Self-Switching Power Supply

Model: 300

Solderable DIY project kit for Engineering & Diploma students Worldwide

Do-It-Yourself Kit :

Includes complete hardware comprising of discrete components, modules, PCB, controller etc. and tested program code for building the project. Extensive documentation for project execution including step-by-step instructions for Circuit building, Assembly procedure and Troubleshooting. (Tool kit-Multimeter, Soldering iron and program burner not included in the kit)

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Embedded system requires a regulated power supply. This power supply circuit gives a variable regulated supply and switches off in no load condition.Through an arrangement of voltage regulator 7805 and a potentiometer the output voltage is varied from 3.7V to 8.7V. Another feature of this power supply is, when no load is there it automatically switches off. It is achieved through an arrangement of transistors and relay.


All-inclusive solution kit.

Extensive audio-visuals available.

Branding-free material.


Call/mail for Tech Support from 10 am – 7 pm.

Can be Customized for Arduino, Raspberry Pi, PIC


Hardware Requirements

  • Rectifier
  • Transformer
  • Resistors
  • Diodes
  • Regulator
  • 1N4007.

Software Requirements

  • None

Q & A

Buyer Feedback

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  1. Rated 4 out of 5

    Bharat badewale

    I got to know to about edgefx through google. I was searching for electronic project in google then i got edgefx website. I have decided to buy project from edgefx because there was cash on delivery that is why i purchased project from edgefx. I like most about edgefx kit is kit presentation. the kit was delivered in time with right components. the team has helped me in purchasing the project. i gave reference to my friend he has purchased the project.

  2. Rated 5 out of 5


    Could u please give me the documentation any body

  3. Rated 5 out of 5


    I had took the kit from Jahauri Infotech.I like the complete kit.Yes the delivery is on time with the right components.No suggestions.

  4. Rated 5 out of 5

    Sandon Seaman

    Yes the kit delivered on time.The technical support is good and I rate 4 out of 5.It’s ok while building the project I expected more.I recommend to the juniors.

  5. Rated 5 out of 5

    Sandon Seaman

    Yes the kit delivered on time with the right components. Edgfx technical support is good enough.It’s fine.