购买 1Channel Relay Module

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$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
307
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$0.44
1Channel 5V Relay Module Optocoupler Isolated High-Low Trigger Single Chip Red Board 1 Way
Aliexpress
$0.44
1Channel 5V Relay Module Optocoupler Isolated High-Low Trigger Single Chip Red Board 1 Way
Aliexpress
$1.48
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.48
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$3.26
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$3.26
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$1.43
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.43
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
4
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
$0.25
$0.33
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
折扣 24%
$0.25
$0.33
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.32
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.32
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.34
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.34
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$0.59
$0.62
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$0.59
$0.62
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.12
$1.52
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
Free shipping
折扣 26%
$1.12
$1.52
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$1.25
1 Channel One Way 5V 12V Low Level Trigger Relay Module Microcontroller Development Expansion Board
Aliexpress
$1.25
1 Channel One Way 5V 12V Low Level Trigger Relay Module Microcontroller Development Expansion Board
Aliexpress
$0.77
$1.02
One 1 Channel Way 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low
Aliexpress
折扣 24%
$0.77
$1.02
One 1 Channel Way 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low
Aliexpress
$0.36
$0.45
One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With
Aliexpress
折扣 19%
$0.36
$0.45
One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With
Aliexpress
$1.76
High And Low Level Trigger 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU
Aliexpress
$1.76
High And Low Level Trigger 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU
Aliexpress
$0.39
$0.41
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
Free shipping
$0.39
$0.41
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$2.10
$4.15
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
折扣 49%
$2.10
$4.15
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
$1.85
One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With
Aliexpress
$1.85
One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With
Aliexpress
$0.66
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$0.66
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$2.04
$4.08
5V 9V 12V 24V One 1 Channel Relay Module Shield With Optocoupler Isolation Relay Switch Board
Aliexpress
折扣 50%
$2.04
$4.08
5V 9V 12V 24V One 1 Channel Relay Module Shield With Optocoupler Isolation Relay Switch Board
Aliexpress
$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
$1.47
One 1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low
Aliexpress
$1.47
One 1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low
Aliexpress
$20.00
8 And 16 Channel Outputs1no 1NC Din Rail Relay Module Electromagnetic 24V Relay Board For CNC
Aliexpress
Free shipping
$20.00
8 And 16 Channel Outputs1no 1NC Din Rail Relay Module Electromagnetic 24V Relay Board For CNC
Aliexpress
$0.55
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
Free shipping
$0.55
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$0.38
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$0.38
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$1.61
1/5/10Pcs 1 Channel Relay Module 5V/12V/24V Low Level Trigger For Arduino PIC AVR DSP ARM MCU DC AC
Aliexpress
$1.61
1/5/10Pcs 1 Channel Relay Module 5V/12V/24V Low Level Trigger For Arduino PIC AVR DSP ARM MCU DC AC
Aliexpress
$0.30
$0.41
5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU
Aliexpress
Free shipping
折扣 26%
$0.30
$0.41
5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU
Aliexpress
$1.98
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$1.98
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$1.76
1 Channel Relay Module Low Level Trigger Optocoupler Isolation 5V 12V 24V Relay Module PLC Control
Aliexpress
$1.76
1 Channel Relay Module Low Level Trigger Optocoupler Isolation 5V 12V 24V Relay Module PLC Control
Aliexpress
$1.35
$1.88
1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level
Aliexpress
折扣 28%
$1.35
$1.88
1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level
Aliexpress
$1.98
$2.56
Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
折扣 22%
$1.98
$2.56
Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
$3.82
$4.71
1 Channel Relay High Level Trigger Relay Module 3.3-5.5V Relay Board MCU Development Board Expansion
Aliexpress
Free shipping
折扣 18%
$3.82
$4.71
1 Channel Relay High Level Trigger Relay Module 3.3-5.5V Relay Board MCU Development Board Expansion
Aliexpress
1-Channel Relay Module and Air Valve
1-Channel Relay Module and Air Valve
2019年5月24日
arduino.cc
ESP32 Relay Module - Control AC Appliances (Web Server) | Random Nerd Tutorials
ESP32 Relay Module - Control AC Appliances (Web Server) | Rando…
2019年12月18日
randomnerdtutorials.com
ESP8266 NodeMCU Relay Module - Control AC Appliances (Web Server) | Random Nerd Tutorials
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ESP8266 NodeMCU Relay Module - Control AC Appliances (Web Serv…
2019年12月18日
randomnerdtutorials.com
1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High Low Edge Trigger for Arduino Raspberry Pi DC 5V 12V 24V - Walmart.ca
1 2 4 6 8 Channel Relay Module Board Shield with Optocouple Hig…
已浏览 21.5亿 次2025年2月26日
walmart.ca
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 1Channel Relay Module

广告
关于我们的广告
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
307
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$0.44
1Channel 5V Relay Module Optocoupler Isolated High-Low Trigger Single Chip Red Board 1 Way
Aliexpress
$0.44
1Channel 5V Relay Module Optocoupler Isolated High-Low Trigger Single Chip Red Board 1 Way
Aliexpress
$1.48
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.48
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$3.26
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$3.26
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$1.43
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.43
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
4
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
$0.25
$0.33
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
折扣 24%
$0.25
$0.33
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.32
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.32
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.34
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.34
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$0.59
$0.62
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$0.59
$0.62
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.12
$1.52
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
Free shipping
折扣 26%
$1.12
$1.52
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$1.25
1 Channel One Way 5V 12V Low Level Trigger Relay Module Microcontroller Development Expansion Board
Aliexpress
$1.25
1 Channel One Way 5V 12V Low Level Trigger Relay Module Microcontroller Development Expansion Board
Aliexpress
$0.77
$1.02
One 1 Channel Way 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low
Aliexpress
折扣 24%
$0.77
$1.02
One 1 Channel Way 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low
Aliexpress
$0.36
$0.45
One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With
Aliexpress
折扣 19%
$0.36
$0.45
One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With
Aliexpress
$1.76
High And Low Level Trigger 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU
Aliexpress
$1.76
High And Low Level Trigger 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU
Aliexpress
$0.39
$0.41
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
Free shipping
$0.39
$0.41
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$2.10
$4.15
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
折扣 49%
$2.10
$4.15
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress