购买 5V 4 Channel Relay Module

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$47.17
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
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GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
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$25.49
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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$25.49
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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$23.82
Enwye 4-Channel Relay Module With Optocoupler Isolation Supports High And Low Voltage Trigger Expansion Board, 5V
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$23.82
Enwye 4-Channel Relay Module With Optocoupler Isolation Supports High And Low Voltage Trigger Expansion Board, 5V
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$33.94
Regun 4 Channel 5V Flip-Flop Latch Relay, Relay Module Bistable Self-Locking Low Pulse Trigger Module For Automotive Electronic Motor
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$33.94
Regun 4 Channel 5V Flip-Flop Latch Relay, Relay Module Bistable Self-Locking Low Pulse Trigger Module For Automotive Electronic Motor
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$1.64
High Quality 4 Channel 5V Relay Module4 / Channel Relay Module 5V
Alibaba B2B
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High Quality 4 Channel 5V Relay Module4 / Channel Relay Module 5V
Alibaba B2B
$44.82
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
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$44.82
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
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$1.95
4-Channel 5V Relay Module Relay Control Board Four-Way Relay Expansion Board
Alibaba B2B
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4-Channel 5V Relay Module Relay Control Board Four-Way Relay Expansion Board
Alibaba B2B
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$3.42
5V 4 Four Channel Module Relay Shield Interface For Arduino Signal Control Power Expansion Drive
Aliexpress
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5V 4 Four Channel Module Relay Shield Interface For Arduino Signal Control Power Expansion Drive
Aliexpress
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5V 4-Channel Relay Module Low Level Triger With Optocoupler 4 Road Relay Module For Arduino
Aliexpress
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5V 4-Channel Relay Module Low Level Triger With Optocoupler 4 Road Relay Module For Arduino
Aliexpress
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5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
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$4.71
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
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Jubaolai Electronics 4 Channel 5V 12V 24V Relay Red Board Optocoupler Isolated High Low Level Trigger Relay Module
Alibaba B2B
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Jubaolai Electronics 4 Channel 5V 12V 24V Relay Red Board Optocoupler Isolated High Low Level Trigger Relay Module
Alibaba B2B
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New Lowest 5V 4 Channel 4 Way DC 5V 12V 24V Relay Module With Optocoupler Isolation
Alibaba B2B
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New Lowest 5V 4 Channel 4 Way DC 5V 12V 24V Relay Module With Optocoupler Isolation
Alibaba B2B
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$22.01
Heevhas DC 5V 4 Channel Relay Shield Relay Module Relay Control Board With Optocoupler With Indicator Light For Arduino PIC AVR ARM
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Heevhas DC 5V 4 Channel Relay Shield Relay Module Relay Control Board With Optocoupler With Indicator Light For Arduino PIC AVR ARM
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$28.90
AITRIP 2 X 4 Channel DC 5V Relay Module With Optocoupler For Arduino UNO R3 1280 DSP ARM PIC AVR STM32
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AITRIP 2 X 4 Channel DC 5V Relay Module With Optocoupler For Arduino UNO R3 1280 DSP ARM PIC AVR STM32
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$4.49
$8.76
4-Channel 5V Relay Module With Optocoupler, Compatible With Arduino R3, AVR, STM32, PIC, ARM
Aliexpress
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$8.76
4-Channel 5V Relay Module With Optocoupler, Compatible With Arduino R3, AVR, STM32, PIC, ARM
Aliexpress
$27.88
ALAMSCN Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
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$27.88
ALAMSCN Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
ibspot
$37.03
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
