Laundry smart card system

We actually have a card system for laundry and we want to develop our own since our intention is to grow.

This is what we desire.

Chip in the card will only store card number, and last name

The card reader for every machine will have a display that shows the balance, and the last name of the user.

the reader will allow to check your balance without discounting money. So after showing the balance it has to perform a 3-down count, After that then give the start signal. (show again the new balance)

Balance is stored in the computer so a program will be in charge to do the balances updates.

The cards readers will be conected to the computer with the database

Can bus is desired for the card readers network

To add money to your balance the user have to go to the cashier desk with his card and handle the money. So we need a reader connected to the computer so we can do that.

The reader in the desk also has to show the balance so the user can see the old balance and the new balance

Assyncrounous serial port is desired to comunicate with the pc

It should be able to have network of an average of 60 machines.

We have a prototype of the software we are actually running. It can be provided to show you what are our needs.

Skills: Electronics, Mechatronics

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About the Employer:
( 0 reviews ) san luis potosi, Mexico

Project ID: #590914

16 freelancers are bidding on average $2600 for this job


Hello, we are a team of engineers and we are specializing in electronics devices. I suppose you need the combination of components available on the market and custom electronic devices (kind of "smart home" application More

$3000 USD in 30 days
(2 Reviews)

Hi, Our team is expertized in the designs of the embedded systems and its related software. We can handle this project and deliver an efficient solution according to your requirement. Regards, Geo

$3000 USD in 90 days
(6 Reviews)

We can do the smart card interface and can networking See PM for more details Somasundaram.I

$4000 USD in 60 days
(1 Review)

Hello. I have extensive experiance on embedded systems, mostly for POS and industrial machines. Please see PMB. Regards... Zeeshan A. Noorwala

$2500 USD in 20 days
(3 Reviews)

Hi, I have placed just a dummy bid, please see PM. B.R. Zoltan

$3000 USD in 15 days
(2 Reviews)

I am an Layout PCB Engineer located in Mexico with a very good experience in PCB design, shematics, Bill materials, gerber files. My refereces is products of consum and equipament audio,medical,supply power

$2200 USD in 45 days
(0 Reviews)

Sir, we are a team of embedded engineers and have experience in smart cards, C#, FPGAs and microcontrollers. We could accomplish your requirement through COTS.

$2000 USD in 30 days
(0 Reviews)

I have already made the similar project using RFID technology. I wish to to work.

$2100 USD in 30 days
(0 Reviews)

Hi, I have done a similar project in the past, only it was based on old 89C51 micro, and it was an RS485 network. See PM for details, Regards, Raimond

$3000 USD in 45 days
(0 Reviews)

Hello. I've already done similiar project. See please P.M.

$3000 USD in 30 days
(0 Reviews)

See details in MB.

$2750 USD in 30 days
(2 Reviews)

Dear Sir, Please view PMB for details. Thanks$Regards, SANDS TEAM.

$1950 USD in 30 days
(0 Reviews)

I have 7 years experience in electronics field and I can do this project.

$2000 USD in 30 days
(0 Reviews)

Hi, The requirement specified is simple and cozy,but would require lot of testing time. Development would require : Max 15 days but procurement of the hardware and assemble and testing would require more time as More

$2300 USD in 29 days
(0 Reviews)

please check your PM. we have done lots of projects in embedded systems related to smart cards. please check your PM.

$3000 USD in 20 days
(2 Reviews)

we have a team of experts in embedded system development, we are an indian company which provides quality products to our clients across the glob, we are confident about your project and we assure you the best quality More

$1800 USD in 60 days
(0 Reviews)