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$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
14
$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
14
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.99
Electronics-Salon 1PCS Dual SPST-NO 10Amp Power Relay Module, AC/DC 5V Control Voltage.
Amazon.com
29
$14.99
Electronics-Salon 1PCS Dual SPST-NO 10Amp Power Relay Module, AC/DC 5V Control Voltage.
Amazon.com
29
$8.03
DC 5-36V Digital LED Relay Board Dual-MOS Cycle Timing Circuit Switch Timer Delay Module Turn On Off Relay Module
Amazon.com
$8.03
DC 5-36V Digital LED Relay Board Dual-MOS Cycle Timing Circuit Switch Timer Delay Module Turn On Off Relay Module
Amazon.com
$34.99
Aqara Dual Relay Module T2,Smart Relay Switch Dry Contact Mode For Garage Doors And Boilers,Light Switch Roller Shade Switch,Supports Homekit And
Amazon.com
81
$34.99
Aqara Dual Relay Module T2,Smart Relay Switch Dry Contact Mode For Garage Doors And Boilers,Light Switch Roller Shade Switch,Supports Homekit And
Amazon.com
81
$320.00
Allen-Bradley 440R-D22S2 Guardmaster Dual Input Safety Relay, A
PLCHardware.com
$320.00
Allen-Bradley 440R-D22S2 Guardmaster Dual Input Safety Relay, A
PLCHardware.com
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$9.99
2 Channel Relay Module - Progressive Automations
Progressive Automations
$9.99
2 Channel Relay Module - Progressive Automations
Progressive Automations
$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
$16.99
AITIAO 2Pcs DC 24V 20A Relay Module With Dual LED Digital Display Programmable Cycle Timer Switch ON-Off Control
Amazon.com
13
$16.99
AITIAO 2Pcs DC 24V 20A Relay Module With Dual LED Digital Display Programmable Cycle Timer Switch ON-Off Control
Amazon.com
13
$99.00
REC-Precharge Module V3.1 For Dual Latching Relay Systems
Off Grid and Marine Energy
$99.00
REC-Precharge Module V3.1 For Dual Latching Relay Systems
Off Grid and Marine Energy
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
367
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
367
$114.12
Yamaha - Relay Module Stbd 24V Dual Act - 6BT-50054-05-00
Parts Vu
$114.12
Yamaha - Relay Module Stbd 24V Dual Act - 6BT-50054-05-00
Parts Vu
$4.53
Two Channel 2-Way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
$4.53
Two Channel 2-Way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
$142.86
NOVUS 8811200101, Modbus IO Module Digirail Dual Relay Outputs
Selectum
$142.86
NOVUS 8811200101, Modbus IO Module Digirail Dual Relay Outputs
Selectum
$87.68
$95.15
INTELLITEC B.I.R.D.-D-2 2Amp 12V DC Bi-Directional Isolator Relay
Amazon.com
1
Free shipping
$87.68
$95.15
INTELLITEC B.I.R.D.-D-2 2Amp 12V DC Bi-Directional Isolator Relay
Amazon.com
1
$2.61
$7.71
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
66% off
$2.61
$7.71
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$0.94
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
Free shipping
$0.94
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
Free shipping
$0.77
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$0.77
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$1.50
$2.14
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
29% off
$1.50
$2.14
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$13.75
$14.75
Supco 90340 General Purpose Switching Relay, 24 V Coil Voltage, Double Pole Double Throw Contacts
Amazon.com
165
$13.75
$14.75
Supco 90340 General Purpose Switching Relay, 24 V Coil Voltage, Double Pole Double Throw Contacts
Amazon.com
165
$187.67
Yamaha - Relay Module, Dual Act Port 12 - 6BT-50053-63-00
Parts Vu
$187.67
Yamaha - Relay Module, Dual Act Port 12 - 6BT-50053-63-00
Parts Vu
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
140
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
140
$187.67
Yamaha - Relay Module, Dual Act Stbd 12 - 6BT-50053-71-00
Parts Vu
$187.67
Yamaha - Relay Module, Dual Act Stbd 12 - 6BT-50053-71-00
Parts Vu
$39.95
$47.00
8 Channel Relay Network IP Relay Web Relay Dual Control Ethernet RJ45 Interface
Aliexpress
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$47.00
8 Channel Relay Network IP Relay Web Relay Dual Control Ethernet RJ45 Interface
Aliexpress
Free shipping
$130.00
Two Channel Relay Output Module Modbus RS485 Output
IOThrifty
$130.00
Two Channel Relay Output Module Modbus RS485 Output
IOThrifty
$15.99
$16.99
Programmable Timer Delay Relay Module DC 5V-36V Adjustable On/Off Cycle Timer Switch With Dual MOS Output Digital Display Emergency Stop Protective
Amazon.com
251
$15.99
$16.99
Programmable Timer Delay Relay Module DC 5V-36V Adjustable On/Off Cycle Timer Switch With Dual MOS Output Digital Display Emergency Stop Protective
Amazon.com
251
$156.06
Wattstopper LCSP-2 Dual Single Pole Relay Module For LC8
Voomi Supply
$156.06
Wattstopper LCSP-2 Dual Single Pole Relay Module For LC8
Voomi Supply
$1.53
$2.04
DC 7-30V Cycle Timer Delay Dual-MOS Output Module On/Off Switch Delay Relay
Aliexpress
25% off
$1.53
$2.04
DC 7-30V Cycle Timer Delay Dual-MOS Output Module On/Off Switch Delay Relay
Aliexpress
$6.95
HQ 2 Channel 2CH 24VDC Relay Board PLC DIN Rail Mounting Dual LED NPN/PNP. MDFLY. Garage Door Remotes. MOL-RL0224.
