Design a LoraWan IOT I/O Modbus Product

$30-500 USD

Cerrado

Publicado

hace más de 5 años

$30-500 USD

Pagado a la entrega

Design 3 products as I will provide the enclosure and the freelancer must provide the PCB complete design to fit within it and also firmware with a little webserver. The product is an I/O wireless based on LoraWan module, with external antenna communicating in Modbus. 1) It will have two relay outputs and two optoinputs, as well as a watchdog timer circuit communicating in a TCP Modbus Network 2) It will have 4 analog input and 1 analog output as well as a watchdog timer circuit communicating in a TCP Modbus Network 3) It's a RS-232/422/485 LoraWan Converter to communicate with those products above.

ID del proyecto: 17822238

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17 propuestas

Proyecto remoto

Activo hace 5 años

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17 freelancers están ofertando un promedio de $1.622 USD por este trabajo

@mechatronicsengr

Hi, I hope you are doing well. I have expertise in embedded system programming and development. I have reviewed your project details and I understand the requirements which are to develop software and hardware for RS232/RS485/RS422 to LoraWan converter. I have understood your requirements, I have hardware available for quick prototyping and testing. I would like to discuss the project further. Looking Forward, Khawaja

$1.764 USD en 45 días

4,8

(85 comentarios)

7,0

@ahmad5857

Hi sir, We have already done many projects on LORA WAN and modbus , we are expert in IOT and we can develop you webservers. Please check our profile for PCB designs that we did in the past. Let me introduce you to our team, we are TURKTRONICS , we are team of smart engineers and developers, we are able to design both hardware, firmware and software applications, IOT is our strong point. we are very expert in I2C and SPI based serial communications and we have quite deep understanding of this project. Lets talk to us and consider this job is done. Regards, Ahmed Lead Tech Engineer TURKTORNICS

$680 USD en 10 días

4,9

(55 comentarios)

7,1

@Mestek

hello i am a computer engineer,i have masters in computer engineering,i have experience for more than 7 years in arduino and electronics i have worked with lora technology before using heltec board,so i can help u in ur project to achieve ur requirements

$200 USD en 5 días

5,0

(36 comentarios)

5,6

@dsuclla88

Prezado Senhor, Desejo realizar este trabalho, conheço bem todos os dispositivos mencionados, sem dúvida poço desenhar a pcb e desenvolver o firmware. Sou nativo em português para uma melhor comunicação, atualmente moro no Peru, aqui tenho todas as ferramentas e recursos para encarar o seu projeto. Por favor não duvide entrar em contato para obter amostras e maior informação. Obrigado pela atenção.

$777 USD en 20 días

5,0

(11 comentarios)

5,5

@LeoTheFreelancer

basics project could be done in 3 days, We can start from at least $ 250, updates every 3 days We can discuss for discounts scheduled payment by 12 months or 6 months 15+ years in Technology Business and Manufacturing ( engineering Science) You have my Warranty and conditions limited support plan for 1 year

$294 USD en 10 días

4,8

(7 comentarios)

5,8

@designbyatin

We are the professional company and have years of expertise in electronics. We will work on all 3 devices and would make it. Let's discuss in chat box. Best Regards

$9.411 USD en 90 días

4,8

(31 comentarios)

4,9

@jitendrabaraiya

I have already worked on lora and dlms protocol. so I can do your job and I know about morbus protocol . so I can do your job within a time limit with your satisfaction.

$6.222 USD en 60 días

4,8

(5 comentarios)

4,7

@UDTechLLC

Hi! Sounds pretty easy so far and I am ready to start. Please drop me a message and we will discuss all details or even let's arrange a small call. What do you think? I think the budget is also better discussed during the telephone conversation Thanks Andrew

$888 USD en 10 días

5,0

(2 comentarios)

4,4

@AndreySer

Hi, you need 3 assembled tested prototypes , i have a lot of expirience in development such devices , but i'll be needed in that LoraWan module's chips

$1.333 USD en 30 días

4,9

(9 comentarios)

4,5

@gauravgopishetty

already worked on a similar project controlling the relays and sensors through cloud. my experience would be helpful in completing the work you want faster

$1.111 USD en 8 días

0,0

(0 comentarios)

0,0

@huypq6

I has experience with industrial product which used an WIFI chip and modbus 485 for Air Conditioner application. Your project is a type of that. It require who has experience on that. Let talk more about components for this LoraWan module with me. Thank you!

$666 USD en 15 días

0,0

(0 comentarios)

0,0

@RDTechnoton

Hello! We develop industrial electronics. Familiar to RS-232/485. Also there is a stack of ready solutions that may cut cost for you. A small part of portfolio is attached to our account. We are ready to chat more about all 3 projects. We may lead you from idea to serial production. BR, Maksim

$554 USD en 45 días