购买 Channel Relay Module

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$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
37
Free shipping
$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
37
$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
179
$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
179
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
420
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
420
$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
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
27
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
27
$7.99
$8.99
NOYITO 30A 1 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
93
折扣 11%
$7.99
$8.99
NOYITO 30A 1 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
93
$8.99
GAEYAELE 1 Channel Relay Module DC5V Relay Interface
Amazon.com
142
Free shipping
$8.99
GAEYAELE 1 Channel Relay Module DC5V Relay Interface
Amazon.com
142
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$7.99
Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
Amazon.com
8
$7.99
Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
Amazon.com
8
$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
$16.99
KEYESTUDIO 4 Channel Relay Shield 5V Relay Module For Arduino
Amazon.com
2
$16.99
KEYESTUDIO 4 Channel Relay Shield 5V Relay Module For Arduino
Amazon.com
2
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
87
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
87
$7.95
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
10
$7.95
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
10
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
154
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
154
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
3
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
3
$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
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation 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
100
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
100
$13.99
2/4/8-Channel 5V Relay Module 8-Channel
SainSmart.com
416
$13.99
2/4/8-Channel 5V Relay Module 8-Channel
SainSmart.com
416
$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
$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
5
$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
5
$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
77
$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
77
$1.50
5V 12V 24V 1-Channel Relay Module Shield (5V)
Amazon.com
$1.50
5V 12V 24V 1-Channel Relay Module Shield (5V)
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$82.00
Allen-Bradley 1746-OW8 SLC 500 8-Channel Relay Output Module, A
PLCHardware.com
5
$82.00
Allen-Bradley 1746-OW8 SLC 500 8-Channel Relay Output Module, A
PLCHardware.com
5
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
40
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
40
$1.95
4-Channel 5V Relay Module Relay Control Board Four-Way Relay Expansion Board
Alibaba B2B
Free shipping
$1.95
4-Channel 5V Relay Module Relay Control Board Four-Way Relay Expansion Board
Alibaba B2B
Free shipping
$34.94
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
1
$34.94
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
1
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
$29.99
8-Channel 12V USB Relay Module | Sainsmart USA
SainSmart.com
$29.99
8-Channel 12V USB Relay Module | Sainsmart USA
SainSmart.com
$91.75
MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
$91.75
MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
[SOLVED] Jumpers? - 3V 1 Channel Relay Power Switch Module
[SOLVED] Jumpers? - 3V 1 Channel Relay Power Switch Module
2020年2月9日
allaboutcircuits.com
CONTROLLING 5V 4 CHANNEL RELAY FROM WEB SERVER USING ESP8266 NODEMCU.
CONTROLLING 5V 4 CHANNEL RELAY FROM WEB SERVER USIN…
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YouTubeMYTECTUTOR
Esp32 controlling 16-channel Relay
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YouTubeDeo
Everything you need to know about RELAYS
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Everything you need to know about RELAYS
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YouTubePlayful Technology
Home Automation: 4 channel Solid State Relay with Arduino To control 4 bulbs or loads RJT150
14:31
Home Automation: 4 channel Solid State Relay with Arduino To contr…
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YouTubeRobojax
How to use 4 channel Arduino Relay Shield RJT36
11:00
How to use 4 channel Arduino Relay Shield RJT36
已浏览 3.5万 次2017年12月28日
YouTubeRobojax
HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH ARDUINO
5:11
HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH …
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YouTubeMYTECTUTOR
6:20
How to test 5VDC relay module
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YouTubePassion Tech KLM
4:33
5V 1 Channel Level Trigger Optocoupler Relay Module For Ar…
已浏览 12.2万 次2019年6月11日
YouTubeUnboxing Channel
4:41
How to use an Arduino Relay Module
已浏览 17.4万 次2018年2月4日
YouTubeTinker & Build
4:56
E5 Using 5V 1 channel relay module for Arduino RJT05
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YouTubeRobojax
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433MHz 12V 4CH Channel Relay RF Wireless Remote Control Switch K…
已浏览 7.3万 次2020年3月24日
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11:41
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YouTubeBrad Henson
4:18
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2:51
The 4-Channel Active Low Relay Module - A Demonstration Video
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22:40
Home Automation: Control 16 channel relay with CD74HC4067 M…
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16:52
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已浏览 12.7万 次2016年2月27日
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购买 Channel Relay Module

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$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
37
Free shipping
$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
37
$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
179
$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
179
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
420
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
420
$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
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
27
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
27
$7.99
$8.99
NOYITO 30A 1 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
93
折扣 11%
$7.99
$8.99
NOYITO 30A 1 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
93
$8.99
GAEYAELE 1 Channel Relay Module DC5V Relay Interface
Amazon.com
142
Free shipping
$8.99
GAEYAELE 1 Channel Relay Module DC5V Relay Interface
Amazon.com
142
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$7.99
Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
Amazon.com
8
$7.99
Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
Amazon.com
8
$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
$16.99
KEYESTUDIO 4 Channel Relay Shield 5V Relay Module For Arduino
Amazon.com
2
$16.99
KEYESTUDIO 4 Channel Relay Shield 5V Relay Module For Arduino
Amazon.com
2
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
87
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
87
$7.95
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
10
$7.95
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
10
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
154
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
154
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
3
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
3
$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
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6