Relay Boards With I/O :: 8 Channel USB Relay Board W/ISO Input Port and DC Power Terminal Block
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USB Eight Channel Relay Board for Automation
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USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
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13 Build your own USB devices-Ideen | arduino, linux, pinwand
Relay Boards With I/O :: 8 Channel USB Relay Board W/ISO Input Port and DC Power Terminal Block
Simplibox io - USB relay set
USB to 8 Optically Isolated Inputs/8 Reed Relay Digital Interface - Sealevel
Pin on Build your own USB devices
USB Eight Channel Relay Board for Automation
USB Eight Channel Relay Board for Automation
USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
USB Relays with Analog Inputs and GPIO from NCD - ncd.io
