Shop DIY Programmable Relay Controller

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$77.14
USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
東京デバイセズ
$77.14
USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
東京デバイセズ
$46.29
RS232C Serial Relay Controller, 3 Form C , 6A 250VAC 28VDC Max., 24V Power
東京デバイセズ
$46.29
RS232C Serial Relay Controller, 3 Form C , 6A 250VAC 28VDC Max., 24V Power
東京デバイセズ
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$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
$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
210
$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
210
$27.00
USB Bus Powered, Relay Controller, 1 Contact Form C,10A 250V
東京デバイセズ
$27.00
USB Bus Powered, Relay Controller, 1 Contact Form C,10A 250V
東京デバイセズ
$15.99
RODOT Wireless Remote Switch 30A Relay With 328ft Long Range DC 12V/24V/48V/72V Switch For Anti-Theft Alarms, Security Systems Roller Lind Door,
Amazon.com
69
$15.99
RODOT Wireless Remote Switch 30A Relay With 328ft Long Range DC 12V/24V/48V/72V Switch For Anti-Theft Alarms, Security Systems Roller Lind Door,
Amazon.com
69
$13.99
Fainwan 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module Compatible With Ar-Duino
Amazon.com
3
$13.99
Fainwan 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module Compatible With Ar-Duino
Amazon.com
3
$199.95
J-Tech Digital 8-Button Control Panel Wall Plate With Programmable LED Buttons, RS-232, RS-458, Relay And IR Control (JTECH-P8)
Amazon.com
4
Free shipping
$199.95
J-Tech Digital 8-Button Control Panel Wall Plate With Programmable LED Buttons, RS-232, RS-458, Relay And IR Control (JTECH-P8)
Amazon.com
4
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
1K+
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
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$26.99
GUETNEU Relay 12V, Timer Relay Delay Off Trigger, Off Delay Timer With 10 Function Choices, Wide Voltage Multifunctional Relays For Electric
Amazon.com
28
$26.99
GUETNEU Relay 12V, Timer Relay Delay Off Trigger, Off Delay Timer With 10 Function Choices, Wide Voltage Multifunctional Relays For Electric
Amazon.com
28
$219.95
Rough Country 8-Gang RGB Backlit Switch Panel & Relay System - Universal Light & Off-Road Accessory Controller For Truck, Jeeps, UTV, 60A
Amazon.com
14
Free shipping
$219.95
Rough Country 8-Gang RGB Backlit Switch Panel & Relay System - Universal Light & Off-Road Accessory Controller For Truck, Jeeps, UTV, 60A
Amazon.com
14
$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
$20.99
6062 Multi-Function Timer (Compatible With Altronix 6062 Multi Function Timer), 12/24VDC Selectable, 1 Sec To 60 Min Adjustable Timing For Access
Amazon.com
$20.99
6062 Multi-Function Timer (Compatible With Altronix 6062 Multi Function Timer), 12/24VDC Selectable, 1 Sec To 60 Min Adjustable Timing For Access
Amazon.com
$339.99
Wireless Relay For HVAC Systems, Zuomeng 24VAC IO Wireless Control With 1380ft Lora Range, 3 Channel Control For AC Heat Pump Boiler, Easy DIY
Amazon.com
Free shipping
$339.99
Wireless Relay For HVAC Systems, Zuomeng 24VAC IO Wireless Control With 1380ft Lora Range, 3 Channel Control For AC Heat Pump Boiler, Easy DIY
Amazon.com
Free shipping
$5,964.06
SNAP Millitorr Automated Vacuum Controller | Up To 10 Programmable Recipes | 50 Millitorr To 750 Torr Control - External Sensorsdpp","External Valve Add-Onno
The Digivac Company
$5,964.06
SNAP Millitorr Automated Vacuum Controller | Up To 10 Programmable Recipes | 50 Millitorr To 750 Torr Control - External Sensorsdpp","External Valve Add-Onno
The Digivac Company
$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
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$25.99
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay,984FT(300M) Long Range Wireless RF ON/Off Switch For Anti-Theft Alarms,Lighting,Golf,
Amazon.com
44
$25.99
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay,984FT(300M) Long Range Wireless RF ON/Off Switch For Anti-Theft Alarms,Lighting,Golf,
Amazon.com
44
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1K+
Free shipping
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1K+
$54.99
Orbit 57009 2 HP Irrigation Pump Start Relay For Sprinkler Controllers
Amazon.com
439
Free shipping
$54.99
Orbit 57009 2 HP Irrigation Pump Start Relay For Sprinkler Controllers
Amazon.com
439
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
133
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
133
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
11
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
11
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$4.41
$6.79
PWM Relay Switch 5V Receiver 20A Electronic Controller Module DIY Model Universal On-Off For FPV RC
Aliexpress
Free shipping
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$4.41
$6.79
PWM Relay Switch 5V Receiver 20A Electronic Controller Module DIY Model Universal On-Off For FPV RC
Aliexpress
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$28.65
$56.87
4 Channel 433Mhz Wifi Relay Switch Module Smart Control Relay Module AC 85V250V/Micro USB 5V
Aliexpress
Free shipping
49% off
$28.65
$56.87
4 Channel 433Mhz Wifi Relay Switch Module Smart Control Relay Module AC 85V250V/Micro USB 5V
Aliexpress
Free shipping
$17.40
Forward And Reverse Relay Module For Motor/Linear Actuator, Reversing Relay Module (DC 24V)
Amazon.com
538
$17.40
Forward And Reverse Relay Module For Motor/Linear Actuator, Reversing Relay Module (DC 24V)
Amazon.com
538
$0.80
$0.92
NE555 DC 5V 12V Time Delay Relay DIY Timer Switch Controller Integrated Test Button Module Board
Aliexpress
13% off
$0.80
$0.92
NE555 DC 5V 12V Time Delay Relay DIY Timer Switch Controller Integrated Test Button Module Board
Aliexpress
$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
$2.56
5V 12V 24V USB Relay Control Switch 1 2 4 8 Channel Programmable Computer Control For Smart Home PC
Aliexpress
Free shipping
$2.56
5V 12V 24V USB Relay Control Switch 1 2 4 8 Channel Programmable Computer Control For Smart Home PC
Aliexpress
Free shipping

