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
Current price is $14.98
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Arrives between Jul 24 - Jul 31
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Sold and shipped by MerryHanna
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$16.62
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Shipping, arrives by Thu, Jul 23 to Columbus, 43215
Sold and shipped by CQ Decor
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