购买 4 relay module arduino

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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
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2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
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XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
9
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$3.90
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
$19.67
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
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MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
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5V 4 Channel Relay Shield Module For Arduino UNO R3 ARM PIC AVR DSP Electronic 4 Way Four Channel
AliExpress
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5V 4 Channel Relay Shield Module For Arduino UNO R3 ARM PIC AVR DSP Electronic 4 Way Four Channel
AliExpress
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
11
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DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
11
$2.19
$2.30
5V 4 Channel Relay Module BOARD With Optocoupler Output 4 Way FOR ARDUINO
AliExpress
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$2.30
5V 4 Channel Relay Module BOARD With Optocoupler Output 4 Way FOR ARDUINO
AliExpress
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$4.04
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
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5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
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4 Channel 5V Relay Shield Module, Four Way Relay Control Board Expansion Board For Arduino UNO R3
AliExpress
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4 Channel 5V Relay Shield Module, Four Way Relay Control Board Expansion Board For Arduino UNO R3
AliExpress
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
87
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
87
$7.73
Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
$18.99
5Pcs 5V 4 Channel Relay Module Compatible With Arduino And ARM Boards
Evalm
$18.99
5Pcs 5V 4 Channel Relay Module Compatible With Arduino And ARM Boards
Evalm
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5V 4-Channel Relay Module For Arduino Pic Arm Dsp Avr Electronic
eBay
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5V 4-Channel Relay Module For Arduino Pic Arm Dsp Avr Electronic
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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5V 4--Channel Relay Module For Arduino Pic Arm Dsp Avr Electronic
eBay
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5V 4--Channel Relay Module For Arduino Pic Arm Dsp Avr Electronic
eBay
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$3.42
Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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1Pcs Dc 12V 4-Channel Relay Module Optocoupler For Arduino Pic Arm Avr
eBay
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1Pcs Dc 12V 4-Channel Relay Module Optocoupler For Arduino Pic Arm Avr
eBay
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1Pcs Dc 12V 4-Channel Relay Module Optocoupler For Arduino Pic Arm Avr
eBay
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1Pcs Dc 12V 4-Channel Relay Module Optocoupler For Arduino Pic Arm Avr
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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Four Channel Relay Shield 5V 4 Channel Relay Shield Module For Arduino
eBay
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SR504-4 Switching Relaysr-504-44 Channel Relay Module
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6
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SR504-4 Switching Relaysr-504-44 Channel Relay Module
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AIHJCNELE 2Pcs 5V 4 Channel Solid State Relay Module Low Level Trigger 2A 240W DIY Relay With Fuse SSR G3MB-202P DC Control AC Relay Development Board
Amazon.com
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AIHJCNELE 2Pcs 5V 4 Channel Solid State Relay Module Low Level Trigger 2A 240W DIY Relay With Fuse SSR G3MB-202P DC Control AC Relay Development Board
Amazon.com
$35.00
Kincony KC868-A4 ESP32 4-Channel Relay Module For Smart Home For Arduino Compatible Product
Alibaba B2B
Free shipping
$35.00
Kincony KC868-A4 ESP32 4-Channel Relay Module For Smart Home For Arduino Compatible Product
Alibaba B2B
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$6.42
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
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Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$1.75
1-10Pcs 5V 4 Channel Relay Shield Module For Arduino R3 ARM PIC AVR DSP Electronic 4 Channel Relay
AliExpress
$1.75
1-10Pcs 5V 4 Channel Relay Shield Module For Arduino R3 ARM PIC AVR DSP Electronic 4 Channel Relay
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
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$9.99
Dc 9V 70W 4 Channel Relay Shield Optocoupler Module For Arduino
eBay
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Dc 9V 70W 4 Channel Relay Shield Optocoupler Module For Arduino
eBay
4 Relay module interface with an Arduino UNO. #electronics #arduino #iot #arduinoproject #tutorial
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购买 4 relay module arduino

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$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
8
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
8
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
432
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
432
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$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
Amazon.com
34
$10.99
$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
Amazon.com
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
81
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
2
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XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
2
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
9
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
9
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$3.90
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
$3.90
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
$19.67
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$19.67
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$3.59
5V 4 Channel Relay Shield Module For Arduino UNO R3 ARM PIC AVR DSP Electronic 4 Way Four Channel
AliExpress
$3.59
5V 4 Channel Relay Shield Module For Arduino UNO R3 ARM PIC AVR DSP Electronic 4 Way Four Channel
AliExpress
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
11
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
11
$2.19
$2.30
5V 4 Channel Relay Module BOARD With Optocoupler Output 4 Way FOR ARDUINO
AliExpress
$2.19
$2.30
5V 4 Channel Relay Module BOARD With Optocoupler Output 4 Way FOR ARDUINO
AliExpress
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$4.04
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
$4.04
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
$3.93
4 Channel 5V Relay Shield Module, Four Way Relay Control Board Expansion Board For Arduino UNO R3
AliExpress
$3.93
4 Channel 5V Relay Shield Module, Four Way Relay Control Board Expansion Board For Arduino UNO R3
AliExpress
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
87
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
87