购买 Two-Channel Relay Module

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Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
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2910537 Phoenix Contact - Relay Module - PLC-RPT- 24DC/2X21/FG | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
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PLC Direct
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5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
AliExpress
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3V 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Optocoupler Isolation Relay Module
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220V Two-Channel Relay Automatic Switch Module 10A Dual Relays Electrical Accessories Power
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5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Relay Control With Optocoupler Two Way
AliExpress
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5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Relay Control With Optocoupler Two Way
AliExpress
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ONE TWO 1 2 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low
AliExpress
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ONE TWO 1 2 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low
AliExpress
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5V 12V 24V 1/2/4/8 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
AliExpress
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5V 12V 24V 1/2/4/8 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
AliExpress
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2943754 Phoenix Contact - Multiple Relay Module - EMUG 22- 4REL/KSR-G 24/ 1 | PLC Direct | Programmable Logic Controllers And Industrial Automation
PLC Direct
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PLC Direct
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LCUS-2 Type 2 CHANNEL USB Relay Module USB Intelligent Control Switch LCUS-1 Computer Serial Port
AliExpress
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LCUS-2 Type 2 CHANNEL USB Relay Module USB Intelligent Control Switch LCUS-1 Computer Serial Port
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5V/12V 2-Channel Bluetooth Relay Module Smart Home Mobile APP Remote Control Switch Dual Wifi Module
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MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
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Mini DC 5V 12V DPDT Relay Module Double Pole Double Throw Switch Board Reverse Polarity For Arduino
AliExpress
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Mini DC 5V 12V DPDT Relay Module Double Pole Double Throw Switch Board Reverse Polarity For Arduino
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Mini 1 Channel 5V DC DPDT Relay Board Double Pole Double Throw Switch Module HK19F PCB For Arduino
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Mini 1 Channel 5V DC DPDT Relay Board Double Pole Double Throw Switch Module HK19F PCB For Arduino
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ESP32 2 Channel Wifi Relay Control Switch Module IOT ESP32-WROOM Dual Channel Relay Control Board Module For Arduino Smart Home
Alibaba B2B
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ESP32 2 Channel Wifi Relay Control Switch Module IOT ESP32-WROOM Dual Channel Relay Control Board Module For Arduino Smart Home
Alibaba B2B
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1 2 4 8 Way Channel Relay Module 5V 12V 24V With Optocoupler Support High And Low Level Trigger For
AliExpress
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1 2 4 8 Way Channel Relay Module 5V 12V 24V With Optocoupler Support High And Low Level Trigger For
AliExpress
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DC5V ESP8266 ESP-01ESP-01S Dual Channel WIFI Relay Module With Relay Indicator And Reset Button Low Level Control 2 CH Relay
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750-513 WAGO The 750-513 Is A 2-Channel Relay Output Module Featuring Two Isolated, Normally Open (Make) Contacts For Switching AC And DC Loads.
Onlinecomponents.com
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750-513 WAGO The 750-513 Is A 2-Channel Relay Output Module Featuring Two Isolated, Normally Open (Make) Contacts For Switching AC And DC Loads.
Onlinecomponents.com
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2900299 Phoenix Contact - Relay Module - PLC-RPT- 24DC/21 | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
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High Quality 2 Channel DC 5V 12V Relay Module With Optocoupler Low Level Trigger Expansion Board
Alibaba B2B
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High Quality 2 Channel DC 5V 12V Relay Module With Optocoupler Low Level Trigger Expansion Board
Alibaba B2B
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5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way Relay Module
AliExpress
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5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way Relay Module
AliExpress
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1 2 4 8 Channel 5V 12V 24V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2
AliExpress
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1 2 4 8 Channel 5V 12V 24V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2
AliExpress
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2967125 Phoenix Contact - Relay Module - PLC-RSC- 24DC/21-21AU | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
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2967125 Phoenix Contact - Relay Module - PLC-RSC- 24DC/21-21AU | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
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5V 12V Relay Module1 2 4 6 8 Channel With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
AliExpress
