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Create JS module to implement CRC-16/BUYPASS algorithm

I need a JS module / library which should include specific functions that I can import and call in a React app.

The module should implement a CRC-16/BUYPASS protocol, and should respect a specific operation flow.

The module / algorithm is used as an interface between a software point of sale application and a hardware point of sale device. The full protocol description document will be provided.

We need the following functions implemented to be able to send and receive information, to and from the hardware device:

- Get information

- Sale

- Void

- Settlement

- Send offline transactions

- Report Initialization

- Report Record

I've included some screenshots from the protocol document (protocol description, message flow and expected output).

Beceriler: JavaScript

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İşveren Hakkında:
( 0 değerlendirme ) Turda, Romania

Proje NO: #31874770

Bu iş için 21 freelancer ortalamada $1186 teklif veriyor

(24 Değerlendirme)
7.4
crtvecode

Hello I am an experienced React developer, Please check my LinkedIn recommendations ([login to view URL]) to know more about me. Please check my client's recent fee Daha Fazla

$999 USD in 10 gün içinde
(45 Değerlendirme)
6.4
andreyyukhim

Dear Hiring manager! I breath code and that's it. I believe I am one you are looking for, I have a lot of experience with Javascript, Reactjs I am a talented and proffesional web. I am a hard worker, details oriented, Daha Fazla

$1300 USD in 7 gün içinde
(11 Değerlendirme)
5.5
(7 Değerlendirme)
6.2
l060448

Hi, I have 6+ years of experience in application development. I have integrated various hardware with JavaScript through a middleware app that is hosted on the actual machine like windows etc. As far as I know its not Daha Fazla

$1500 USD in 15 gün içinde
(6 Değerlendirme)
5.1
divumanocha

JAVASCRIPT EXPERT Hi, Greetings! I read the job details and got a good idea but still want to clarify a few things. I prefer to get connected over personal chat or call to exchange our thoughts. I am a developer w Daha Fazla

$1300 USD in 12 gün içinde
(10 Değerlendirme)
5.0
harunnizam

Hi. How are you? I am a JavaScript developer with good experience in React app development. So I have just checked 3 attached screenshots and requirements very carefully. As a experienced React developer, I know how to Daha Fazla

$1300 USD in 7 gün içinde
(14 Değerlendirme)
4.8
devstart1234

Hi, We are a team and have checked your requirement "Create JS module to implement CRC-16/BUYPASS algorithm" We are ready to sign NDA, If required. Websites: [login to view URL] https://boutiqueeducatio Daha Fazla

$750 USD in 10 gün içinde
(31 Değerlendirme)
5.7
(1 Yorum)
4.7
(2 Değerlendirme)
4.8
IvanLomakin

Dear sir. Thanks for chance to give me opportunity to bid on this project. I have just checked your project details very carefully. As a senior Web developer, I have rich experience with Laravel, Codeigniter, Core PHP Daha Fazla

$1300 USD in 7 gün içinde
(6 Değerlendirme)
4.4
Cybersify

Hi there, I can build a js monule and i have very good experience. Please ping me to connect to discuss furthem..

$750 USD in 7 gün içinde
(11 Değerlendirme)
4.0
(2 Değerlendirme)
2.8
JuanFelipe119

Hi Clinet, I'm very interested in your project. It's chance for me to show my all skills and superiority of your service. Before working, I have some questions. Let's discuss more detail about your requirement. I've FU Daha Fazla

$1150 USD in 7 gün içinde
(2 Değerlendirme)
2.5
vrusungu

PHD IN SOFTWARE DEVELOPMENT AND ARCHITECTURE. EXPERT IN ABOVE NAMED SKILLS. HELLO DEAR CLIENT! Thank you for sharing your project details, I have read and understood them. Am interested in your project and I would lik Daha Fazla

$1300 USD in 7 gün içinde
(1 Yorum)
1.6
Ilnurtoxic

Hi! Dear Client. I have checked your project "Create JS module to implement CRC-16/BUYPASS algorithm". I have rich experience in website development and I have done a lot of projects perpectly. I am an expert developer Daha Fazla

$1200 USD in 7 gün içinde
(1 Yorum)
1.8
abbassdamani

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$1000 USD in 21 gün içinde
(0 Değerlendirme)
0.0
AndreiSokolov

==== Here is Expert of JavaScript, CRC-16/BYPASS etc ==== Dear client, I am Andrei, experienced web expert from Russia. I've read your requirement carefully and I can implement CRC-16/BYPASS. I have strong skills in Ja Daha Fazla

$999 USD in 2 gün içinde
(0 Değerlendirme)
0.0
tirovaavika

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$999 USD in 7 gün içinde
(0 Değerlendirme)
0.0
devroma

Hello, Dear I`ve read your requirement and I can complete your project perfectly in a short time. I`ve great experience in this field - CRC-16/BUYPASS protocol. And I`ve deep knowledge in JavaScript library. I can imp Daha Fazla

$950 USD in 7 gün içinde
(0 Değerlendirme)
0.0