5v 1 Channel Low Level Relay Module with Optocoupler

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5v 1 Channel Low Level Relay Module with Optocoupler. read more

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5v 1 Channel Low-Level Relay Module with Optocoupler.



  • Suitable for SCM development, home appliance control
  • Power and relay indication lights, bright when connected and off when disconnected
  • The 5V-12V TTL control signal can control DC/AC signal
  • Can control 220V AC load



  • VCC: Power interface, 5V
  • Trigger mode: Low-level trigger
  • GND: Ground
  • IN: Control interface. Drive Current at least 4mA
  • COM: Control circuit ground, Connect to GND
  • Size: approx. 41 x 16 x 16mm/ 1.61 x 0.62 x 0.62”



  • 1 x 5v 1 Channel Low Level Relay Module with Optocoupler

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We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.

The following shipping options available are listed below:

Australian Orders

  • Standard Shipping – Free (low cost / small products) – Sent via standard Australia Post stamped mail, 3 – 7 business days delivery depending on location, minimal tracking.
  • Standard Shipping – Free (higher cost / larger products) – Sent via Australia Post Parcel Service or Courier Service, depending on location and mailing address, 2 – 5 business days delivery, with full tracking.
  • Express Post – $12.00 (Cost may be higher depending on product size) – Sent via Australia Post Express Service, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Orders outside of metro orders can take 2+ days longer than the estimates stated above.

International Orders

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion.

International orders are shipped through Australia Post and Sendle courier service depending on the most economical at the time.

Pick Up
In-person pickup is currently not available. If the order is urgent, please contact us to see what can be arranged.

If you have any questions, please have a look at the customer service portal where you will find answers to many common questions, or you can reach out to us through the contact us page.

More Information

If you would like more information regarding placing international orders, please view the faq page under the “Do you accept international orders?” section.