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Redesign Existing PCB of a product prototype.

We developed a prototype of our product but now we need a new pcb with necessary improvements and make it ready to send to a Contractor Manufacturer for production.

we have 2 pcb shields, one collects the data and then send it via lora to the gateway (second shield, much simpler)

Our product is a weighing scale to monitor cattle.

Overview of the complexity of the project:

weighing scale board

Microprocessor: ESP32 (dual-core 32-bit MCU + ULP core), FLASH 8MB (64M-bits) SPI FLASH , RAM 520KB internal SRAM, with LoRa node chip SX1276

TTL RS232 Converter

Analog to digital converter

RTC DS130

SD CARD

Power Source: Solar panel/battery

Gateway Board

Microprocessor: ESP32 (dual-core 32-bit MCU + ULP core), FLASH 8MB (64M-bits) SPI FLASH , RAM 520KB internal SRAM, with LoRa node chip SX1276

SD CARD

Power Source: Standard wall plug socket;

If you can contribute with not only the pcb's design, but helps us to format everything needed to send to a CM in order to start production... you are welcome.

Beceriler: PCB Düzen, Elektronik, Mikrodenetleyici, Elektrik Mühendisliği, Üretim

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İşveren Hakkında:
( 6 değerlendirme ) Manaus, Brazil

Proje NO: #31835263

Seçilen:

(115 Değerlendirme)
6.9

Bu iş için 35 freelancer ortalamada $1015 teklif veriyor

avigupta0061

Best PCB Design Expert at your doorstep! Dear Client, As we have wide experience in redesigning Weighing scale PCBs and Gateways and would be able to provide prototypes and support for mass production as well, we are Daha Fazla

$950 USD in 2 gün içinde
(40 Değerlendirme)
7.3
(146 Değerlendirme)
6.9
(82 Değerlendirme)
7.2
Mauricio768

Dear Client. I have just read your job description and your project is really interesting to me. I have many experiences working for 12+ years with Circuit design, PCB design, manufacturing functional prototyping with Daha Fazla

$1000 USD in 7 gün içinde
(33 Değerlendirme)
6.0
jhabreu

I develop the schema circuit and PCB as simple and compact as possible. I work in developing electonic circuit over 10 years of experience. I'm specialist in eletronic, PCB and software projects. I assemble SMD, and h Daha Fazla

$850 USD in 7 gün içinde
(21 Değerlendirme)
6.2
macroenergy

Thanks for Freelancer which gives chance to meet you. I hope you are good. I have read your description carefully and understand everything. I’m Electronics engineer who have 25 year experience on analog design, renew Daha Fazla

$750 USD in 20 gün içinde
(37 Değerlendirme)
5.9
udayd75

Dear sir, we are interested to do this project. we had read your project description and understood your requirement. I have 15 years experience in industrial design, 4 years in 3d print and 11 years in plastic product Daha Fazla

$1300 USD in 7 gün içinde
(18 Değerlendirme)
6.3
iamanujpathak

Hello Sir, I have 6 years of embedded and IoT system development experience. I have designed multiple PCB boards of varying complexities. One such board is added to my portfolio, I would suggest you to have a look at Daha Fazla

$1200 USD in 15 gün içinde
(8 Değerlendirme)
5.5
mocuZ

Dear Valued Employer, My name is Martin and I am an engineering physicist with extensive experience in the field of circuit design, circuit prototyping and PCB design. As I understand from the project description you Daha Fazla

$840 USD in 42 gün içinde
(18 Değerlendirme)
5.7
hsh564cf84accd96

We will do your Pcb work Hi my Professional Aim is: (Services then Solutions then Satisfactions) I hope you are [login to view URL] an experience in this field from last 5 years i am sure i can do it perfectly with in a time and Daha Fazla

$750 USD in 7 gün içinde
(57 Değerlendirme)
5.7
lsjlsj04127

Hello? Let's discuss the project through chat so we can get more details and start the project right now. Waiting for you. Thank you very much.

$1000 USD in 7 gün içinde
(4 Değerlendirme)
5.3
xpressionlab

Hi I understand your requirements and i can design your boards and have them sent to my manufacturer to develop the first prototypes which will be mailed to you and which will align the production process to be taken o Daha Fazla

$1300 USD in 60 gün içinde
(4 Değerlendirme)
5.3
HarimohanG

Hi I can redesign PCB with new improvements for Prototypes mass production. I have already designed countless Weighing Scale PCB so would be the best fit to do this project for you. Please send me existing PCBs. I h Daha Fazla

$900 USD in 2 gün içinde
(4 Değerlendirme)
5.2
etalhak

Hello, I am an electronics and telecommunication engineer and my major is wireless systems' design. I am experienced in hardware and embedded systems' design. So far I have designed/printed/tested many PCBs and I am qu Daha Fazla

$750 USD in 7 gün içinde
(33 Değerlendirme)
5.2
sivom

Hi, I have 15 years experience in PCB design and firmware development. Please share details of your existing prototype and the changes to be done in new PCB design. We will make the design using Altium and provide all Daha Fazla

$750 USD in 15 gün içinde
(13 Değerlendirme)
5.0
(7 Değerlendirme)
4.7
(14 Değerlendirme)
4.3
lydialin2000

A ) I have over 20 years of experience in PCB Layout, HW, RF, EMI, FW designs. we can complete various design and layout requirements and Android / iOS app development. # 8051 MCU / ARM Embedded system / Arduino / S Daha Fazla

$999 USD in 7 gün içinde
(6 Değerlendirme)
4.0
(6 Değerlendirme)
4.0
RachelBenita

Hello, thank you for your job posting. I have 5 years experience in PCB and circuit design and Manufacturing, Embedded programming, and i can help you with any kind of request in these fields. I will do my best to sati Daha Fazla

$1200 USD in 8 gün içinde
(5 Değerlendirme)
4.3