Questions tagged [sdcard]
Secure Digital (card), a non-volatile, flash memory card standardised by the SD Association
496 questions
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Shared Pin Mapping for SD Card and NAND Flash Interfaces on MPU
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 ...
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Need 9-Pin MicroSD Connector Info
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 ...
user617271
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Getting SD card to IDLE state with an STM32L432
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 ...
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Serial instruction for USB with embedded SD card [closed]
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....
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ESP32-C3 ESP-NOW Receiver + SD Logger, design Feedback Wanted
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 ...
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SD Card slot extender with media player problem
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 ...
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BeaglePlay SD card HW design
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 ...
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Micro SD Connector Types
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 ...
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Micro SD card wont exit idle state when using SPI bus
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 ...
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SDXC card -- data disappearing [closed]
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 ...
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Compatible replacement for Hardkernel Odroid N2 microSD card slot
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, ...
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Media Storage Class on STM32 speed is too low
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 ...
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How to build external loader for SD card? [closed]
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.
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Is this SD card interface circuit with ESD protection and PMOS power switch correctly designed?
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 ...
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SD Card SPI Interface Issue - Read Operation Returns incorrect reading
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 ...
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