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Relay Module

Electronic Store > Electronic Components & Supplies > Module Board > Relay Module

Showing all 44 results

  • -18%
    01Studio 3.3V Relay Module Pyboard MicroPython Programming Learning Development Board

    Relay Module

    01Studio 3.3V Relay Module Pyboard MicroPython Programming Learning Development Board
    $6.67 Original price was: $6.67.$5.47Current price is: $5.47. Add to cart
  • -25%
    1 Channel DC5V Solid State Relay Module AC240V 2A Low Level Trigger Relay Board Relais Module

    Relay Module

    1 Channel DC5V Solid State Relay Module AC240V 2A Low Level Trigger Relay Board Relais Module
    $4.73 Original price was: $4.73.$3.56Current price is: $3.56. Add to cart
  • -12%
    1 Channel Relay Module 30A with Optocoupler Isolation 5V Supports High and Low Trigger

    Relay Module

    1 Channel Relay Module 30A with Optocoupler Isolation 5V Supports High and Low Trigger
    $3.37 Original price was: $3.37.$2.95Current price is: $2.95. Add to cart
  • -33%
    1/2/4/6/8/16 Relay Module 8 Channel with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger 5/12/24V

    Relay Module

    1/2/4/6/8/16 Relay Module 8 Channel with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger 5/12/24V
    $1.23 – $5.15 Select options This product has multiple variants. The options may be chosen on the product page
  • -21%
    10pcs YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Emergency Converter

    Relay Module

    10pcs YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Emergency Converter
    $54.55 Original price was: $54.55.$43.29Current price is: $43.29. Add to cart
  • -21%
    12V 30A One Channel Relay Module with Optocoupler Isolation Support High and Low Level Trigger

    Relay Module

    12V 30A One Channel Relay Module with Optocoupler Isolation Support High and Low Level Trigger
    $4.08 Original price was: $4.08.$3.22Current price is: $3.22. Add to cart
  • -32%
    20Pcs 5V Relay 1 Channel Module One Channel Relay Expansion Module Board

    Relay Module

    20Pcs 5V Relay 1 Channel Module One Channel Relay Expansion Module Board
    $40.22 Original price was: $40.22.$27.36Current price is: $27.36. Add to cart
  • -32%
    2pcs 5V 4 Channel Relay Module For PIC ARM DSP AVR MSP430 Blue Geekcreit for Arduino - Products that work with official for Arduino boards

    Relay Module

    2pcs 5V 4 Channel Relay Module For PIC ARM DSP AVR MSP430 Blue Geekcreit for Arduino – Products that work with official for Arduino boards
    $26.34 Original price was: $26.34.$17.80Current price is: $17.80. Add to cart
  • -12%
    30A 12V 24V DC Motor Controller Relay Board Forward Reverse Control Limit Start Stop Switch for Garage Door Crane Elevator

    Relay Module

    30A 12V 24V DC Motor Controller Relay Board Forward Reverse Control Limit Start Stop Switch for Garage Door Crane Elevator
    $8.87 – $9.11 Select options This product has multiple variants. The options may be chosen on the product page
  • -32%
    30Pcs 5V Relay 1 Channel Module One Channel Relay Expansion Module Board

    Relay Module

    30Pcs 5V Relay 1 Channel Module One Channel Relay Expansion Module Board
    $55.11 Original price was: $55.11.$37.49Current price is: $37.49. Add to cart
  • -9%
    3Pcs SONOFF RE5V1C Relay Module 5V WiFi DIY Switch Dry Contact Output Inching/Selflock Working Modes APP/Voice/LAN Control for Smart Home

    Relay Module

    3Pcs SONOFF RE5V1C Relay Module 5V WiFi DIY Switch Dry Contact Output Inching/Selflock Working Modes APP/Voice/LAN Control for Smart Home
    $24.98 Original price was: $24.98.$22.71Current price is: $22.71. Add to cart
  • -29%
    3pcs YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Emergency Converter

    Relay Module

    3pcs YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Emergency Converter
    $26.92 Original price was: $26.92.$19.10Current price is: $19.10. Add to cart
  • -25%
    40Pcs 5V Relay 1 Channel Module One Channel Relay Expansion Module Board

