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Mobile Charging Vending Machine

Low Cost Mobile Charging Unit

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5 Contributions Made
1 Milestones
Electronics
Commercial
Ideation
TEAM LEADERS
Mohammed ShahiEngineer
Josh Pinkley
Suria Sarathengineer
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STORY

Project Overview

Hello Everyone,I have designed a prototype to charge your mobile phone for particular amount of time by inserting a coin. It can be used in the places like railway stations, bus terminals, shopping malls and tourist spots. Our system recognizes the valid coin through a coin acceptor and sends the signal to a micro-controller. Upon recognizing a valid coin ,a digital pulse is triggered and a reverse countdown of timer will be initiated. It displays the remaining time for charging the mobile. Even if a coin is inserted in the middle it continuous to charge with added time. I have designed it in such a way that it adds one minute for one rupee coin and five minutes for five rupees coin respectively.

I believe this product can make a commercial success if it is taken to the next level and I am here for all your support to take my prototype to a decent product.

PROS:

  • Easy to design.
  • It can be operated by anone.
  • No complicated circuits.
  • Possible to provide 24*7 support.

CONS:

  • It can be damaged (A camera can be attached for security purpose in such cases)

BLOCK DIAGRAM:

CIRCUIT DIAGRAM:

HERE IS MY PROTOTYPE,

That is all the work I have done till date on the vending machine. You can sum up your queries & suggestions at the comment section.
I am waiting!!

How To Receive Resume Credit

You can help me with,

  • Finding solutions to reduce cost.
  • Help with PCB design
  • Find me a best controller for this product ( low cost, reliable and efficient)
  • Attracting casing solutions

Teammates & Contributors I’m Looking For

  • PCB Designers
  • Taking the product to a commercial success
  • Good and attractive low cost casing (Also, a 3D design for the casing)

Where I Need the Most Help

To find the casing for this product . Any help would be gladly appreciated.

Why Sponsor This Project?

  • My intention is to give out a low cost product.
  • Every commercially successful product was once an idea and a prototype. Contributors will be giving life to this product which would otherwise vanish in the race of a demanding life.

Why I’m Passionate About This Project

I have made a lot of prototypes in the last three years and I have come to find this as an interesting one.

Supporting Material & Info

*AVR MICROCONTROLLER (ATMEGA16)
*COIN ACCEPTOR (FLIPKART,EBAY ETC.)
*LCD SCREEN
*RELAY
*CHARGING CABLES
*FEW WIRES

FUTURE WORK:

If I could successfully accomplish this task, I am looking forward to add additional WI-FI option with this vending machine (Like getting a WI-FI for five minutes in case of urgency). Thanks for reading.

UPDATES:

Following several discussions @Josh Pinkley redesigned the circuit as follows:

He also helped me to accomplish the PCB design and i am ready to print!!

To take the prototype to an active product i have designed 3d models as follows:

These are the updates till now and we are ready to fabricate now …I will further update on this project once if i take the print of PCB design…

EXPECTATION:
*Need more contributors and active participants.
*Students who wish to learn.
*Of course FUNDING for this project.

I also personally thank @Suria Sarath and @Harsha for their efforts as well…


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