| Brand | eletechsup |
|---|---|
| Type | Relay |
| Model | TB351 |
Check the listing for details. 1PCS 2 Channel Serial port Relay Module DC 12V PC Computer Remote Control Switc. Condition: New. Listed at 8.88 USD. Relay open (issue this command ，Relay open, COM connect to NO ）. Relay close (issue this command ，Relay close, COM disconnect NO, and COM connect to NC ）. 1 x DC 12V 2Ch RS232 Relay Board Relay toggle（Relay status reversal，if COM connect to NO，this commands will Disconnect COM to NO and Reverse COM connect to NC，and vice versa）. ).
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