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$37.03
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
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$20.02
ELEGOO 4 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi
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$41.00
SENRISE Relay Module 1PC 4 Channel 5V Relay Board Module For Use With Microcontrollers Including Raspberry Pi ARM AVR DSP PIC
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SENRISE Relay Module 1PC 4 Channel 5V Relay Board Module For Use With Microcontrollers Including Raspberry Pi ARM AVR DSP PIC
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$48.54
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
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$48.54
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
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$29.45
Eujgoov Solid State Relay Module 4 Channel Relay Module DC AC 5V High Level Trigger SSR Relay Module Board
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Eujgoov Solid State Relay Module 4 Channel Relay Module DC AC 5V High Level Trigger SSR Relay Module Board
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$27.05
JESSINIE XL9535-K4V5 4 Channel Expandable Relay Module, 5V Power Supply, IIC Communication Opto-Isolated,Compatible With Arduino And Raspberry Pi
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JESSINIE XL9535-K4V5 4 Channel Expandable Relay Module, 5V Power Supply, IIC Communication Opto-Isolated,Compatible With Arduino And Raspberry Pi
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MECCANIXITY 1 Pcs DC 5V 4 Channel Relay Module Switch Boards Shield 30A High Or Low Level Trigger For Electronics Industrial Home Automation
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MECCANIXITY 1 Pcs DC 5V 4 Channel Relay Module Switch Boards Shield 30A High Or Low Level Trigger For Electronics Industrial Home Automation
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AOICRIE 4Pcs 4 Channel DC 5V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Expansion Board For Raspberry Pi
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AOICRIE 4Pcs 4 Channel DC 5V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Expansion Board For Raspberry Pi
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Kwmobile 3 X 4 Channel Relay Module With 5V For Arduino
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Kwmobile 3 X 4 Channel Relay Module With 5V For Arduino
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4CH 220V AC/DC 5V 7V-32V 4 Channel Wifi Voice Control Relay Switch Module Work For Ewelink APP
Aliexpress
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4CH 220V AC/DC 5V 7V-32V 4 Channel Wifi Voice Control Relay Switch Module Work For Ewelink APP
Aliexpress
$1.35
Zopro 4-Channel 5V Relay Module Opto-Isolated High/Low Level Trigger SMD Mounting
Alibaba B2B
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Zopro 4-Channel 5V Relay Module Opto-Isolated High/Low Level Trigger SMD Mounting
Alibaba B2B
$23.61
Akozon 12V Relay Board, 4-Channel Optocoupler Relay Module, Low Trigger 5V/12V/24V, No 5V Board, High Amp 12V
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Akozon 12V Relay Board, 4-Channel Optocoupler Relay Module, Low Trigger 5V/12V/24V, No 5V Board, High Amp 12V
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$9.29
DC 5V 12V Wifi Relay Module 4 Channel ESP8266 ESP-01 Wireless Relay Switch Board 4 Way Phone APP
Aliexpress
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DC 5V 12V Wifi Relay Module 4 Channel ESP8266 ESP-01 Wireless Relay Switch Board 4 Way Phone APP
Aliexpress
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$1.63
4 Channel 5V Relay Shield Module Four Channel Relay Control Board Relay Expansion Board For Arduino
Aliexpress
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$1.63
4 Channel 5V Relay Shield Module Four Channel Relay Control Board Relay Expansion Board For Arduino
Aliexpress
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YIXINTAI Module 4 Channel 5V Relay Shield Module Four Channel Relay Control Board Relay Expansion Board
Alibaba B2B
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YIXINTAI Module 4 Channel 5V Relay Shield Module Four Channel Relay Control Board Relay Expansion Board
Alibaba B2B
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$3.93
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High Low Level Trigger
Aliexpress
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$2.01
$3.93
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High Low Level Trigger
Aliexpress
$54.25
Sainsmart USB 4 Channel Relay Automation (5V)
