Find Jobs
Hire Freelancers

Design a Wireless IOT I/O Modbus Product

$30-250 USD

Completed
Posted over 5 years ago

$30-250 USD

Paid on delivery
Design two 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 ESP-32, 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
Project ID: 17822021

About the project

9 proposals
Remote project
Active 6 yrs ago

Looking to make some money?

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
Awarded to:
User Avatar
para ganratir o bom sucesso o procedimento e o siguinte: 1.- O contrato inicia so quando o esquema de circtuito e aprovado pelo cliente. 2.- Testes: aqui testamos cada parte do esquematico e documentamos em fotos e osciloscopio para o comforto do cliente, asim a gente garante que cada parte do esquema funciona corretamente. 3.- Desenho e fabricacao da PCB: O desenho final e aprovado pelo cliente e enviado para fabrica. Durante esta etapa se deselvolve um firmware simples para testar a PCB na fabrica. 4.- Firwmare: esta parte geralmente o cliente fabrica dois exemplares e envia uma amostra para nos garantir e testar o firmware e o hardware juntos. asim fica pronto como um produto comercial testado. O saldo final e liberado. A proposta nao inclui o custo dos componentes. Obrigado.
$100 USD in 20 days
5.0 (16 reviews)
5.6
5.6
9 freelancers are bidding on average $381 USD for this job
User Avatar
Dear Sir, I am an highly skilled board designer who has over 17 years experience on complex, multi layers PCB design. I can provide you with service from schematic entry to PCB Layout.I can also provide the prototype service. Please message me if you are interested or want to learn more. We can discuss further. EDA Tools: Altium17, Pads, Orcad, Eagle8.. Thanks
$666 USD in 8 days
4.9 (113 reviews)
8.3
8.3
User Avatar
we are a team of different engineers electrical engineers electronic engineers embedded developers We are confident about your work and can give you good quality work within your deadline. you just need to text me so that we can further discuss about your work thanks
$155 USD in 3 days
4.8 (34 reviews)
5.7
5.7
User Avatar
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 experience in pcb design as well,and i have worked with lora technology before using heltec board
$127 USD in 5 days
5.0 (32 reviews)
5.3
5.3
User Avatar
Design a Wireless IOT I/O Modbus Product I am full time freelancer of Electrical & Electronic Circuit Designing & Simulation, PCB Designing, Consultancy of different types of Electrical & Electronic Problem. I am ready to give hardworking, reliability, flexibility & honesty. I can work with minimal supervision, communicate & give updates on the status of my work output. I am always determined to deliver projects to freelancer clients before meeting the deadline with 100% satisfaction & loyalty.
$30 USD in 2 days
4.8 (10 reviews)
4.2
4.2
User Avatar
Hello lroisenberg, I'm interested in your project and looking forward to helping you achieve it greatly, please look at my portfolio and send me a message to show you more samples and to discuss more about the project and price. ...
$200 USD in 5 days
5.0 (2 reviews)
3.7
3.7
User Avatar
dear i have experience to make PCBs , and also some experience of Arduino programming , i have design some IoTs with esp 8266 12e, , node mcu, d1 mini , wifi modules . tell me how can help
$333 USD in 3 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of ISRAEL
Netanya, Israel
5.0
77
Payment method verified
Member since Oct 3, 2012

Client Verification

Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.