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matherp
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Posted: 05 August 2018 at 4:25am | IP Logged Quote matherp

Patch wiring lots of cable to displays, camera etc. is painful and open to error so I have developed a backpack to allow connection to the Nucleo 144 of various peripherals.

It supports ILI9341, SSD1963, OV7670 camera, ESP8266 module (Com3), battery for RTC, audio output socket, as well as dedicated ports for Com1, Com2, Com3, Com4, SPI1, SPI2, SPI3, and I2C. I've used tall headers so all the Nucleo pins are also available.

This first version included an SDcard slot for the 4-bit parallel interface which I have now scrapped but the SDcard slot on the displays can be used. The attached gerbers have the SDcard slot connected using SPI.

2018-08-05_042329_stm32h7.zip











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panky
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Posted: 05 August 2018 at 2:38pm | IP Logged Quote panky

Anyone in Australia planning on getting one of these made? I would like one and am happy to go with someone else otherwise I plan to order one made myself.

Doug.


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matherp
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Posted: 06 August 2018 at 6:43pm | IP Logged Quote matherp

Minor tweak to include LED-A support for ILI9341 16-bit parallel displays like this .

2018-08-06_184257_stm32h7.zip

Parts list for those interested.

C2, C3, C4, C5              - UWX1C101MCL1GB or similar
C1, C6, C7, C8              - 0.1uF 1206
C10                         - 10uF 1206
R1, R10                     - 2R2 1206
all other resistors         - 10K 1206
Regulator                   - LD1085D2M33R
Battery                     - CR1220
Battery Holder              - S8411-45R
Audio socket                - 35RASMT4BHNTRX
SDcard socket               - 114-00841-68
USB socket                  - ZX62D-B-5PA8(30)


NB the power selector (JP3) on the Nucleo should be selected to E5V to use the daughter board

Edited by matherp on 06 August 2018 at 7:00pm
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TrevorH
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Posted: 08 August 2018 at 7:20pm | IP Logged Quote TrevorH

Hi Peter,

I received the PCB yesterday, thanks again, still waiting for some of the SMD parts
to arrive but have got it partly up and running so far.

Just for completeness have you a schematic you can post?

Will do some more testing later!!

Trevor.
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matherp
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Posted: 08 August 2018 at 7:30pm | IP Logged Quote matherp

It is only a partial schematic as it doesn't include the ST morpho connectors or the various headers and is the latest version 1.2

2018-08-08_192849_stm32h7_-_Project.pdf

Remember, don't bother to install the SDcard socket on Version 1.0 of the PCB as it is wired for the old interface and in any case misses the required pullup resistors

Edited by matherp on 08 August 2018 at 7:32pm
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Bill7300
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Posted: 09 August 2018 at 12:34pm | IP Logged Quote Bill7300

panky wrote:
Anyone in Australia planning on getting one of these made? I would like one and am happy to go with someone else otherwise I plan to order one made myself.

Doug.
I would be interested in a board when Peter is happy with his design, Doug.
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palcal
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Posted: 09 August 2018 at 4:11pm | IP Logged Quote palcal

I have been waiting for a final layout as well. I priced the boards from PCB GoGo $36 for 5 pieces posted to Oz. So put me down for one, or I will order and forward on to others.
Paul.

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panky
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Posted: 11 August 2018 at 1:34pm | IP Logged Quote panky

@Bill and Paul,

Boards have been ordered - delivery sometime around 6 to 10 days. I reserved for both of you - can you PM me an address and I will post off when received. AUD$8 each if that's OK? These will be the latest version Peter has posted.

Cheers,
Doug.

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Bill7300
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Posted: 11 August 2018 at 5:34pm | IP Logged Quote Bill7300

Thanks Doug. PM on its way but make sure you cover onwards postage in the price.

Bill.
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cdeagle
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Posted: 13 August 2018 at 6:05am | IP Logged Quote cdeagle

I am also interested in one of these boards. If someone is willing to ship to the US, I will gladly pay for the cost of the board, postage and any handling. I can pay via PayPal.

Thanks
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panky
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Posted: 13 August 2018 at 1:51pm | IP Logged Quote panky

@cdeagle,

I have tentitavly earmarked the last board for you David - when they arrive, I will check postage to the US and let you know the costs and you can then decide if you want to go ahead. No need to worry about payment yet - lets see what the boards look like when they arrive which I hope will be in the next 2 weeks.

For everyone else - sorry, all boards now spoken for.

Cheers,
Doug.


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cdeagle
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Posted: 13 August 2018 at 11:15pm | IP Logged Quote cdeagle

Thanks Doug
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