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Sainsmart USB 4 Channel Relay Automation (5V)
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$33.52
Hosyond 4Pack 4 Channel DC 5V Relay Module With Optocoupler Relay Board For Arduino Raspberry Pi MEGA2560
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$33.52
Hosyond 4Pack 4 Channel DC 5V Relay Module With Optocoupler Relay Board For Arduino Raspberry Pi MEGA2560
ibspot
$0.67
$0.70
5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
Aliexpress
$0.67
$0.70
5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
Aliexpress
How to Set Up a 5V Relay on the Arduino
How to Set Up a 5V Relay on the Arduino
2015年11月28日
circuitbasics.com
ELEGOO DC 5V Relay Module Datasheet
ELEGOO DC 5V Relay Module Datasheet
2020年10月20日
elegoo.com
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购买 5V 4 Channel Relay Module

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$47.17
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
ibspot
$47.17
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
ibspot
$25.49
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
ibspot
$25.49
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
ibspot
$23.82
Enwye 4-Channel Relay Module With Optocoupler Isolation Supports High And Low Voltage Trigger Expansion Board, 5V
ibspot
$23.82
Enwye 4-Channel Relay Module With Optocoupler Isolation Supports High And Low Voltage Trigger Expansion Board, 5V
ibspot
$33.94
Regun 4 Channel 5V Flip-Flop Latch Relay, Relay Module Bistable Self-Locking Low Pulse Trigger Module For Automotive Electronic Motor
ibspot
$33.94
Regun 4 Channel 5V Flip-Flop Latch Relay, Relay Module Bistable Self-Locking Low Pulse Trigger Module For Automotive Electronic Motor
ibspot
$1.64
High Quality 4 Channel 5V Relay Module4 / Channel Relay Module 5V
Alibaba B2B
Free shipping
$1.64
High Quality 4 Channel 5V Relay Module4 / Channel Relay Module 5V
Alibaba B2B
$44.82
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
ibspot
$44.82
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
ibspot
$1.95
4-Channel 5V Relay Module Relay Control Board Four-Way Relay Expansion Board
Alibaba B2B
Free shipping
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4-Channel 5V Relay Module Relay Control Board Four-Way Relay Expansion Board
Alibaba B2B
$1.74
$3.42
5V 4 Four Channel Module Relay Shield Interface For Arduino Signal Control Power Expansion Drive
Aliexpress
Free shipping
折扣 49%
$1.74
$3.42
5V 4 Four Channel Module Relay Shield Interface For Arduino Signal Control Power Expansion Drive
Aliexpress
$3.38
$3.88
5V 4-Channel Relay Module Low Level Triger With Optocoupler 4 Road Relay Module For Arduino
Aliexpress
Free shipping
折扣 12%
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$3.88
5V 4-Channel Relay Module Low Level Triger With Optocoupler 4 Road Relay Module For Arduino
Aliexpress
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$4.71
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
折扣 66%
$1.56
$4.71
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$1.41
Jubaolai Electronics 4 Channel 5V 12V 24V Relay Red Board Optocoupler Isolated High Low Level Trigger Relay Module
Alibaba B2B
Free shipping
$1.41
Jubaolai Electronics 4 Channel 5V 12V 24V Relay Red Board Optocoupler Isolated High Low Level Trigger Relay Module
Alibaba B2B
$1.00
New Lowest 5V 4 Channel 4 Way DC 5V 12V 24V Relay Module With Optocoupler Isolation
Alibaba B2B
Free shipping
$1.00
New Lowest 5V 4 Channel 4 Way DC 5V 12V 24V Relay Module With Optocoupler Isolation
Alibaba B2B
$3.69
$7.39
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
折扣 50%
$3.69
$7.39
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$22.01
Heevhas DC 5V 4 Channel Relay Shield Relay Module Relay Control Board With Optocoupler With Indicator Light For Arduino PIC AVR ARM
ibspot
$22.01
Heevhas DC 5V 4 Channel Relay Shield Relay Module Relay Control Board With Optocoupler With Indicator Light For Arduino PIC AVR ARM
ibspot
$28.90
AITRIP 2 X 4 Channel DC 5V Relay Module With Optocoupler For Arduino UNO R3 1280 DSP ARM PIC AVR STM32
ibspot
$28.90
AITRIP 2 X 4 Channel DC 5V Relay Module With Optocoupler For Arduino UNO R3 1280 DSP ARM PIC AVR STM32
ibspot
$4.49
$8.76
4-Channel 5V Relay Module With Optocoupler, Compatible With Arduino R3, AVR, STM32, PIC, ARM
Aliexpress
折扣 48%
$4.49
$8.76
4-Channel 5V Relay Module With Optocoupler, Compatible With Arduino R3, AVR, STM32, PIC, ARM
Aliexpress
$27.88
ALAMSCN Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
ibspot
$27.88
ALAMSCN Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
ibspot
$37.03
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
ibspot
$37.03
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
ibspot