购买 arduino 8 relay

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$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
34
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
34
$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
205
$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
205
$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
3
$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
3
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
105
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
105
$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
76
$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
76
$50.00
Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)
Amazon.com
Free shipping
$50.00
Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)
Amazon.com
Free shipping
$32.39
Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
Amazon.com
$32.39
Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
Amazon.com
$19.99
ELECTRONICS-SALON Bistable/Latching DPDT 8 Amp Power Relay Module, DC12V Coil
Amazon.com
14
$19.99
ELECTRONICS-SALON Bistable/Latching DPDT 8 Amp Power Relay Module, DC12V Coil
Amazon.com
14
$47.00
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 12V, 8 Channels)
Amazon.com
16
Free shipping
$47.00
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 12V, 8 Channels)
Amazon.com
16
$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
965
$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
965
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
121
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
121
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$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
$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
$18.99
AC/DC Power Supply ESP32 Development Board Programmable Development Board Wireless Wifi 8 Way Channel 5V Relay Module ESP32-WROOM-32E For Arduino
Amazon.com
11
$18.99
AC/DC Power Supply ESP32 Development Board Programmable Development Board Wireless Wifi 8 Way Channel 5V Relay Module ESP32-WROOM-32E For Arduino
Amazon.com
11
$34.99
Waveshare Industrial 8-Ch Digital Input & Output Module, DC 736V Wide Voltage Power Supply, Modbus RTU Protocol, Multiple Isolation Protection
Amazon.com
3
$34.99
Waveshare Industrial 8-Ch Digital Input & Output Module, DC 736V Wide Voltage Power Supply, Modbus RTU Protocol, Multiple Isolation Protection
Amazon.com
3
$45.99
ANMBEST 8 Channel AC/DC 12V Rail Mount Relay Interface Module PNP NPN SPDT 16A Pluggable Power Relay, G2R-1-E
Amazon.com
Free shipping
$45.99
ANMBEST 8 Channel AC/DC 12V Rail Mount Relay Interface Module PNP NPN SPDT 16A Pluggable Power Relay, G2R-1-E
Amazon.com
Free shipping
$3.16
1/2 / 4/8 Channel Solid State Relay G3MB-202P DC-AC PCB SSR In 5VDC Out 240V AC 2A For Arduino (2 Channel)
Amazon.com
$3.16
1/2 / 4/8 Channel Solid State Relay G3MB-202P DC-AC PCB SSR In 5VDC Out 240V AC 2A For Arduino (2 Channel)
Amazon.com
$1.36
$3.79
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
折扣 64%
$1.36
$3.79
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$2.77
$5.37
1Pcs 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
Free shipping
折扣 48%
$2.77
$5.37
1Pcs 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
Free shipping
$2.34
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
Aliexpress
$2.34
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
Aliexpress
$1.75
$3.50
5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
Aliexpress
折扣 50%
$1.75
$3.50
5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
Aliexpress
$13.99
URANT 1NO 1NC 8A Power Relay Module,Suitable For Arduino's 12V Relay Module,Used For Single-Channel Power Switch Control Boards In DIY Electronic
Amazon.com
$13.99
URANT 1NO 1NC 8A Power Relay Module,Suitable For Arduino's 12V Relay Module,Used For Single-Channel Power Switch Control Boards In DIY Electronic
Amazon.com
$2.02
5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.02
5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$1.52
5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$1.52
5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$1.74
DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$1.74
DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$2.42
$4.85
1/2/4/8 Channel 5V Solid State Relay Module Low Level Trigger AC 250V 2A With Fuse For Arduino Home
Aliexpress
Free shipping
折扣 50%
$2.42
$4.85
1/2/4/8 Channel 5V Solid State Relay Module Low Level Trigger AC 250V 2A With Fuse For Arduino Home
Aliexpress
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$27.90
$35.06
8 Channel Pro Mini PLC Relay Shield Module For Arduino - Multifunction Delay Timer Switch Board
Aliexpress
Free shipping
折扣 20%
$27.90
$35.06
8 Channel Pro Mini PLC Relay Shield Module For Arduino - Multifunction Delay Timer Switch Board
