Shop relay control module

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$10.59
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
$10.59
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$17.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$17.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$19.74
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$19.74
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
$7.19
250V/10A 1 Channel SPDT Power Relay Module 5V Control For DIY PIC AVR DSP ARM MCU
Amazon.com
Free shipping
$7.19
250V/10A 1 Channel SPDT Power Relay Module 5V Control For DIY PIC AVR DSP ARM MCU
Amazon.com
$14.36
$30.55
2 Channel DC 5V Relay Module Low Level Trigger With Optocoupler Isolation Smart Home Control Board
AliExpress
Free shipping
52% off
$14.36
$30.55
2 Channel DC 5V Relay Module Low Level Trigger With Optocoupler Isolation Smart Home Control Board
AliExpress
$14.82
$54.99
5Pcs 4-Channel 5V Relay Module With Optocoupler, Low-Level Trigger, PLC Microcontroller Control Board Sensor Module
Temu US
73% off
$14.82
$54.99
5Pcs 4-Channel 5V Relay Module With Optocoupler, Low-Level Trigger, PLC Microcontroller Control Board Sensor Module
Temu US
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$31.98
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Matilda Co
$31.98
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Matilda Co
$9.99
AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
Amazon.com
$9.99
AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
Amazon.com
$46.99
Notifier FRM-1 - Control Relay Module
Amazon.com
12
Free shipping
$46.99
Notifier FRM-1 - Control Relay Module
Amazon.com
$8.35
Taidda USB Relay Module, Sturdy Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Control Chip
Amazon.com
$8.35
Taidda USB Relay Module, Sturdy Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Control Chip
Amazon.com
$13.05
$21.23
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
38% off
$13.05
$21.23
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
433
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
$3.42
$7.33
1/2/4/8 Channel SSR Solid State Relay Module G3MB-202P, 5V Control 240V 2A Output With Resistive
AliExpress
Free shipping
53% off
$3.42
$7.33
1/2/4/8 Channel SSR Solid State Relay Module G3MB-202P, 5V Control 240V 2A Output With Resistive
AliExpress
$1.99
$3.42
1 Channel 30A Relay Module 5V/12V/24V High And Low Level PLC Automation Control Intelligence
Aliexpress
41% off
$1.99
$3.42
1 Channel 30A Relay Module 5V/12V/24V High And Low Level PLC Automation Control Intelligence
Aliexpress
$25.24
8Pcs 1-Channel Electromagnetic Relay Module With Optocoupler Isolation, Low-Level Trigger, PLC Control Driver Board, 3V 5V 12V 24V Sensor Module
Temu US
$25.24
8Pcs 1-Channel Electromagnetic Relay Module With Optocoupler Isolation, Low-Level Trigger, PLC Control Driver Board, 3V 5V 12V 24V Sensor Module
Temu US
$82.33
16 Way Touch Relay Board, Wireless Connection Control,Multi Ways Touch Relay Module
Aliexpress
Free shipping
$82.33
16 Way Touch Relay Board, Wireless Connection Control,Multi Ways Touch Relay Module
Aliexpress
$103.95
MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
$103.95
MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
$234.37
Pump Relay Board - 2 Or 6 Stations - Triggers Integrated
Citimarine
$234.37
Pump Relay Board - 2 Or 6 Stations - Triggers Integrated
Citimarine
$159.57
SDC CR4 Four Station Control Relay Module With Auto-Sensing Dual Voltage
ZenSupply
$159.57
SDC CR4 Four Station Control Relay Module With Auto-Sensing Dual Voltage
ZenSupply
$15.99
PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay
Crutchfield
$15.99
PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay
Crutchfield
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Shop relay control module