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Shop DIY Programmable Relay Controller

Sponsored
About our ads
$77.14
USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
東京デバイセズ
$77.14
USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
東京デバイセズ
$46.29
RS232C Serial Relay Controller, 3 Form C , 6A 250VAC 28VDC Max., 24V Power
東京デバイセズ
$46.29
RS232C Serial Relay Controller, 3 Form C , 6A 250VAC 28VDC Max., 24V Power
東京デバイセズ
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$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
$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
210
$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
210
$27.00
USB Bus Powered, Relay Controller, 1 Contact Form C,10A 250V
東京デバイセズ
$27.00
USB Bus Powered, Relay Controller, 1 Contact Form C,10A 250V
東京デバイセズ
$15.99
RODOT Wireless Remote Switch 30A Relay With 328ft Long Range DC 12V/24V/48V/72V Switch For Anti-Theft Alarms, Security Systems Roller Lind Door,
Amazon.com
69
$15.99
RODOT Wireless Remote Switch 30A Relay With 328ft Long Range DC 12V/24V/48V/72V Switch For Anti-Theft Alarms, Security Systems Roller Lind Door,
Amazon.com
69
$13.99
Fainwan 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module Compatible With Ar-Duino
Amazon.com
3
$13.99
Fainwan 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module Compatible With Ar-Duino
Amazon.com
3
$199.95
J-Tech Digital 8-Button Control Panel Wall Plate With Programmable LED Buttons, RS-232, RS-458, Relay And IR Control (JTECH-P8)
Amazon.com
4
Free shipping
$199.95
J-Tech Digital 8-Button Control Panel Wall Plate With Programmable LED Buttons, RS-232, RS-458, Relay And IR Control (JTECH-P8)
Amazon.com
4
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
1K+
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
1K+
$26.99
GUETNEU Relay 12V, Timer Relay Delay Off Trigger, Off Delay Timer With 10 Function Choices, Wide Voltage Multifunctional Relays For Electric
Amazon.com
28
$26.99
GUETNEU Relay 12V, Timer Relay Delay Off Trigger, Off Delay Timer With 10 Function Choices, Wide Voltage Multifunctional Relays For Electric
Amazon.com
28
$219.95
Rough Country 8-Gang RGB Backlit Switch Panel & Relay System - Universal Light & Off-Road Accessory Controller For Truck, Jeeps, UTV, 60A
Amazon.com
14
Free shipping
$219.95
Rough Country 8-Gang RGB Backlit Switch Panel & Relay System - Universal Light & Off-Road Accessory Controller For Truck, Jeeps, UTV, 60A
Amazon.com
14
$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
$20.99
6062 Multi-Function Timer (Compatible With Altronix 6062 Multi Function Timer), 12/24VDC Selectable, 1 Sec To 60 Min Adjustable Timing For Access
Amazon.com
$20.99
6062 Multi-Function Timer (Compatible With Altronix 6062 Multi Function Timer), 12/24VDC Selectable, 1 Sec To 60 Min Adjustable Timing For Access
Amazon.com
$339.99
Wireless Relay For HVAC Systems, Zuomeng 24VAC IO Wireless Control With 1380ft Lora Range, 3 Channel Control For AC Heat Pump Boiler, Easy DIY
Amazon.com
Free shipping
$339.99
Wireless Relay For HVAC Systems, Zuomeng 24VAC IO Wireless Control With 1380ft Lora Range, 3 Channel Control For AC Heat Pump Boiler, Easy DIY
Amazon.com
Free shipping
$5,964.06
SNAP Millitorr Automated Vacuum Controller | Up To 10 Programmable Recipes | 50 Millitorr To 750 Torr Control - External Sensorsdpp","External Valve Add-Onno
The Digivac Company
$5,964.06
SNAP Millitorr Automated Vacuum Controller | Up To 10 Programmable Recipes | 50 Millitorr To 750 Torr Control - External Sensorsdpp","External Valve Add-Onno
The Digivac Company
$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
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$25.99
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay,984FT(300M) Long Range Wireless RF ON/Off Switch For Anti-Theft Alarms,Lighting,Golf,
Amazon.com
44
$25.99
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay,984FT(300M) Long Range Wireless RF ON/Off Switch For Anti-Theft Alarms,Lighting,Golf,
Amazon.com
44