Relay Module 4 Channel USB to CH340 Serial Control Relay Module Optocoupler Protection TYPE-C Interface Module DSTUR-T40
Relay Module 4 Channel USB to CH340 Serial Control Relay Module Optocoupler Protection TYPE-C Interface Module DSTUR-T40
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Relay Module 4 Channel USB to CH340 Serial Control Relay Module Optocoupler Protection TYPE-C Interface Module DSTUR-T40

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Key item features

  • 1. USB serial port control relay, serial port control, , overcurrent protection
  • 2. USB serial port control relay, newly upgraded and advanced version, with new optocoupler protection circuit to prevent interference and high-speed transmission
  • 3. The output terminal of the relay can be regarded as an electronic switch, controlling the on and off of the circuit. There is actually no voltage output at the load end of the module.
  • 4. When there is no voltage in the relay coil, the relay does not pull in, and the common terminal (COM) is connected to the normally closed terminal (NC). When there is voltage, the relay pulls in, and the common terminal (COM) is connected to the normally open terminal (NO).
  • 5. USB serial port control relay

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Current price is $16.59
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  • Free shipping
  • Free Holiday returns until Jan 31

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Arrives between Oct 23 - Oct 27
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Sold and shipped by MS Co. Ltd
4.123134328358209 out of 5 stars
4.1 stars out of 5, based on 268 seller reviews(4.1)
Extended holiday returns
Free Holiday returns until Jan 31
Other sellers
$21.38
+Free shipping
Shipping, arrives by Mon, Oct 26 to Columbus, 43215
Sold and shipped by Zone Technology Shop
Extended holiday returns
Free Holiday returns until Jan 31