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Relay cards

A wide selection of relay cards and devices for your project.

Items in this category require component level assembly

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12 Item(s)

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  • 12 Channel IR Relay Kit with Remote Control image

    12 Channel IR Relay Kit with Remote Control

    This kit comprises a commercial 14-button remote control unit and a 12 channel relay board. All 12 relays are provided on the receiver board.


    Assembly Required! Learn More

    $89.95

    SKU:QK142

  • 8 Channel Remote Relay Kit image

    8 Channel Remote Relay Kit

    Use relay card as stand alone, addressed by switches or open collector outputs or remote controlled through RS232. Use with your Arduino or Raspberry Pi. Learn More
    $29.95

    SKU:K8056

  • 8 Channel USB Relay Card image

    8 Channel USB Relay Kit

    8 Channel USB Relay Kit


    Assembly Required. For the assembled module, order VM8090 Learn More

    $74.95

    SKU:K8090

  • velleman K8072 DMX Controlled Relay Switch Kit image

    DMX Controlled Relay Switch Kit

    This kit allows you to control a relay by means of the well-known DMX512 protocol. Learn More
    $28.95

    SKU:K8072

  • Dual HI/LO Switched Relay Kit image

    Dual HI/LO Switched Relay Kit

    Two PCB mounted relays based around a ULN2003A high voltage, high current relay driver. TTL compatible so the inputs can be connected to 5V. LO is 0-0.8VDC. HI is 2.4 - 12VDC. A HI or LO applied to the inputs will activate the relay. Learn More
    $12.95

    SKU:QK156

    Out of stock

  • Isolated serial Input/ Output Kit V3 image

    Isolated serial Input/ Output Kit V3

    This kit has been designed for remote control and sensing applications. The kit provides 8 Relay outputs and 4 optically isolated inputs. Easy to use text commands to control the device from any TTY program or write your own software. Learn More
    $84.95

    SKU:QK108

    Out of stock

  • Multifuction Relay Kit image

    Multifuction Relay Kit

    For K8006. Adjustable delay with relay output. 14 different functions. Learn More
    $12.95

    SKU:K8008

  • Multifunction Relay Kit image

    Multifunction Relay Kit

    This timer kit has 14 different functions including timers, switching, flashing, interval, random switching. Learn More
    $16.95

    SKU:K8015

  • PC Driver Relay Board Kit (RoHS) image

    PC Driver Relay Board Kit (RoHS)

    With this kit you can use your PC as a dedicated controller for lights, motors & other devices. Two complete software programs included to drive it. One for DOS and one for Windows 3.1 Plugs into any printer port, uses separate 12V supply for the relays.

    Download software here: http://store.qkits.com/assets/zip/qk74setup.zip" target=_blank Learn More

    $39.50

    SKU:QK74

  • Relay Board for 2 x 1A Minature Relay image

    Relay Board for 2 x 1A Minature Relay

    Relay kit for 2 1 Amp Minature Relays! Learn More
    $8.95

    SKU:QK45

    As low as: $8.05

  • Relay Card Kit image

    Relay Card Kit

    Four 3A relay outputs Learn More
    $19.35

    SKU:K2633

  • Universal Relay Kit with 16 Relays image

    Universal Relay Kit with 16 Relays

    The Universal Relay kit has 16 SPDT relays rated at 5 amps with 110 Volt supply on board. Learn More
    $109.95

    SKU:K6714-16

    Out of stock

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12 Item(s)

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