Aliexpress
Free shipping
$2.01
5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.01
5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
76
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
76
$1.43
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$1.43
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$0.38
$0.50
1 2 4 6 8 Channel Relay Module Board Shield With Optocouple High And Low Level Trigger For Arduino
Aliexpress
折扣 24%
$0.38
$0.50
1 2 4 6 8 Channel Relay Module Board Shield With Optocouple High And Low Level Trigger For Arduino
Aliexpress
$2.31
$4.58
1PCS 5V Relay 1 2 4 8 Channel Low Level Solid State Relay Module 240V 2A For Arduino
Aliexpress
折扣 49%
$2.31
$4.58
1PCS 5V Relay 1 2 4 8 Channel Low Level Solid State Relay Module 240V 2A For Arduino
Aliexpress
$1.17
5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino
Aliexpress
Free shipping
$1.17
5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino
Aliexpress
Free shipping
$0.80
5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
Aliexpress
$0.80
5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
Aliexpress
$0.55
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$0.55
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
Arduino Uno & IR Remote and 8 Channel Relay Module
Arduino Uno & IR Remote and 8 Channel Relay Module
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Điều khiển 8 relay qua Internet như thế nào?
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DRIVING A RELAY WITH AN ARDUINO
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Relais Modul ganz einfach mit Arduino ansteuern - kollino.de
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Arduino Relay Basics - How It Works and How to Use It
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购买 arduino 8 relay

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$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
34
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
34
$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
205
$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
205
$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
3
$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
3
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
105
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
105
$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
76
$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
76
$50.00
Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)
Amazon.com
Free shipping
$50.00
Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)
Amazon.com
Free shipping
$32.39
Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
Amazon.com
$32.39
Oumefar DC 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Relay Board For Various Power Control Applications
Amazon.com
$19.99
ELECTRONICS-SALON Bistable/Latching DPDT 8 Amp Power Relay Module, DC12V Coil
Amazon.com
14
$19.99
ELECTRONICS-SALON Bistable/Latching DPDT 8 Amp Power Relay Module, DC12V Coil
Amazon.com
14
$47.00
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 12V, 8 Channels)
Amazon.com
16
Free shipping
$47.00
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 12V, 8 Channels)
Amazon.com
16
$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
965
$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
965
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
121
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
121
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$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
$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
$18.99
AC/DC Power Supply ESP32 Development Board Programmable Development Board Wireless Wifi 8 Way Channel 5V Relay Module ESP32-WROOM-32E For Arduino
Amazon.com
11
$18.99
AC/DC Power Supply ESP32 Development Board Programmable Development Board Wireless Wifi 8 Way Channel 5V Relay Module ESP32-WROOM-32E For Arduino
Amazon.com
11
$34.99
Waveshare Industrial 8-Ch Digital Input & Output Module, DC 736V Wide Voltage Power Supply, Modbus RTU Protocol, Multiple Isolation Protection
Amazon.com
3
$34.99
Waveshare Industrial 8-Ch Digital Input & Output Module, DC 736V Wide Voltage Power Supply, Modbus RTU Protocol, Multiple Isolation Protection
Amazon.com
3
$45.99
ANMBEST 8 Channel AC/DC 12V Rail Mount Relay Interface Module PNP NPN SPDT 16A Pluggable Power Relay, G2R-1-E
Amazon.com
Free shipping
$45.99
ANMBEST 8 Channel AC/DC 12V Rail Mount Relay Interface Module PNP NPN SPDT 16A Pluggable Power Relay, G2R-1-E
Amazon.com
Free shipping
$3.16
1/2 / 4/8 Channel Solid State Relay G3MB-202P DC-AC PCB SSR In 5VDC Out 240V AC 2A For Arduino (2 Channel)
Amazon.com
$3.16
1/2 / 4/8 Channel Solid State Relay G3MB-202P DC-AC PCB SSR In 5VDC Out 240V AC 2A For Arduino (2 Channel)
Amazon.com