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P2 – WIFI Web Power Switch for MAINS – MPSM v.2 DevBoard – ESP8266

Summary of P2 – WIFI Web Power Switch for MAINS – MPSM v.2 DevBoard – ESP8266


The MPSMv2 is a compact ESP8266 development board featuring an integrated mains power switch and direct web interface access. Measuring approximately 25x50mm, it offers full pinout accessibility via two breadboard-friendly expansion slots for future projects. The board undergoes a mandatory 24-hour test before shipping to ensure reliability.

Parts used in the MPSMv2 DevBoard:

  • ESP8266 microcontroller
  • Mains Power Switch
  • Breadboard friendly expansion slots
  • PCB (Printed Circuit Board)

Because of the high interest in the subject, a new dedicated Dev Board has been born:  MPSMv2, a small ESP8266 DevBoard with integrated MAINS Power Switch!

Yes, it’s finally here, arrived safely from the PCB factory and you can see it below. I know a lot of you are waiting it already, but please be patient few more days. None of the already requested ones will leave the premises without a proper 24 hour test.

WIFI Web Power Switch for MAINS

For any new requests please feel free to use as usual: tech at esp8266-projects.com.
If you want for your own experiments to order CBD v2 EVO bare PCBs only, you can also do it directly at Dirty PCBs, our preferred PCB House:

Theory of operation remain the same so please take a look at the previous Article about MAINS Power Switch for deeper explanations.

I don’t know if this it’s the smallest MAINS Power Switch with integrated WIFI and direct Web interface access but if is not, it’s definitely closer to be at only around 25x50mm 🙂

As you can see from the PCB picture above you have even a full ESP8266 pinout access thru 2 breadboard friendly expansion slots for future projects development.

Finally,  the received result from the PCB Factory, a long awaited moment:

For More Details:  P2 – WIFI Web Power Switch for MAINS – MPSM v.2 DevBoard – ESP8266

Quick Solutions to Questions related to MPSMv2 DevBoard:

  • What is the size of the MPSMv2?
    The device measures around 25x50mm.
  • Does the board include a mains power switch?
    Yes, it features an integrated mains power switch.
  • Can I access all ESP8266 pins on this board?
    Yes, full pinout access is available through expansion slots.
  • How are new requests handled?
    New requests should be sent to tech at esp8266-projects.com.
  • Where can I order bare PCBs?
    Bare PCBs can be ordered directly at Dirty PCBs.
  • Is there a web interface included?
    Yes, it provides direct web interface access.
  • Do the boards undergo testing before shipping?
    Yes, every board requires a proper 24-hour test.
  • Are there expansion slots for future projects?
    Yes, there are two breadboard friendly expansion slots.

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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