Freelancer modbus protocol gsm jobs

Filter

My recent searches
Filter by:
Budget
to
to
to
Skills
Languages
    Job State
    8,987 freelancer modbus protocol gsm jobs found, pricing in USD

    GSM is the most wide spread mobile communications system in the world. However the security of the GSM voice traffic is not guaranteed especially over the core network. It is highly desirable to have end-to-end secure communications over the GSM voice channel. In order to achieve end-to-end security, speech must be encrypted before it enters the GSM

    $150 (Avg Bid)
    $150 Avg Bid
    3 bids

    Please only bid if you are from the same domain. Its a research job so please highly experienced freelancers only. Its very important project

    $117 (Avg Bid)
    $117 Avg Bid
    7 bids

    ...JSON data. One API gives us the store list and another one gives us printers data for each store. The printers data contains printers DNS. These DNS does not respond to HTTP protocol. But these DNS respond when we ping them from terminal or command prompt using ping. Now we have to create the front-end using Angular and JavaScript. The important thing

    $41 (Avg Bid)
    $41 Avg Bid
    9 bids

    ...The current hardware based on Raspberry Pi CM3L are working well, we need add drivers and hardware for USB WiFi/Bluetooth (RTL8723BU) and in a near future, we need to add USB GSM/GPS If anybody can create drivers for above requirements it will be great. Kindly message me with your portfolio. ...

    $200 (Avg Bid)
    $200 Avg Bid
    4 bids

    create a website to access gmail inbox and send mails through gmail, but using our application server.

    $12 / hr (Avg Bid)
    $12 / hr Avg Bid
    4 bids

    Child Protection (non government organisation) seeking experienced and professional content writer to write/develop child protection protocols for the organisation. Experience in child protection policy writing essential.

    $4441 (Avg Bid)
    $4441 Avg Bid
    30 bids

    we want to configure and integrate vicidial with odoo, we have aws server. we also have gsm gateway to make local calls with cell phone carrier we also need voip carrier to make international calls

    $383 (Avg Bid)
    $383 Avg Bid
    14 bids

    The system should use Codesys and inform the status for the user if 5 machines are running or not. If machine stop to run the user may be able to define 7 ...Create a small database and define efficiency and occupancy of each machine everyday. Can use Arduino or Raspberry pi or both. Cannot use serial communication. Desired Ethernet, Modbus or TCP/IP.

    $267 (Avg Bid)
    $267 Avg Bid
    26 bids

    We would like to work on a library to access Energy Meter data via IrDa or RS-232 channels. It would be preferred to develop the library to operate on ARM-based microcontrollers.

    $1004 (Avg Bid)
    $1004 Avg Bid
    9 bids

    We are developing a Web application. We need that we can receive information in our database from the controllers. Need further development, or consultation Working together with the developer Consultation Send Source Code System serviceability Receiving data from the PLC

    $538 (Avg Bid)
    $538 Avg Bid
    16 bids
    MAC protocol in NS3 3 days left
    VERIFIED

    MAC protocol using NS3 for wireless network

    $654 (Avg Bid)
    $654 Avg Bid
    8 bids
    Embedded programmer job 2 days left
    VERIFIED

    We are looking for a Embedded ...the following sections: 1) Capacitive Touch Screen (7 Inch) - Will communicate with the main PCBA through (RS485) modbus protocol. 2) Servo (3Nos) / Stepper Motors (7Nos) - Will communicate with main PCBA through (RS485) modbus protocol. 3) Wifi (ESP) Contact us if you are well versed with the firmware development.

    $246 (Avg Bid)
    $246 Avg Bid
    13 bids

    ...technology, we can now find the precise location of our young ones who love to hide under sheets, sofa, bed or in a different room for that matter.... -tracking technology: GPS , GSM , Bluetooth, wifi ,3G,4G etc. -should be able to work with Android, Windows & iPhone -Built-in SOS button to send location in emergency -it should be ready to track location

    $3071 (Avg Bid)
    $3071 Avg Bid
    14 bids

    ...a quick application in C#.(by tomorrow) Below is the detail of application, I was discussing 1. Start TCP listener (localhost ,port 4000). Instantiate Modbus TCP client, connect to Modbus server(remote host)( We will provide sample code) 2. Connect to Telnet server (remotehost Port 23). 3. Once connected start reading data from server

    $24 (Avg Bid)
    $24 Avg Bid
    9 bids

    i want to develop iPhone app to connect my iKev2 VPN server.

    $10 - $30
    $10 - $30
    0 bids

    NS3 for different MAC protocols

    $70 (Avg Bid)
    $70 Avg Bid
    3 bids

    ...11 S7-1200 small PLC's. The requirements is to display electrical scheme and do a scheduling mechanism for air conditioning and lighting In addition: few elements in Modbus communication generator, UPS, AHU , VRF, energy consumption SATEC. The HMI will be “inductive automation” Ignition we have most of the templates, you dont need to develop

    $2538 (Avg Bid)
    $2538 Avg Bid
    16 bids

    Develop a software that can communicate with protocols such as bacnet/modbus/opc and have read/write facility between the [login to view URL] unlimited logs of the data retrieved.

    $3121 (Avg Bid)
    $3121 Avg Bid
    38 bids

    Looking for detail design , manufacturing BOM, complete software files for Annunciator. Channel count 24 Channel, Communication - Modbus RS485.

    $101 (Avg Bid)
    $101 Avg Bid
    6 bids

    ...of our products and the dye of the air freshener packaging. We would like to achieve a really premium feel to the packaging; potentially light grey matte cardboard (thick gsm) with black or white writing however we are completely open to suggestions. We will send a further brief to the designer we choose to work with and look forward to hearing

    $125 (Avg Bid)
    $125 Avg Bid
    66 bids