Open Source Hardware

Shop Relay Modules and Sensors in SainSmart.

2 of 14 products

  • 8-channel 12V USB Relay Module

    8-channel 12V USB Relay Module

    8-channel 12V USB Relay Module

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    $29.99
    -Liquid error (snippets/price line 93): divided by 0 $29.99
  • 4-channel 5V USB Relay Module

    4-channel 5V USB Relay Module

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    4-channel 5V USB Relay Module

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    $14.99
    -25% $19.99 $14.99
    Save $5.00
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