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495 questions
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1 vote
1 answer
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I am using a Microchip SAMA5D27 Wireless System-On-Module 1 (ATSAMA5D27-WLSOM1) MPU SOM Module with a Micron MT29F4G08ABADAWP-IT:D NAND Flash device for storing the boot image. I will also use a 4-bit ...
Potionless's user avatar
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3 votes
1 answer
250 views

I need help identifying this 9-pin microSD card connector footprint. I’m looking for either the exact part or a compatible alternative. MicroSD Card Connector Details: Pin count: 9 (8 + 1) Footprint ...
user avatar
0 votes
1 answer
81 views

I have been having difficulty getting an SD card to initialize to communicate over SPI. I am using a 32GB PNY Elite SD card, and the microcontroller I am using is an STM32L432KC. Below is the code I ...
Ethan Fredsti's user avatar
  • 41
-5 votes
1 answer
82 views

I am thinking about buying a USB with SD card. I want to write a program in Python to read/write data from/to the USB/SD card. In Python there is the library serial....
Root Groves's user avatar
  • 498
1 vote
1 answer
82 views

I’ve been working on a custom ESP32-C3 development board that’s designed to be a plug-and-play ESP-NOW receiver, with the option to log data straight to a microSD card. The idea is to make something ...
cheetoss's user avatar
  • 21
1 vote
0 answers
67 views

I am trying to create a way to wirelessly upload to a media player using a ESP32-s3. Materials: ESP32-S3 9 pin microSD card module microSD Card slot extender (attached to the media player, I soldered ...
Bflatt's user avatar
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1 vote
1 answer
61 views

I am currently designing hardware around an AM6254ATCGHAALW MPU, and I am making great use of the BeaglePlay schematic: link Here is the SD card design in the schematic: I would prefer not to use the ...
Dániel Határ's user avatar
  • 35
3 votes
1 answer
167 views

Here's a silly question: what's the best kind of micro-SD connector to use in high-vibration environments? I'm designing a PCB that'll be launched in a rocket. The PCB gathers data and stores it in ...
RMHammond's user avatar
  • 87
2 votes
1 answer
163 views

I'm writing some software in rust to interface with a microSD card connected to an STM32 over SPI. I'm having issues getting the SD card to exit the idle state with ACMD41. I have a 64gb card that ...
oxnh's user avatar
  • 29
0 votes
1 answer
87 views

So I purchased this micro SDXC 512 GB card to keep it in my laptop (that has perhaps 128 GB solid state storage). I use the card to move mainly picture files to it, from laptop hard disk. The only ...
Rado's user avatar
  • 101
0 votes
0 answers
57 views

I have an Odroid N2 rev. 0.4 (HW and schematics), and its microSD slot is broken. I'd like to replate it, but I fail to find a compatible replacement, because most available seem to be wider, deeper, ...
homocomputeris's user avatar
  • 101
0 votes
1 answer
109 views

I have implemented Media Storage Class on STM32 CPU with USB 480Mbit. CPU is connected to SD card (48MHz, 4 wire). I have checked that read speed from SD card is about 2 MB/s. Compared to USB SD card ...
zulunation's user avatar
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0 votes
1 answer
130 views

I'm using STM32 and SDMMC peripheral to make external loader for an SD card,to flash touchgfx data to it and read it next . I have some questions. ...
hossein hamzekhani's user avatar
  • 97
-1 votes
1 answer
266 views

I'm designing an SD card interface for a 3.3V system and would appreciate a review of the schematic I've put together. The goal is to safely interface with a microSD card in 4-bit mode, provide robust ...
Brighton Sikarskie's user avatar
  • 51
1 vote
2 answers
153 views

I am trying to implement an SD card with no filesystem in my ESP32 project. So far I have been able to initialize it and write data to it. However, I have not been able to correctly read the data from ...
David's user avatar
  • 21

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