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Apologies in advance for what is probably a very basic question, but I am a complete newbie when it comes to Python. My Mac installation runs perfectly from the Terminal Window, but is it possible to

Hi DiSlord, It's working now , see screenshot attached (after 2 port calibration). This is shown in Tera Term : ?CMD0 Ok ?CMD8 Ok ?CMD8 0xAA010000 ?CMD8 Ok, run ACMD41 ?ACMD41 99 ?ACMD41

Thanks for made test (i don`t found old SD cards at home for check it) As i see all SD card types work Read/Write speed not big, but this limits of SD card SPI bus mode and processor. In future i try

Thank you very much, it works now.

Found my error in card type detect try this

Yes, but you card answer CMD58 CCR = 0x0080FF80 Not set Card Capacity Status (CCS) bit Need read datasheet

It still doesn't work, SDHC card uses block as read/write unit and small capacity SD card uses byte as read/write unit, is there no driver for small capacity SD card?

Yes possible old cards can`t work on high SPI speed like 36MHz I try set 18MHz speed for work, this little slowdown write from 150kB/s to 140kB/s Also, i found RTC clock (internal timer) run to fast,

Hello DiSlord, I installed a microSD card slot and tested that both 8GB and 32GB microSDHC cards can work normally, but I found an ancient 1GB microSD card that does not work. The following is the

Thank you very much for your guidance. Now there is a problem that 617DB-1023 has been discontinued. I tried to use YB006T-1023 instead, but the consistency of YB006T-1023 will be worse. I need to

We have started to use the original file of OwOComm to make S-A-A-2, and now you can buy it through https://www.alibaba.com/product-detail/S-A-A-2-NanoVNA-V2_1600053848322.html This is the previous

Alton, Everything you need is in the forum Wiki and File areas.? Print off a copy of the user guide and that will get you started.? There is a lot of information that has been created in the forum

There is a pdf file in the files section like 2nd or third from the bottom entitled how to write firmware for windows, it something similar [email protected]> wrote:

Hello Everyone. Wonderful project! I received my H4 instrument about two weeks ago. It was in a black box with gold printing with cables, cal stds, etc. I should upgrade the firmware to the latest. I

On the previous question about why using the OPEN cal standard instead of nothing. The standard prevents the ingress of any stray RF that might be floating around.

Try this variant of firmware vs you card Now for card init used low speed SPI bus (~280kHz) If not work, need try check Card slot pins, and card should be inserted as on foto Used pins: And send logs

Larry and all, I executed the calibration via app/Saver, and tried a bunch of filters, some reversed also. I enclose the scans. For less narrow filters, I enlarged the scan window, but I assume the

Yes I just made a former out of 1/4" thick 'Tufnol' that measured 34mm x 13mm which is good for the two outer shields. Then using 0.005" thick brass foil I marked out the shapes of the shields 34mm x

Radu, If you're using NanovnaSaver, use that app to perform and save the calibration and see if you get different results. I know that you can save a number of calls in the Saver app.? Larry On Sun,

Excellent! Thanks again for all the hard work. On Sun, 24 May 2020 at 10:27 AM, DiSlord<dislordlive@...> wrote: In my test i use Samsung EVO Plus 128Gb HD XL Samsung EVO Plus 32Gb SD HC Kingston