Sponsored
About our ads
$46.99
Notifier FRM-1 - Control Relay Module
Amazon.com
12
Free shipping
$46.99
Notifier FRM-1 - Control Relay Module
Amazon.com
$8.35
Taidda USB Relay Module, Sturdy Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Control Chip
Amazon.com
$8.35
Taidda USB Relay Module, Sturdy Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Control Chip
Amazon.com
$13.05
$21.23
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
38% off
$13.05
$21.23
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
433
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
$3.42
$7.33
1/2/4/8 Channel SSR Solid State Relay Module G3MB-202P, 5V Control 240V 2A Output With Resistive
AliExpress
Free shipping
53% off
$3.42
$7.33
1/2/4/8 Channel SSR Solid State Relay Module G3MB-202P, 5V Control 240V 2A Output With Resistive
AliExpress
$1.99
$3.42
1 Channel 30A Relay Module 5V/12V/24V High And Low Level PLC Automation Control Intelligence
Aliexpress
41% off
$1.99
$3.42
1 Channel 30A Relay Module 5V/12V/24V High And Low Level PLC Automation Control Intelligence
Aliexpress
$25.24
8Pcs 1-Channel Electromagnetic Relay Module With Optocoupler Isolation, Low-Level Trigger, PLC Control Driver Board, 3V 5V 12V 24V Sensor Module
Temu US
$25.24
8Pcs 1-Channel Electromagnetic Relay Module With Optocoupler Isolation, Low-Level Trigger, PLC Control Driver Board, 3V 5V 12V 24V Sensor Module
Temu US
$82.33
16 Way Touch Relay Board, Wireless Connection Control,Multi Ways Touch Relay Module
Aliexpress
Free shipping
$82.33
16 Way Touch Relay Board, Wireless Connection Control,Multi Ways Touch Relay Module
Aliexpress
$103.95
MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
$103.95
MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
$234.37
Pump Relay Board - 2 Or 6 Stations - Triggers Integrated
Citimarine
$234.37
Pump Relay Board - 2 Or 6 Stations - Triggers Integrated
Citimarine
$159.57
SDC CR4 Four Station Control Relay Module With Auto-Sensing Dual Voltage
ZenSupply
$159.57
SDC CR4 Four Station Control Relay Module With Auto-Sensing Dual Voltage
ZenSupply
$15.99
PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay
Crutchfield
$15.99
PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay
Crutchfield

Shop relay control module

Sponsored
About our ads
$10.59
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
$10.59
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$17.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$17.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$19.74
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$19.74
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
$7.19
250V/10A 1 Channel SPDT Power Relay Module 5V Control For DIY PIC AVR DSP ARM MCU
Amazon.com
Free shipping
$7.19
250V/10A 1 Channel SPDT Power Relay Module 5V Control For DIY PIC AVR DSP ARM MCU
Amazon.com
$14.36
$30.55
2 Channel DC 5V Relay Module Low Level Trigger With Optocoupler Isolation Smart Home Control Board
AliExpress
Free shipping
52% off
$14.36
$30.55
2 Channel DC 5V Relay Module Low Level Trigger With Optocoupler Isolation Smart Home Control Board
AliExpress
$14.82
$54.99
5Pcs 4-Channel 5V Relay Module With Optocoupler, Low-Level Trigger, PLC Microcontroller Control Board Sensor Module
Temu US
73% off
$14.82
$54.99
5Pcs 4-Channel 5V Relay Module With Optocoupler, Low-Level Trigger, PLC Microcontroller Control Board Sensor Module
Temu US
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$31.98
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Matilda Co
$31.98
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Matilda Co
$9.99
AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
Amazon.com
$9.99
AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
Amazon.com
$46.99
Notifier FRM-1 - Control Relay Module
Amazon.com
12
Free shipping
$46.99
Notifier FRM-1 - Control Relay Module
Amazon.com
$8.35
Taidda USB Relay Module, Sturdy Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Control Chip
Amazon.com
$8.35
Taidda USB Relay Module, Sturdy Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Control Chip
Amazon.com
$13.05
$21.23
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
38% off
$13.05
$21.23
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
433
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
$3.42
$7.33
1/2/4/8 Channel SSR Solid State Relay Module G3MB-202P, 5V Control 240V 2A Output With Resistive
AliExpress
Free shipping
53% off
$3.42
$7.33
1/2/4/8 Channel SSR Solid State Relay Module G3MB-202P, 5V Control 240V 2A Output With Resistive
AliExpress
$1.99
$3.42
1 Channel 30A Relay Module 5V/12V/24V High And Low Level PLC Automation Control Intelligence
Aliexpress
41% off
$1.99
$3.42
1 Channel 30A Relay Module 5V/12V/24V High And Low Level PLC Automation Control Intelligence
Aliexpress