Jan 30,2023
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  • BOM list updated

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  • Hi! I made 5 cards. USB port, pendrive it works fine. The SD card section, does not see the cards, does not boot, nothing happens.STM32F405RBT6 cpu. Firmware 3.32 or 3.42. Amiga 500 kick rom 1.3. What could be the problem?

    Edoardo kinmami 2024-08-27 20:36:51Reply

    what about the solder jumpers marked /CDI and SD CARD OFF ?

    Edoardo kinmami 2024-08-28 05:01:11Reply

    SD CARD OFF must be OPEN (floating) if you aim to use the SD CARD slot /CDI normally OPEN assuming that your slot does not invert the signal when the media is inserted, otherwise try /CDI closed with a solder blob

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  • The part number of the components in the above picture, 4607X-101-102LF, is 200 mW, not 0.63W. Could you confirm whether the part number given is correct? If not, could you provide the correct part number?

    Edoardo kinmami 2024-08-23 15:03:35Reply

    the revised power dissipation is not a concern. The p/n is correct.

    PCBWay Team 2024-08-23 15:06:27Reply

    Thanks for your quickly reply. We got it.

    Reply
  • Please review the BOM file associated with this project. When I click on the BOM in the project at the top right, I get the correct XLS file for this pushbutton version. If I try to order the project as a complete assembled PCB, the order has the BOM for your Thumbwheel Encoder version. Yes, I've opened both and confirmed that the contents are different, and that the one which comes up in the order is for the Thumbwheel encoder version. Also, the BOM in the DOWNLOAD link below the schematic is for the Thumbwheel encoder version. What would be better is if you could produce a separate BOM for each version; PCBWay's process gets in the way when there are "optional components" like the STM32 "Blue Pill". This turns the "one-click ordering" into a major PITA. That costs you sales and costs the buyer wasted time. Thanks for all your hard work on this project!

    Edoardo kinmami 2024-05-26 18:11:43Reply

    Okay, I have updated all optional part numbers (marked with an asterisk) to a quantity of 0

    Reply
  • But according to the PCB there is a footprint for the STM32F105RBT Blue Phill CPU and a footprint for the AT32F435RxT7 CPU. Is that correct or have I misunderstood? If it is correct as I say, then if I mount the STM32F105RBT Blue Phill CPU, do I have to mount the components with "*" and do I not have to mount the AT32F435RxT7 CPU? Or if I mount AT32F435RxT7 CPU, then I don't have to mount the STM32F105RBT Blue phill CPU and the "*" components? It's correct as I say. I just have a question about the CPUs. All the best

    Edoardo kinmami 2024-03-15 23:38:11Reply

    STM32F103C8T6 Blue pill is for OSD only not for managing the DD/HD. DD/HD images are managed by AT32F435RxT7 or STM32F105RBT. You can optionally have the STM32F103C8T6 mounted either with AT32F435RxT7 or STM32F105RBT.

    Edoardo kinmami 2024-03-17 19:00:47Reply

    I believe the schematic is detailed

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  • Thanks for the reply. A curiosity...can the assembly be done by installing both CPUs at the same time? If the answer is "yes" how do you select one or the other? through a "jumper"?

    Edoardo kinmami 2024-03-15 16:17:56Reply

    you can solder only one CPU. The footprint is unique.

    Reply
  • Hello, I am interested in this project because it is quite interesting. I see that it can have the STM32F105RBT and AT32F435RxT7 cpu. The question is with the assembly of the CPU. If it has the AT32F435RxT7 CPU, should the "optional" components of the STM32F105RBT be omitted? If the STM32F105RBT CPU is installed, what optional components must be removed from the AT32F435RxT7 CPU? Or can the assembly be done with the 2 CPUs? All the best

    Edoardo kinmami 2024-03-14 22:39:10Reply

    STM32F105RBT requires additional logics. AT32F435RxT7 does not. Optional logics are no need when a AT32F435RxT7 is selected.

    Reply
  • Hello,Sir Could you post two pictures of the front and back of this PCB in real life? I am planning to assemble it and I would like to have a little more reference, could you help me? Thank you very much!

    Edoardo kinmami 2023-08-22 07:29:01Reply

    the Assembly Instruction Drawing is now available for downloading.

    Reply
  • Hey Edoardo, what are the improvements to your previous version? Thank you

    Edoardo kinmami 2023-04-30 07:46:09Reply

    · Complete support of DD/HD images with AT32F435RxT7 and STM32F105RBT (STM32 requires additional logics). · Power-fail-safe and ESD/EMI-protected input, SD card (hot plug) and USB-A connectors. · SD port instead of micro SD to facilitare insertion/extraction of media. · Connectors for OLED/LCD, STM32 blue pill board (OSD) and encoder/trackball. · Low-profile thumbwheel encoder with an integrated switch (option).

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