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Circuit and PCB Design of small project
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Engineering & Manufacturing > Product Design

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  • Posted: Sun, Aug 26, 2012
  • Time Left: Closed
  • Location: Anywhere
  • Client prefers freelancers from:
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    The client prefers freelancers from
    a different location.

    You're still able to submit a proposal for this job, regardless of your location.
  • Start: Immediately
  • Budget: Not Sure
  • Fixed Price Job
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Hello, I have a backlog of products that I need produced quickly and correctly.

I have a micro that need to interface via SPI with standard components.

I have a power stage that I've used many times before and details about connectors and PCB size to fit into a standard enclosure.

I need you to take my requirements understand and design the circuit required from additional components and make a PCB that I can prototype.

The first project is a RS232 bridge and I want to use the NXP SC16IS740 with a MAX3232.

  [obscured]  /documents/data_sheet/SC16IS740_750_760.pdf
  [obscured]  -europe.electrocomponents.com/webdocs/078a/0900766b8078af15.pdf

It'll be on a 2 layer PCB, with a single top silkscreen.

It'll need to have some Rx and Tx Leds over the RS232 to see the data transmission working.

My micro will act as the Master and communicate via SPI to the NXP chip.

My standard components total 21, add on the NXP chip, MAX3232, DB9 connector and additional components the total amoun...

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