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  1. Showing 1 - 36 out of 179 results for "serial to module relay"
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      2 Channel Serial Port Control Relay Module RS232 Opto Relay Board With For TO
      2 Channel Serial Port Control Relay …
      E
      ebay.com.au
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      Generic DB9 Relay Board Female Interface RS232 Relay Module Serial Port Relay
      Generic DB9 Relay Board Female I…
      E
      ebay.com.au
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      RS232/RS485 Serial Port Controls The 32-Channel Relay Module To Control The Switch Board And IO
      SALE
      RS232/RS485 Serial Port Controls …
      $43.00
      A
      Aliexpress
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      Hobbyant 2-Channel USB Serial Relay Module, 5V USB To Serial Relay (Compatible With Windows 10 And Above)
      Hobbyant 2-Channel USB Serial Rel…
      I
      ibspot
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      R223C16 16-Channel Relay Board DB9 Relay Module Female Interface Serial Port Smart Module For Parallel Industrial Electronics
      R223C16 16-Channel Relay Board …
      A
      Amazon.com
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      Single/Dual-Channel Serial Port Control Delay Relay Module, Microcontroller Control
      Single/Dual-Channel Serial Port Co…
      U
      Ubuy Global
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      8 Channel RS232 Relay Module P…
      U
      USA_AliEx
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      Taidacent 16 Channel Relay Board …
      A
      Amazon.com
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      Jeanoko R223C16 16-Channel Rela…
      I
      ibspot
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      JESSINIE USB Serial Port Control …
      I
      ibspot
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      2Ch Rs232 Relay Board Dc 12V 24…
      A
      Aliexpress
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      2 Channel DC Relay Module Serial …
      A
      Amazon.com
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      Fafeicy 2 Channel Serial Port Relay …
      I
      ibspot
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      5V 12V 24V 8Ch RS232 IO Control …
      A
      Aliexpress
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      DC 12V R223C16 16-Channel Rela…
      A
      Amazon.com
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      Jeanoko RS232 DB9 Female Interfa…
      I
      ibspot
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      RS232 Relay Board DC 12V 16 Cha…
      A
      Amazon.com
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      1-2CH DC 12V 24V Micro Size 3A …
      A
      Aliexpress
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      DC 12V RS232 Serial Port Delay R…
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      Alexnld.com
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      2 Channel Relay Switch Module Ser…
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      Everymarket INC
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      LCUS-16 Type 16 Channel USB Rel…
      $8.30
      A
      Aliexpress
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      4 Channel Relay Module, Send Seri…
      $43.99
      T
      The Retail Market
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      Jessinie Usb Serial Port Control Rel…
      E
      Electroeshop
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      SALE
      Dc 5V 12V 4-Channel Rs232 Serial …
      $60.17
      C
      cartnear
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      3 in 1 Serial Serve/Ethernet/RS485 …
      A
      Aliexpress
      delivery truckFree shipping
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      Taidacent 12V 24V RS485 RS232 S…
      A
      Alibaba B2B
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      8-Way Electromagnetic Relay Modu…
      A
      Alibaba B2B
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      12V DC 2Ch RS485 Modbus RTU R…
      A
      Aliexpress
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      1 Channel 5V Relay Module Switch …
      A
      Alibaba B2B
      delivery truckFree shipping
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      2 Channel RS232 Relay Board DC …
      A
      Amazon.com
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      DC 12V Relay Module, RS232 Interf…
      A
      Amazon.com
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      16 Channel Serial Relay Module RS…
      A
      Alibaba.com
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      DC 5V 12V 2 Channel RS232 Seria…
      A
      Amazon.com
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      1-Way Relay Module Group Intellige…
      A
      Alibaba.com
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      Walfront DC 12V 1 Channel RS232 …
      I
      ibspot
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      Relay Module 2 Channel DC 12V 67…
      A
      Amazon.com
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