Vendings receive payment (Triple-E or Computer Engineering)

Mbyllur Postuar 5 vite mё parё Paguhet në dorëzim
Mbyllur Paguhet në dorëzim

I would need to link up

Hardware

1. Touch Screen Display

2. Bill Acceptor

3. Thermal printer

4. Raspberry Pi

5. MDB to USB converter (for bill acceptor)

6. Numeric keypad

7. Harness

Firmware/ Front Programming

1. MDB USB module

2. Standalone app/ interface for raspberry pi

3. GUI for the standalone app

Flows

1. User use touch screen and key in unit number @ homepage.

2. Check internet connection with external URL

3. Request to retrieve data from server backend.

4. Server return data, display unit outstanding amount.

5. User insert cash into bill acceptor

6. Raspberry Pi validate the outstanding amount with bill acceptor.

7. Thermal printer generate receipt

8. Raspberry Pi communicate with backend server (HTTP POST JSON), store in backend DB. (If connection failed, etc no internet, will store the data in local DB, to be sync when online)

9. Standalone app returns to homepage.

We will be taking care of the backend, while i need your help to linkup the front end, and make it running. (Or you have better advice on using different hardware/ firmware)

PS: you will be signing a non disclosure agreement (NDA) before we working together, thanks

Inxhinieri Elektrike Elektronikë Inxhinieri Vizatim teknik Raspberry Pi

ID Projekti: #17771311

Rreth projektit

5 propozimet Projekti në distancë Aktiv 5 vite mё parё

5 profesionistë freelancer dërguan një ofertë mesatare prej $541 për këtë punë

hayat38402

hi brother How are you doing We have gained good experience in this field and we can provide you Good quality work within your timeline and budget Kindly send me a message so that we can start a discussion thanks

$555 USD për 10 ditë
(64 Përshtypje)
6.1
ranganathp

FREELANCER RECOMMENDED ------------------------------------------------------ Can help... I am an Expert in developing Raspi solutions... Lets Start! Please start a Discussion with me and we can get started from the Më shumë

$555 USD për 10 ditë
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5.0
isurutech

Dear Sir, I would like to present myself as prospective candidate to do your project. I have sound knowledge in Electronic and Computer programming. I have knowledge in designing of Analogue and Digital electronic ci Më shumë

$666 USD për 10 ditë
(6 Përshtypje)
4.0
MarkGalon

Dear Sir, I am interested on this project and I want to share my expertise with you in this project. I am an electronics engineer and IT programmer with over 15 years of experience. I do design of embedded systems and Më shumë

$430 USD për 5 ditë
(0 Përshtypje)
0.6