon.com
$130.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D0-08TR)
Automation Direct
$130.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D0-08TR)
Automation Direct
$152.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F2-08TR)
Automation Direct
$152.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F2-08TR)
Automation Direct
$34.55
Waveshare Industrial Modbus RTU 8-Ch Relay Module With RS485 Bus, Multi Isolation Protection, 5V Voltage
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Free shipping
$34.55
Waveshare Industrial Modbus RTU 8-Ch Relay Module With RS485 Bus, Multi Isolation Protection, 5V Voltage
Amazon.com
$22.39
Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
Amazon.com
$22.39
Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
Amazon.com
$61.00
Relay Output Module: 8-pt, 6-24 VDC/6-120 VAC (PN# P1-08TRS)
Automation Direct
$61.00
Relay Output Module: 8-pt, 6-24 VDC/6-120 VAC (PN# P1-08TRS)
Automation Direct
$27.68
8 Way Learning Remote Control With Relay Receiver Module, 12V 500W 433MZH, Flash Repeatedly Erased And Written
Amazon.com
Free shipping
$27.68
8 Way Learning Remote Control With Relay Receiver Module, 12V 500W 433MZH, Flash Repeatedly Erased And Written
Amazon.com
$15.32
8 Channel Relay Board Solid State Relay Module High Level SSR (5V 2A)
Amazon.com
Free shipping
$15.32
8 Channel Relay Board Solid State Relay Module High Level SSR (5V 2A)
Amazon.com
$67.00
Relay Output Module: 8-pt, 6-27 VDC/6-240 VAC (PN# C0-08TR-3)
Automation Direct
$67.00
Relay Output Module: 8-pt, 6-27 VDC/6-240 VAC (PN# C0-08TR-3)
Automation Direct
$160.00
Relay Output Module: 8-pt, 24 VAC/VDC (PN# P2-08TEPS)
Automation Direct
$160.00
Relay Output Module: 8-pt, 24 VAC/VDC (PN# P2-08TEPS)
Automation Direct
$29.99
DEVMO 8 Channel DC 5V Relay Module Board, (4PACK) Electrical Equipments 8-Ch Optocoupler Compatible With PIC AVR DSP ARM MCU PLC Smart Home Control
Amazon.com
$29.99
DEVMO 8 Channel DC 5V Relay Module Board, (4PACK) Electrical Equipments 8-Ch Optocoupler Compatible With PIC AVR DSP ARM MCU PLC Smart Home Control
Amazon.com
$112.00
Relay Output Module: 8-pt, 125 VDC/250 VAC (PN# XBE-RY08B)
Automation Direct
$112.00
Relay Output Module: 8-pt, 125 VDC/250 VAC (PN# XBE-RY08B)
Automation Direct
$323.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-1)
Automation Direct
$323.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-1)
Automation Direct
$82.00
Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TRZ)
Automation Direct
$82.00
Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TRZ)
Automation Direct
$63.00
Relay Output Module: 8-pt, 6-240 VAC/6-27 VDC (PN# C0-08TR)
Automation Direct
$63.00
Relay Output Module: 8-pt, 6-240 VAC/6-27 VDC (PN# C0-08TR)
Automation Direct
$111.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D2-08TR)
Automation Direct
$111.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D2-08TR)
Automation Direct
$14.72
Eujgoov USB Relay Board, 12V 8-Channel Computer USB Controller Switch Relay Module, Automatic Operation, Silver Contact, Normally Closed, Surface
Amazon.com
Free shipping
$14.72
Eujgoov USB Relay Board, 12V 8-Channel Computer USB Controller Switch Relay Module, Automatic Operation, Silver Contact, Normally Closed, Surface
Amazon.com
$34.99
Waveshare Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Compatible With Raspberry Pi A+/B+/2B/3B/3B+ Control High Voltage Home
Amazon.com
$34.99
Waveshare Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Compatible With Raspberry Pi A+/B+/2B/3B/3B+ Control High Voltage Home
Amazon.com
8 Channel Relay Module - Complete Arduino Guide! ⚡🔌
0:40
YouTubeArduino DIY Projects
8 Channel Relay Module - Complete Arduino Guide! ⚡🔌
Learn how to control 8 devices using an 8 Channel 5V Relay Module with Arduino! Perfect for home automation projects! ⚡🏠 What you'll learn: 8 channel relay wiring to Arduino Control AC/DC devices safely Individual relay programming Optocoupler isolation explained HIGH/LOW trigger modes Components needed: 🔹 Arduino Uno/Mega 🔹 8 ...
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购买 8 relay module

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$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$51.83
Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands Via Ethernet Port To Control Relay And
Amazon.com
Free shipping
$51.83
Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands Via Ethernet Port To Control Relay And
Amazon.com
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$260.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D4-08TR)
Automation Direct
$260.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D4-08TR)
Automation Direct
$13.49
Relay Module, 12V 8 Channel Low Level Trigger Relay Module With Optocoupler For Automation Equipment Control(12V)
Amazon.com
Free shipping
$13.49
Relay Module, 12V 8 Channel Low Level Trigger Relay Module With Optocoupler For Automation Equipment Control(12V)
Amazon.com
$13.99
Fainwan 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module Compatible With Ar-Duino
Amazon.com
$13.99
Fainwan 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module Compatible With Ar-Duino
Amazon.com
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
$366.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-2)
Automation Direct
$366.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-2)
Automation Direct
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
$35.02
Ethernet IP Remote Controller Module 8 Channel Relay Switch 250VAC 10A, Access Control For Android Tablet System, With Protocol For Re Engineering (
Amazon.com
Free shipping
$35.02
Ethernet IP Remote Controller Module 8 Channel Relay Switch 250VAC 10A, Access Control For Android Tablet System, With Protocol For Re Engineering (
Amazon.com
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
$265.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# T1K-08TRS)
Automation Direct
$265.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# T1K-08TRS)
Automation Direct
$73.00
Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TR)
Automation Direct
$73.00
Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TR)
Automation Direct
$298.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
Automation Direct
$298.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
Automation Direct
$51.83
8-CH Ethernet Relay Module, Adopt Modbus RTU/Modbus TCP Protocol, Supports Poe Power Supply, With Various Isolation And Protection Circuits,
Amazon.com
Free shipping
$51.83
8-CH Ethernet Relay Module, Adopt Modbus RTU/Modbus TCP Protocol, Supports Poe Power Supply, With Various Isolation And Protection Circuits,
Amazon.com
$13.99
AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino
Amazon.com
$13.99
AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino
Amazon.com
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
折扣 12%
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com