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A little script for reading RS 485 in Node.js

$30-250 USD

Closed
Posted over 7 years ago

$30-250 USD

Paid on delivery
The little project is for reading RS 485 devices of solar energy inverters. I need it to be done in nodejs, and i provide datasheet as attachment to this project. and you could use this node module [login to view URL] to accomplish it. The device of solar energy inverter used to be using Modbus protocol, i have no problem with that for another brands of inverters. But a new brand of inverter we use, it only use pure serial port communication. The function of parameters are device port, baudrate and the function return statistics. plz leave any comments if you have any question.
Project ID: 12495105

About the project

10 proposals
Remote project
Active 7 yrs ago

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10 freelancers are bidding on average $189 USD for this job
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hello. I'm Alvin Tan. I'm very glad to meet this project. Your job is very interesting for me. I'm node js expert and have knowledge in depth of RS485. So i can complete this project. Thank you very much.
$147 USD in 3 days
4.8 (89 reviews)
6.4
6.4
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Hello, This is not copy/paste message. I read your requirements. I am interested for this job. I have expertise in Wordpress, Laravel, Magento, AngularJS, Ruby on Rails, Core PHP etc. technologies and can work on task and complete within deadline. I have good experience in PHP/Ruby Programming with JavaScript, jQuery, SQL and I can achieve your task. I can provide you 40 hrs/ week productive work for 1 resource and I have predefined process which can easily understandable by clients. I will directly in your contact and I will also do Chat / Audio call with you daily, so that there will not be any communication gap. Also if you will face any productivity issue, our resource will come during weekend and finish the work. Also I will daily send you progress report and will also available online, so that you can contact him whenever you want. So overall you will not face any communication gap between you and our resource. It will be my pleasure to work with you. You can go through my portfolio. I am new in freelancer but I have more then $30k official work in other freelancing site with 5/5 ratings which I can show you. Please send me message, so that I can converse further about this task. Best Regards, Mehul Javia
$155 USD in 3 days
5.0 (6 reviews)
4.3
4.3
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I have good development experience in building Node.JS applications. I should be able to deliver the product as per your requirements.
$83 USD in 5 days
0.0 (0 reviews)
0.0
0.0
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I'm a Software Engineer with 3 years of experience. Currently, I am working with Nodejs. I have worked with Grovvy on grails & Python. I like GNU/Linux, Ubuntu, open source philosophy, knowledge sharing, finding innovative solutions, continuous improvement, building better software. I am also a co-author of a basic Book based on Django Framework. Github - GIT I have been working with GIT from day 1, be it branching, merging conflicts or even cherry picking. plus I have internal understanding of hoe git works. ( my git work ) NodeJS - working on it full time for 1 year. I know very basic of nodejs event loop, callback hell and how to use promises to resolve them, how much useful async library is and why stream are the life savers in nodejs. MongoDB - I have been working on mongo from 3 years full time, creating models, writing query optimizing them, writing aggrigation. using robomongo to explore. also wrote complete system to take scheduled backups.
$155 USD in 3 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of TAIWAN
Taipei, Taiwan
5.0
3
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Member since Jul 22, 2015

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