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5V 12V Relay Module1 2 4 6 8 Channel With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
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2-Channel 5V Relay Module With Light Coupling Expansion Board Power Driver Modules For 2 Roads
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2-Channel 5V Relay Module With Light Coupling Expansion Board Power Driver Modules For 2 Roads
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2 Channel 24V Relay Module Solid State Low Level SSR DC Control 250V 2A With Resistive Fuse
Alibaba B2B
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2 Channel 24V Relay Module Solid State Low Level SSR DC Control 250V 2A With Resistive Fuse
Alibaba B2B
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5V 12V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
AliExpress
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5V 12V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
AliExpress
Step-by-Step Guide: Interface 2 Channel Relay Channels With Arduino
instructables.com
Step-by-Step Guide: Interface 2 Channel Relay Channels With Arduino
Step-by-Step Guide: Interface 2 Channel Relay Channels With Arduino: In your upcoming project, you may need to use your Arduino to control a high-voltage device, such as a lamp, fan, or household appliance. However, the Arduino, operating at 5 volts, cannot directly control these high-voltage appliances.To address t…
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购买 Two-Channel Relay Module

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$2.30
8-Channel DC 5V Relay Module With 12V Relay Module 8-Ch Optocoupler Electrical Equipment Accessories
Alibaba B2B
Free shipping
$2.30
8-Channel DC 5V Relay Module With 12V Relay Module 8-Ch Optocoupler Electrical Equipment Accessories
Alibaba B2B
$1.76
2S Delay Time Relay Module LED Display Adjustable Programmable 5V 12V 24V Power Control Relay Motor Control
Alibaba B2B
Free shipping
$1.76
2S Delay Time Relay Module LED Display Adjustable Programmable 5V 12V 24V Power Control Relay Motor Control
Alibaba B2B
$130.00
Two Channel Relay Output Module Modbus RS485 Output
IOThrifty
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Two Channel Relay Output Module Modbus RS485 Output
IOThrifty
$1.14
$1.20
5V 2 TWO Channel Relay Module Low Level 5VDC 2 Road Relay Module Control Board With Optocoupler FOR
AliExpress
$1.14
$1.20
5V 2 TWO Channel Relay Module Low Level 5VDC 2 Road Relay Module Control Board With Optocoupler FOR
AliExpress
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$2.47
5V 2 Channel Relay Module High And Low Level Trigger With Optocoupler Isolation Relay Module For
AliExpress
$2.42
$2.47
5V 2 Channel Relay Module High And Low Level Trigger With Optocoupler Isolation Relay Module For
AliExpress
$6.23
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
AliExpress
$6.23
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
AliExpress
$282.21
2910537 Phoenix Contact - Relay Module - PLC-RPT- 24DC/2X21/FG | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
$282.21
2910537 Phoenix Contact - Relay Module - PLC-RPT- 24DC/2X21/FG | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
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5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
AliExpress
$2.39
$2.43
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
AliExpress
$1.83
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3V 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Optocoupler Isolation Relay Module
AliExpress
折扣 30%
$1.83
$2.62
3V 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Optocoupler Isolation Relay Module
AliExpress
$232.00
Allen-Bradley 440R-D22S2 Guardmaster Dual Input Safety Relay, A
PLCHardware.com
$232.00
Allen-Bradley 440R-D22S2 Guardmaster Dual Input Safety Relay, A
PLCHardware.com
$11.90
$17.00
SONOFF DUAL R3 / DUAL R3 Lite 2 Gang Dual Relay Module DIY Wi-Fi MINI Smart Switch Power Metering
AliExpress
Free shipping
折扣 30%
$11.90
$17.00
SONOFF DUAL R3 / DUAL R3 Lite 2 Gang Dual Relay Module DIY Wi-Fi MINI Smart Switch Power Metering
AliExpress
$5.23
220V Two-Channel Relay Automatic Switch Module 10A Dual Relays Electrical Accessories Power
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220V Two-Channel Relay Automatic Switch Module 10A Dual Relays Electrical Accessories Power
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5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Relay Control With Optocoupler Two Way
AliExpress
折扣 23%
$1.52
$1.98
5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Relay Control With Optocoupler Two Way
AliExpress
$3.44
ONE TWO 1 2 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low
AliExpress
$3.44
ONE TWO 1 2 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low
AliExpress
$1.88
5V 12V 24V 1/2/4/8 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
AliExpress
$1.88
5V 12V 24V 1/2/4/8 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
AliExpress
$279.93
2943754 Phoenix Contact - Multiple Relay Module - EMUG 22- 4REL/KSR-G 24/ 1 | PLC Direct | Programmable Logic Controllers And Industrial Automation
PLC Direct
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2943754 Phoenix Contact - Multiple Relay Module - EMUG 22- 4REL/KSR-G 24/ 1 | PLC Direct | Programmable Logic Controllers And Industrial Automation
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LCUS-2 Type 2 CHANNEL USB Relay Module USB Intelligent Control Switch LCUS-1 Computer Serial Port
AliExpress
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LCUS-2 Type 2 CHANNEL USB Relay Module USB Intelligent Control Switch LCUS-1 Computer Serial Port
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5V/12V 2-Channel Bluetooth Relay Module Smart Home Mobile APP Remote Control Switch Dual Wifi Module
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5V/12V 2-Channel Bluetooth Relay Module Smart Home Mobile APP Remote Control Switch Dual Wifi Module
AliExpress