eBay
$6.95
HQ 2 Channel 2CH 24VDC Relay Board PLC DIN Rail Mounting Dual LED NPN/PNP. MDFLY. Garage Door Remotes. MOL-RL0224.
eBay
$29.99
Jqc3f-5Vdc-C Duo Channel Relay Module, 5Vdc Each, (R)
eBay
Free shipping
$29.99
Jqc3f-5Vdc-C Duo Channel Relay Module, 5Vdc Each, (R)
eBay
Free shipping
$82.69
MACROMATIC Control Relay, Dual Pump Up, 120V, LCP2C100
Zoro.com
$82.69
MACROMATIC Control Relay, Dual Pump Up, 120V, LCP2C100
Zoro.com
$12.23
Phoenix Contact Relay Module 12V Dc Dual Changeover - 2906223
Tameson.com
$12.23
Phoenix Contact Relay Module 12V Dc Dual Changeover - 2906223
Tameson.com
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$190.95
Mustang Holley Dual Pump Module Relay Kit (11-17 Mustang GT, GT350, GT500)
American Muscle
1
$190.95
Mustang Holley Dual Pump Module Relay Kit (11-17 Mustang GT, GT350, GT500)
American Muscle
1
How to use 2 channel relay to control AC and DC loads in Arduino RJT34
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Shop dual relay module

Sponsored
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$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
14
$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
14
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.99
Electronics-Salon 1PCS Dual SPST-NO 10Amp Power Relay Module, AC/DC 5V Control Voltage.
Amazon.com
29
$14.99
Electronics-Salon 1PCS Dual SPST-NO 10Amp Power Relay Module, AC/DC 5V Control Voltage.
Amazon.com
29
$8.03
DC 5-36V Digital LED Relay Board Dual-MOS Cycle Timing Circuit Switch Timer Delay Module Turn On Off Relay Module
Amazon.com
$8.03
DC 5-36V Digital LED Relay Board Dual-MOS Cycle Timing Circuit Switch Timer Delay Module Turn On Off Relay Module
Amazon.com
$34.99
Aqara Dual Relay Module T2,Smart Relay Switch Dry Contact Mode For Garage Doors And Boilers,Light Switch Roller Shade Switch,Supports Homekit And
Amazon.com
81
$34.99
Aqara Dual Relay Module T2,Smart Relay Switch Dry Contact Mode For Garage Doors And Boilers,Light Switch Roller Shade Switch,Supports Homekit And
Amazon.com
81
$320.00
Allen-Bradley 440R-D22S2 Guardmaster Dual Input Safety Relay, A
PLCHardware.com
$320.00
Allen-Bradley 440R-D22S2 Guardmaster Dual Input Safety Relay, A
PLCHardware.com
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$9.99
2 Channel Relay Module - Progressive Automations
Progressive Automations
$9.99
2 Channel Relay Module - Progressive Automations
Progressive Automations
$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
$16.99
AITIAO 2Pcs DC 24V 20A Relay Module With Dual LED Digital Display Programmable Cycle Timer Switch ON-Off Control
Amazon.com
13
$16.99
AITIAO 2Pcs DC 24V 20A Relay Module With Dual LED Digital Display Programmable Cycle Timer Switch ON-Off Control
Amazon.com
13
$99.00
REC-Precharge Module V3.1 For Dual Latching Relay Systems
Off Grid and Marine Energy
$99.00
REC-Precharge Module V3.1 For Dual Latching Relay Systems
Off Grid and Marine Energy
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
367
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
367
$114.12
Yamaha - Relay Module Stbd 24V Dual Act - 6BT-50054-05-00
Parts Vu
$114.12
Yamaha - Relay Module Stbd 24V Dual Act - 6BT-50054-05-00
Parts Vu
$4.53
Two Channel 2-Way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
$4.53
Two Channel 2-Way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
$142.86
NOVUS 8811200101, Modbus IO Module Digirail Dual Relay Outputs
Selectum
$142.86
NOVUS 8811200101, Modbus IO Module Digirail Dual Relay Outputs
Selectum
$87.68
$95.15
INTELLITEC B.I.R.D.-D-2 2Amp 12V DC Bi-Directional Isolator Relay
Amazon.com
1
Free shipping
$87.68
$95.15
INTELLITEC B.I.R.D.-D-2 2Amp 12V DC Bi-Directional Isolator Relay
Amazon.com
1
$2.61
$7.71
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
66% off
$2.61
$7.71
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress

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