Relay Module 2 Channel USB to CH340 Serial Control Relay Module Optocoupler Protection TYPEC Interface Module DSTUR-T20
Relay Module 2 Channel USB to CH340 Serial Control Relay Module Optocoupler Protection TYPEC Interface Module DSTUR-T20
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Relay Module 2 Channel USB to CH340 Serial Control Relay Module Optocoupler Protection TYPEC Interface Module DSTUR-T20

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Key item features

  • 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
  • 2. USB serial port control relay, newly upgraded and advanced version, with new optocoupler protection circuit to prevent interference and high-speed transmission
  • 1. USB serial port control relay, serial port control, , overcurrent protection

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Current price is $16.21
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Sold and shipped by CQ Decor
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Extended holiday returns
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Shipping, arrives by Tue, Oct 27 to Columbus, 43215
Sold and shipped by MerryHanna
Extended holiday returns
Free Holiday returns until Jan 31