USB-RLY02 - 2 Channel USB Relay Module , da Devantech a € 25,99 su Robot Italy
2 Channel USB Relay Module | Numato Lab Help Center
KMtronic USB Relay Controller One Channel PCB
USB 8 Relay Manager - Denkovi A E LTD
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USB Eight Channel Relay Board for Automation
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Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
USB 16 Channel Relay Module - RS232 Controlled
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USB relay control, eight channels, bundle, ELECTRONIC-SOFTWARE-SHOP
KMTronic USB 2 Relay Controller, RS232 Serial controlled, BOX, DIN rail | eBay
micro usb relay controller module board DC 5v 2 channel with indicator PC Upper Computer ICSE014A Software Control usb interface|Replacement Parts & Accessories| - AliExpress
AltonaLab SCADA Licence + Numato 2 Channel USB Relay
Free Drive/usb Control Switch 1channel 5v Relay Module Computer Control Switch Pc Intelligent Control For Arduino - Integrated Circuits - AliExpress
USB 8 Relay Manager - Denkovi A E LTD
