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Solderable DIY project kit for Engineering & Diploma students

Product of choice for Engineering & Diploma students worldwide.

Do-It-Yourself Kit

Rs. 5,199

Rs. 3,536

Includes complete hardware with plain PCB and a pre-programmed controller for building the project. Extensive documentation for project execution including step-by-step instructions for Circuit building, Assembly procedure and Troubleshooting. Thorough understanding from the Problem definition to Circuit Design to Programming, Testing, Troubleshooting and finally building a working hardware project.

Tool Kit


Rs. 350

Includes Digital Multimeter, Soldering Iron, Screw driver, Cutter, to be used with Do-It-Yourself Kit to build the project.

Loaded and Tested PCB


Rs. 1,699

Rs. 1,360

Pre-soldered and tested PCB. Choose this option only if you are short on time. Only works along with the Do-It-Yourself Kit. (Can be purchased later)

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The project is designed to control a circuit breaker with help of a password only. A keypad is connected to the project to enter the password. Fatal electrical accidents to the line man are increasing during the electric line repair due to the lack of communication and co-ordination between the maintenance staff and the electric substation staff.

This proposed system provides a solution, which can ensure the safety of the maintenance staff e.g. line man. The control to turn ON/OFF the line lies with the line man only. This system has an arrangement such that a password is required to operate the circuit breaker (ON/OFF). Line man can turn off the supply and comfortably repair it, and return to the substation, then turn on the line by entering the correct password.

The system is fully controlled by a microcontroller from 8051 family. A matrix keypad is interfaced to the microcontroller to enter the password. The entered password is compared with the password stored in the ROM of the microcontroller. If the password entered is correct, then only the line can be turned ON/OFF. Activation / deactivation of the circuit breaker is indicated by a lamp (ON/OFF).

Further the project can be enhanced by using an EEPROM for user to change the password for a more secured system. It can also be interfaced with a GSM modem for remotely controlling the electronic circuit breaker via SMS.

Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
Call/mail for Tech Support from 10 am - 7 pm.
Can be Customized for Arduino, Raspberry Pi, PIC
Password Based Circuit Breaker
Hardware Requirements
  • 8051 series Microcontroller
  • Relay Driver IC
  • Relays
  • Matrix Keypad
  • Crystal
  • Resistors
  • Capacitors
  • Diodes
  • LED
  • Transformer
  • Voltage Regulator
  • Lamps
Software Requirements
  • Keil compiler
  • Language:Embedded C or Assembly
Q & A
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
Q:  What is password based circuit breaker?
A:  It is a safe & secure circuit breaker which will operate through a secure password
Q:  Where is this kind of circuit breaker used?
A:  In maintenance of electrical lines, Lineman can turn off the supply and comfortably repair it, return to the substation and turn on the line by entering the secure password
Q:  Can I replace lamps with any other load?
A:  Yes, any electrical load with wattage up to 200W can be used.
Average Rating
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Showing 4 of 17 reviews Show All
sudeep upadhyay, BANGALORE on 24th May, 2017, 11:48 AM

I got to know about edgefx through google. I was searching my project title in google that Password Based Circuit Breaker in google then i got to know about edgefx.
I have decided to purchase project from edgefx because i found my project title in edgefx that why i have purchased project from edgefx.
kit was delivered in time with right components.
Customer support helped me in purchasing the project.
Provide more and more advanced projects.
I want to give reference to my friends.

Rani Welukar, yavatmal on 19th January, 2016, 02:23 PM

it's good. sir, please send me programming of this project.

Mahesh Vangaveeti, HYDERABAD on 7th November, 2015, 07:25 PM

Many of my friends,staff suggests me to buy project at edgefx.And i am looking for password breaking projects.
I like the sample documentations,abstract,youtube video etc.
purchase it through online.
satisfied with edgefx for your great service

Saurabh singh, Lucknow on 20th July, 2015, 05:26 PM

I came to know about Edgefx through my senior. I directly typed Edgefx kits in Google.I decided to buy a kit from Edgefx by the words of my senior. And I like the complete kit.Yes the kit delivered on time with the right components.No Improvements required.

Rating Breakdown (17 Reviews)

Tool kit cannot be purchased individually.


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