    Relay Module

    40Pcs 5V Relay 1 Channel Module One Channel Relay Expansion Module Board
    $79.57 Original price was: $79.57.$59.83Current price is: $59.83. Add to cart
  • -22%
    5Pcs SONOFF RE5V1C Relay Module 5V WiFi DIY Switch Dry Contact Output Inching/Selflock Working Modes APP/Voice/LAN Control for Smart Home

    Relay Module

    5Pcs SONOFF RE5V1C Relay Module 5V WiFi DIY Switch Dry Contact Output Inching/Selflock Working Modes APP/Voice/LAN Control for Smart Home
    $45.10 Original price was: $45.10.$35.24Current price is: $35.24. Add to cart
  • -24%
    5pcs YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Emergency Converter

    Relay Module

    5pcs YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Emergency Converter
    $32.59 Original price was: $32.59.$24.69Current price is: $24.69. Add to cart
  • -29%
    5V 12V 24V Single Button Bistable Switch Bi-stable Relay Module Car Modification Switch One-button Start-stop Self-locking Relay Module Board

    Relay Module

    5V 12V 24V Single Button Bistable Switch Bi-stable Relay Module Car Modification Switch One-button Start-stop Self-locking Relay Module Board
    $3.01 – $3.39 Select options This product has multiple variants. The options may be chosen on the product page
  • -21%
    5V 6V 9V 12V Motor Forward and Reverse Delay Module Time Delay Relay Adjustable DPDT Relay Reverse Polarity Module

    Relay Module

    5V 6V 9V 12V Motor Forward and Reverse Delay Module Time Delay Relay Adjustable DPDT Relay Reverse Polarity Module
    $6.69 Original price was: $6.69.$5.27Current price is: $5.27. Add to cart
  • -31%
    5V Relay 2 Channel SSR Low Level Solid State Relay Module 250V 2A with Fuse

    Relay Module

    5V Relay 2 Channel SSR Low Level Solid State Relay Module 250V 2A with Fuse
    $5.47 Original price was: $5.47.$3.80Current price is: $3.80. Add to cart
  • -17%
    5V Time Control Switch Intermittent Infinite Loop Countdown Switch Controller Timing Relay Module

    Relay Module

    5V Time Control Switch Intermittent Infinite Loop Countdown Switch Controller Timing Relay Module
    $5.27 Original price was: $5.27.$4.35Current price is: $4.35. Add to cart
  • -14%
    AC110V-220V Digital Display Time Relay Automation Delay Timer Control Switch Relay Module

    Relay Module

    AC110V-220V Digital Display Time Relay Automation Delay Timer Control Switch Relay Module
    $6.36 Original price was: $6.36.$5.44Current price is: $5.44. Add to cart
  • -29%
    AMROD08 8RO Relay Output Module/RS485 MODBUS RTU Communication Module Board

    Relay Module

    AMROD08 8RO Relay Output Module/RS485 MODBUS RTU Communication Module Board
    $42.39 Original price was: $42.39.$30.07Current price is: $30.07. Add to cart
  • -23%
    AOQDQDQD 12V Relay Module with Single-Key Dual Stable State Self-Locking and MCU Control for Automation and Control Systems

    Relay Module

    AOQDQDQD 12V Relay Module with Single-Key Dual Stable State Self-Locking and MCU Control for Automation and Control Systems
    $4.78 Original price was: $4.78.$3.68Current price is: $3.68. Add to cart
  • -17%
    AOQDQDQD 5V 2-Channel Relay Module with Optocoupler Protection and Expansion Board for Home Automation and DIY Projects

    Relay Module

    AOQDQDQD 5V 2-Channel Relay Module with Optocoupler Protection and Expansion Board for Home Automation and DIY Projects
    $2.39 Original price was: $2.39.$1.99Current price is: $1.99. Add to cart
  • -24%
    AOQDQDQD 5V/12V Time Control Switch with Intermittent Infinite Loop Countdown and Timing Relay Module

