Build a program to send and receive ASCII to M2M via secure portal

$250-750 AUD

Closed

Posted

about 8 years ago

$250-750 AUD

Paid on delivery

The program will reside on a web server (raspberry pi initially). The program will allow the user to send and receive queries to the remote equipment via a M2M terminal. These commands will have a certain packet format eg. A?PQLV. And will need to look up commands from a table to interpret the message (payload) and its meaning or intent. The physical connection is via serial cable RS232 or RS485 to the remote transceiver, then over the network and to the service provider secure gateway. The gateway can handle the messages through https and will distribute the incoming and outgoing stream in XML. The program may need to be revised and or modified in the future to accommodate the varying manufacturers and upgrades of the remote equipment (ie. look up table modifications, packet format changes). This is a technical brief, and I am open to other design suggestions.

PHP

Software Architecture

XML

Project ID: 9949906

About the project

10 proposals

Remote project

Active 8 yrs ago

Looking to make some money?

Email address

Benefits of bidding on Freelancer

Set your budget and timeframe

Get paid for your work

Outline your proposal

It's free to sign up and bid on jobs

10 freelancers are bidding on average $683 AUD for this job

@prashushinde9

Hello, I understood the initial scope of this project. Although i want to discuss further this job in order to prepare the final concept for this project.

$882 AUD in 20 days

4.8

(45 reviews)

6.8

@Shopify

I want to discuss this project with you further, let me know the best suitable time for you to schedule the meeting, Feel free to message me at any time, i used to be online 14 hrs in a day on this website so probably you will get a quick response from my end.

$882 AUD in 20 days

5.0

(10 reviews)

5.9

@AwaisChaudhry

Hi there! I have read what you exactly need, however I would like to ask you a few questions. I would call myself a master of what I do, I do work smart and do not rest until I get the job done. Please feel free to ping me anytime so we can have a detailed discussion. If I can deliver I will deliver in best possible way. Thanks

$588 AUD in 10 days

5.0

(18 reviews)

5.7

@narendragautam

Hi, I have raspberry pi 2 board. let me know if you want to work with me. thanks narendra ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

$631 AUD in 15 days

4.9

(7 reviews)

4.0

@dfrmex

HI, I can help you, Please contact me for details, David Computer Science 30+ years C/Unix-HP-UX-Solaris-AIX/Linux programmer, performance +10 years embedded Linux (openwrt/raspberry/odroid) & Arduino. Oracle OVM admin Unix/Linux Kernel support & dev Python dev. Uni* scripting TCP/IP dev. mysql/mariadb/sql adm&dev NFS (admin & rpc programming) XML

$555 AUD in 10 days

5.0

(4 reviews)

2.4

@electronicproyec

Hello, there are several techniques to communicate with the machine, I am developer of electronic prototypes, I used raspberry Pi, I implement a Python script to do the that role, we are speaking.

$600 AUD in 14 days