Shop 1 channel relay module

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$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
75
$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
75
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
357
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
357
$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
80
$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
80
$13.04
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
$13.04
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
$6.39
EC Buying 2Pcs 24V Relay Module 1-Channel 30A With Optocoupler Isolation Relay Module High And Low Level Trigger
Amazon.com
$6.39
EC Buying 2Pcs 24V Relay Module 1-Channel 30A With Optocoupler Isolation Relay Module High And Low Level Trigger
Amazon.com
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
$4.99
Yetaida 3V 1-Channel Multi-Mode Delay Timer Relay Module With Optocoupler For Home Automation, Industrial Control, DIY Projects
Amazon.com
$4.99
Yetaida 3V 1-Channel Multi-Mode Delay Timer Relay Module With Optocoupler For Home Automation, Industrial Control, DIY Projects
Amazon.com
$38.14
$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
33
Free shipping
30% off
$38.14
$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
33
$5.59
MECCANIXITY 1 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 10A High Or Low Level Trigger For Electronics Industrial Home Automation
Amazon.com
$5.59
MECCANIXITY 1 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 10A High Or Low Level Trigger For Electronics Industrial Home Automation
Amazon.com
$7.99
DIANN 2Pcs 5V 30A 1-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$7.99
DIANN 2Pcs 5V 30A 1-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$8.59
JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
Amazon.com
$8.59
JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
Amazon.com
$54.99
KTX-464659 24V 1 Channel Relay Module For Arduino With High Load Capacity And Isolation Features 2025 Model
Latomart.com
$54.99
KTX-464659 24V 1 Channel Relay Module For Arduino With High Load Capacity And Isolation Features 2025 Model
Latomart.com
$7.99
EC Buying 2Pcs XL9535-K1V5 Relay Control Module 1-Channel Expandable Relay Board IIC 5V Communication Optocoupler Isolation
Amazon.com
$7.99
EC Buying 2Pcs XL9535-K1V5 Relay Control Module 1-Channel Expandable Relay Board IIC 5V Communication Optocoupler Isolation
Amazon.com
$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
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
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    Shop 1 channel relay module

    Sponsored
    About our ads
    $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
    75
    $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
    75
    $5.89
    Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
    Amazon.com
    357
    $5.89
    Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
    Amazon.com
    357
    $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
    80
    $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
    80
    $13.04
    $14.39
    RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
    Amazon.com
    $13.04
    $14.39
    RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
    Amazon.com
    $6.39
    EC Buying 2Pcs 24V Relay Module 1-Channel 30A With Optocoupler Isolation Relay Module High And Low Level Trigger
    Amazon.com
    $6.39
    EC Buying 2Pcs 24V Relay Module 1-Channel 30A With Optocoupler Isolation Relay Module High And Low Level Trigger
    Amazon.com
    $9.93
    JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
    Amazon.com
    $9.93
    JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
    Amazon.com
    $4.99
    Yetaida 3V 1-Channel Multi-Mode Delay Timer Relay Module With Optocoupler For Home Automation, Industrial Control, DIY Projects
    Amazon.com
    $4.99
    Yetaida 3V 1-Channel Multi-Mode Delay Timer Relay Module With Optocoupler For Home Automation, Industrial Control, DIY Projects
    Amazon.com
    $38.14
    $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
    33
    Free shipping
    30% off
    $38.14
    $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
    33
    $5.59
    MECCANIXITY 1 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 10A High Or Low Level Trigger For Electronics Industrial Home Automation
    Amazon.com
    $5.59
    MECCANIXITY 1 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 10A High Or Low Level Trigger For Electronics Industrial Home Automation
    Amazon.com
    $7.99
    DIANN 2Pcs 5V 30A 1-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
    Amazon.com
    $7.99
    DIANN 2Pcs 5V 30A 1-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
    Amazon.com
    $8.59
    JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
    Amazon.com
    $8.59
    JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
    Amazon.com
    $54.99
    KTX-464659 24V 1 Channel Relay Module For Arduino With High Load Capacity And Isolation Features 2025 Model
    Latomart.com
    $54.99
    KTX-464659 24V 1 Channel Relay Module For Arduino With High Load Capacity And Isolation Features 2025 Model
    Latomart.com
    $7.99
    EC Buying 2Pcs XL9535-K1V5 Relay Control Module 1-Channel Expandable Relay Board IIC 5V Communication Optocoupler Isolation
    Amazon.com
    $7.99
    EC Buying 2Pcs XL9535-K1V5 Relay Control Module 1-Channel Expandable Relay Board IIC 5V Communication Optocoupler Isolation
    Amazon.com
    $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
    $2.99
    1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
    Evalm
    $2.99
    1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
    Evalm