    Relay Module

    AOQDQDQD 5V/12V Time Control Switch with Intermittent Infinite Loop Countdown and Timing Relay Module
    $4.55 – $4.87 Select options This product has multiple variants. The options may be chosen on the product page
  • -10%
    AOQDQDQD HCW-03 12V Relay Module with Infinite Cycle/Single Time/Delay Dual Adjustable/Multifunctional Relay Module/Delay Circuit Module

    Relay Module

    AOQDQDQD HCW-03 12V Relay Module with Infinite Cycle/Single Time/Delay Dual Adjustable/Multifunctional Relay Module/Delay Circuit Module
    $4.18 Original price was: $4.18.$3.77Current price is: $3.77. Add to cart
  • -29%
    Bistable Relay Module 5V 12V Single Button Relay Module One Key Car Modification Start-Stop Self locking Car Modification Switch

    Relay Module

    Bistable Relay Module 5V 12V Single Button Relay Module One Key Car Modification Start-Stop Self locking Car Modification Switch
    $3.87 Original price was: $3.87.$2.73Current price is: $2.73. Add to cart
  • -32%
    DC 12V 1-8Ch Optically Isolated NPN Input Relay Output DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board

    Relay Module

    DC 12V 1-8Ch Optically Isolated NPN Input Relay Output DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board
    $9.18 – $22.48 Select options This product has multiple variants. The options may be chosen on the product page
  • -24%
    DC 12V 2 Channel RS232 Relay Module Board Remote Control USB PC UART COM Serial Ports for Smart Home

    Relay Module

    DC 12V 2 Channel RS232 Relay Module Board Remote Control USB PC UART COM Serial Ports for Smart Home
    $11.73 Original price was: $11.73.$8.95Current price is: $8.95. Add to cart
  • -30%
    DC 12V 24V LED Digital Relay Switch Control Board Module Relay Module Voltage Detection Charging Discharge Monitor Test Module Board

    Relay Module

    DC 12V 24V LED Digital Relay Switch Control Board Module Relay Module Voltage Detection Charging Discharge Monitor Test Module Board
    $5.31 – $5.35 Select options This product has multiple variants. The options may be chosen on the product page
  • -24%
    EACHEN ST-DC4 WiFi 4-way Relay Module Inching Momentary/Self-Locking/Interlock Switch Module Works with Amazon Alexa

    Relay Module

    EACHEN ST-DC4 WiFi 4-way Relay Module Inching Momentary/Self-Locking/Interlock Switch Module Works with Amazon Alexa
    $13.79 – $18.19 Select options This product has multiple variants. The options may be chosen on the product page
  • -24%
    EACHEN WiFi 2-way Relay Module Self-Locking/Interlock Switch Module Works with Amazon Alexa Google Home

    Relay Module

    EACHEN WiFi 2-way Relay Module Self-Locking/Interlock Switch Module Works with Amazon Alexa Google Home
    $12.64 – $12.75 Select options This product has multiple variants. The options may be chosen on the product page
  • -30%
    FRM01 12V 1 Channel Multifunction Relay Module Loop Delay Timer Switch Self-Locking PLC Cycle Timer Module Delay Time Switch

    Relay Module

    FRM01 12V 1 Channel Multifunction Relay Module Loop Delay Timer Switch Self-Locking PLC Cycle Timer Module Delay Time Switch
    $24.80 Original price was: $24.80.$17.35Current price is: $17.35. Add to cart
  • -29%
    FRM01 DC5/12/24V 1 Channel Multifunction Relay Module Loop Delay Timer Switch Self-Locking Timing Board

    Relay Module

    FRM01 DC5/12/24V 1 Channel Multifunction Relay Module Loop Delay Timer Switch Self-Locking Timing Board
    $5.65 – $7.10 Select options This product has multiple variants. The options may be chosen on the product page
  • -22%
    LILYGO T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board WIFI Bluetooth With Optocoupler Isolation For Arduino

