RS232 Serial Relay Module, 2CH, DB9 Interface, Remote Control, Expanded IO Ports
RS232 Serial Relay Module, 2CH, DB9 Interface, Remote Control, Expanded IO Ports
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RS232 Serial Relay Module, 2CH, DB9 Interface, Remote Control, Expanded IO Ports

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Key item features

  • Simple operation, most serial commands are single-byte commands.
  • With capacitor filter circuit, which has improved stability.
  • Onboard 2 relay, which can be accessed extended 2-way relay module.
  • Two-channel relay, plus two expansion IO ports, low-level output.
  • Built to meet standard specification, strictly follow factory quality control.
Current price is $14.82
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