Digital Intercoms

We want Digital Intercoms to be designed, which allows us to use Speech at 8KHz Bandwidth and control data. The intercom system can be interconnected using a RS485 Link or any other digital format which allows upto 1KM.

Intercom system will have one master and upto 64 outstations. When the channel is opened, it should allow 2 way speech (Handsfree) between any of the two outstations and the facility to allow additional outstations for a conference intercom.

It should also allow the facility to make a PA (Public Announcement) to all the outstation from the Master Unit.

We will require an indication of chipsets you will be proposing, circuit diagrams and codes.

The project will be in the following phases/milestones for payment:-

1) Proposal - This includes block diagram of the system & chipset

2) Full circuit Diagram

3) Making of two hardware prototypes; one of them to be sent to us for various testing during the software coding. i.e. by sending us relevant software hex files.

4) Final handover of PCB artworks and Code which we can modify if requires in the future. The final payment will be made once we compile the code sent to us and load on the prototype.

We will welcome any suggestions and are willing to negotiate depending upon offer and knowledge.

Habilidades: Engenharia Elétrica, Eletrônica, Microcontrolador, Layout PCB, Wireless

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Acerca do Empregador:
( 0 comentários ) United Kingdom

ID do Projeto: #15720257

7 freelancers estão ofertando em média £1408 para esse trabalho


Hi , I m an embedded systems engineer and I have read your project description carefully . With y skill sets and experience, I will be able to complete project with the deliverable included. Relevant Skills and Experi Mais

£1500 GBP in 30 dias
(18 Comentários)

Hi, I'm interested in your project and would like to offer you my expertise in the field of hardware, PCB design, firmware and software development, BOM optimisation and preparing for mass production. Relevant Skills Mais

£1333 GBP in 35 dias
(2 Comentários)
£1500 GBP in 20 dias
(16 Comentários)

Hello Sir, i am from shenzhen , China. i can design and make prototype of this project. Please PM me for more details. and share more details about this project with me. i have some questions. Relevant Skills and Expe Mais

£833 GBP in 20 dias
(6 Comentários)

Dear sir. I've read your article carefully and convinced that I can fulfill your project without fail. I am an electrical engineer and expert in circuit design, PCB layout, software design. Relevant Skills and Experi Mais

£1777 GBP in 20 dias
(4 Comentários)

Dear Sir: In various capacities in speech application, leading to my present assignment as project manager, I have acquired skills in several fields including speech codec and enhancement Relevant Skills and Experienc Mais

£1666 GBP in 20 dias
(2 Comentários)

Hi,dear. I am a senior software developer. I have just checked your project "Digital Intercoms", I can complete this project. Thanks. Relevant Skills and Experience Electrical Engineering, Electronics, Microcontroller Mais

£1250 GBP in 20 dias
(0 Comentários)