    Relay Module

    LILYGO T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board WIFI Bluetooth With Optocoupler Isolation For Arduino
    $25.29 – $36.11 Select options This product has multiple variants. The options may be chosen on the product page
  • -30%
    LILYGO T-Relay-S3 ESP32-S3 6-Way 6CH Relay Development Board ESP32-S3-WROOM-1U Wireless Module WiFi Bluetooth Expandable LCD Display

    Relay Module

    LILYGO T-Relay-S3 ESP32-S3 6-Way 6CH Relay Development Board ESP32-S3-WROOM-1U Wireless Module WiFi Bluetooth Expandable LCD Display
    $30.15 – $39.19 Select options This product has multiple variants. The options may be chosen on the product page
  • -33%
    Low Level 5V 1/2/4/8 Channel Solid State Relay Module SSR G3MB-202P 240V 2A Output with Resistive Fuse for Arduino

    Relay Module

    Low Level 5V 1/2/4/8 Channel Solid State Relay Module SSR G3MB-202P 240V 2A Output with Resistive Fuse for Arduino
    $2.61 – $12.86 Select options This product has multiple variants. The options may be chosen on the product page
  • -33%
    M5Stack 2 Channels SPST Relay for AC/DC Signal Switching Digital Equipment Power on and Off with LED Indicator

    Relay Module

    M5Stack 2 Channels SPST Relay for AC/DC Signal Switching Digital Equipment Power on and Off with LED Indicator
    $16.67 Original price was: $16.67.$11.19Current price is: $11.19. Add to cart
  • -24%
    R4D7G04 20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and Voltage Collection

    Relay Module

    R4D7G04 20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and Voltage Collection
    $15.88 – $18.27 Select options This product has multiple variants. The options may be chosen on the product page
  • -22%
    SONOFF RE5V1C Relay Module 5V WiFi DIY Switch Dry Contact Output Inching/Selflock Working Modes APP/Voice/LAN Control for Smart Home

    Relay Module

    SONOFF RE5V1C Relay Module 5V WiFi DIY Switch Dry Contact Output Inching/Selflock Working Modes APP/Voice/LAN Control for Smart Home
    $9.89 Original price was: $9.89.$7.67Current price is: $7.67. Add to cart
  • -25%
    SSR -25DD/ 40DD DC Control DC SSR White Shell Single Phase Solid State Relay

    Relay Module

    SSR -25DD/ 40DD DC Control DC SSR White Shell Single Phase Solid State Relay
    $4.87 – $4.98 Select options This product has multiple variants. The options may be chosen on the product page
  • -31%
    T2401-O T2401-N DC 12V Dual LED Display Time Relay Module Digital Time Delay Relay Cycle Timer Switch Control Module Active/Passive Output

    Relay Module

    T2401-O T2401-N DC 12V Dual LED Display Time Relay Module Digital Time Delay Relay Cycle Timer Switch Control Module Active/Passive Output
    $3.68 – $4.22 Select options This product has multiple variants. The options may be chosen on the product page
  • -29%
    WiFi Relay Module with ESP8266 ESP-01S WIFI Module Relay Remote Control Switch 5V Timer Wifi Relay

    Relay Module

    WiFi Relay Module with ESP8266 ESP-01S WIFI Module Relay Remote Control Switch 5V Timer Wifi Relay
    $2.77 – $3.74 Select options This product has multiple variants. The options may be chosen on the product page
  • -15%
    with TVS protected DC 12V 8Ch RS485 Relay Module Modbus RTU 03 06 16 Function Code DIN Shell Switch Board

    Relay Module

    with TVS protected DC 12V 8Ch RS485 Relay Module Modbus RTU 03 06 16 Function Code DIN Shell Switch Board
    $38.73 Original price was: $38.73.$33.11Current price is: $33.11. Add to cart
  • -33%
    YYE-1 5V/12V/24V RS232 Serial Port Control Relay Module MCU MAX232 USB Control Switch Board

    Relay Module

    YYE-1 5V/12V/24V RS232 Serial Port Control Relay Module MCU MAX232 USB Control Switch Board
    $12.74 Original price was: $12.74.$8.49Current price is: $8.49. Select options This product has multiple variants. The options may be chosen on the product page

Showing all 44 results

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