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USB to RS232

s1buell over 6 years ago

Does anyone here have any experience with this topic?

I`m going from a TUSB2077APTRTUSB2077APTR controller to two FT232RL-REELFT232RL-REEL IC`s just to test this prototype idea.

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michaelkellett over 6 years ago in reply to s1buell +7

Hello Tom, I quite like FPGAs - but then that's what I do quite a bit. If this is a commercial project I could help you with FPGA design for money ! If not, then I'll be able to help a bit on E14 with…
michaelkellett over 6 years ago +6

It looks as if you want an Arduino with 8 RS232 ports. The neatest way to do this is to use an FPGA - something fairly small will do. You can connect the FPGA to the Arduino via UART or SPI at logic level…
beacon_dave over 6 years ago in reply to s1buell +5

"The idea is to connect 7 RS232 connections. Then access them via Arduino (or similar type proto board) in the end." Perhaps take a look at the ATxmega A1U or A3U family of AVR 8-bit microcontroller which…

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s1buell over 6 years ago
abrain
Yes I need separate grounds for sure.
Did you mean opto-isolators?
I will look at that link for sure

michaelkellett
My thoughts exactly!! I have started the board layout already
If you guys like I will post each part of the project as I move forward

Thanks for the feed back......

Tom
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s1buell over 6 years ago
abrain
Yes I need separate grounds for sure.
Did you mean opto-isolators?
I will look at that link for sure

michaelkellett
My thoughts exactly!! I have started the board layout already
If you guys like I will post each part of the project as I move forward

Thanks for the feed back......

Tom
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michaelkellett over 6 years ago in reply to s1buell

Hello Tom,

It's always nice to see someones design evolve - I'll keep looking.

MK
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