Isolated USB to Rs232 RJ45 with Boot0 and 1-Wire

PCB layout digi and Opto-Isolated RS232 I/O and OneWIre interface.

Credit will be given for any Design assistance

CTS line is always asserted to indicate that the STM32F is always ready to receive data.

CTS can be held low while applying power in order to make Boot0 high during power up.

MAX3221 is a RS232 driver that includes status indication

Prefer Eagle or Kicad

To fit as small as possible enclosure , yet to be decided

PCB size

Box Examples found on Aliexpress





Create Missing CAD Library components



PCB fabrication



Habilidades: Engenharia Elétrica, Eletrônica, Layout PCB

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Acerca do Empregador:
( 4 comentários ) Auckland, New Zealand

ID do Projeto: #10505782

Concedido a:


Experience: 1 ) I have over 10 year experience of PCB layout / Hardware / EMI designs, we can complete various layout requirements. A) Embedded system / Arduino PCB layout B) Wifi / BT / GPS PCB layout Mais

$277 NZD em 10 dias
(0 Comentários)

14 freelancers estão ofertando em média $686 para esse trabalho


A proposal has not yet been provided

$1578 NZD in 5 dias
(117 Comentários)

Hello, I have been associated with Hardware design (Circuit / Electronics design), PCB design, Library creation and Library database maintenance, PCB Manufacturing, Component procurement, PCB Assembling and Functio Mais

$750 NZD in 30 dias
(114 Comentários)

Dear sir, We have reviewed your data below. We will use Altium tool to work on this design instead of Eagle. We have over 10 year experience to work on: schematic design, layout, gerber, QA and CAM/CAD mechanical. P Mais

$1111 NZD in 15 dias
(11 Comentários)

Hi I am a Professional PCB and circuit designer..... I have gone through your requirements..... I can design the PCB footprints for missing Parts and PCB in 10 days... I made many products PCB's in Eagle.... You can Mais

$555 NZD in 10 dias
(6 Comentários)

A proposal has not yet been provided

$555 NZD in 15 dias
(1 Comentário)

I live in Ohio, United States. This will be my third job as a freelancer if I get the opportunity to work for you. I am very proficient in pcb design. Before you hire me for this job I will provide a portion of the p Mais

$333 NZD in 15 dias
(1 Comentário)
$444 NZD in 30 dias
(1 Comentário)

Hi friend, I can handle this project. but one thing that i mention that how can I send to you the PCB? Or I only send to you the file PCB ? My job often layout PCB. So you can trust me in this job. You can feel fr Mais

$555 NZD in 10 dias
(0 Comentários)

Deliverables: PCB design (Altium Designer, Cadence Allegro, PADs), Gerber files and BoM (with RoHS information). KiCad conversion can be done.

$722 NZD in 10 dias
(0 Comentários)

Hello, I am Hardware Design Engineer with 4 years of experience. I have already worked on Mornsun modules. I have used URH2405P-6WR3 in our one product. We have also passed CE certification of that product. So i hav Mais

$722 NZD in 30 dias
(0 Comentários)

I'm Pierpaolo Guida, i'm an electronic engineer, so i use Orcad Capture for schematic and Orcad PCB Editor to design the pcb layout until 6 layers. I worked with RF signal until 10GHz for a Radar in my ex experience, s Mais

$555 NZD in 10 dias
(0 Comentários)

Hi employer, Need to discuss about your project. What do you want exactly ? Please free contact me through my skype: hai.lam205. Please give me your requirement in order to do exactly. Thanks,

$666 NZD in 10 dias
(0 Comentários)

A proposal has not yet been provided

$777 NZD in 30 dias
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