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Questions tagged [storage]

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2answers
73 views

I've seen many conflicting answers online: For optical storage, does a pit represent a '1' bit or does a land represent a '1' bit?

I've seen many conflicting answers online so: When reading an optical disk, which one of these is true: A 'pit' represents 1 and a 'land' represents 0 or A 'pit' represents 0 and a 'land' ...
11
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1answer
937 views

Storage of electrolytic capacitors - how long?

I have a high voltage (750V) high value electrolytic cap about as big as my forearm. It has been in my storage box for about 20 years. In general, do electrolytics degrade under normal storage ...
0
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1answer
59 views

Can Flash controllers make a card readonly?

It is said in this answer here that Some of them have a controller chip that will permanently lock them to read only if they detect a write error, as a preservation measure. Is it possible for ...
1
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1answer
37 views

How to evaluate the assembly Storage temperature?

Question about the Storage Temperature after soldering in general. If the components were all specified with, for example: Storage Temperature Tstg : -65...+125°C; Operating Temperature (or ...
2
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1answer
216 views

Are anti-static bags needed for storing electronic components?

Should I keep the sensors in the anti-static bags or are the bags only needed when shipping? As the anti-static bags are inconvenient and often too big to put the sensor into a compartment in my ...
1
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1answer
95 views

Possible to replace worn out NAND chips in solid state drives?

I understand that SSD endurance is typically much greater than advertised and disregarding any form of data recovery, is it possible to replace NAND chips in solid state drives (with the exact same ...
0
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1answer
2k views

Can I store lawnmower Li-Ion batteries in cold storage during the winter? [closed]

I purchased a Li-Ion battery powered lawnmower. I'm not entirely sure what the actual exact battery chemistry is, but I believe it is not lithium iron phosphate due to its voltage typical of non-...
2
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1answer
102 views

What is or what “fast-ramping batteries” means at this context?

I'm trying to do a economics report of Battery Storage, but I'm from Brazil, so I have to find especific words used in portuguese to describe certain things in electrical setor. I find this term "fast-...
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2answers
206 views

Capacitor Storage Temperature vs Rated temperature

I have a device that contains this capacitor: https://search.murata.co.jp/Ceramy/image/img/A01X/G101/ENG/GRM21BR71H104JA01-01.pdf The rated temperature range was listed as -55°C to 125°C. However, in ...
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2answers
774 views

Flash storage: Limited read cycles?

Comment from http://electronics.stackexchange.com/questions/356185/nand-flash-retention-using-usb-charger/356190?noredirect=1#comment855287_356190 claims that reading from flash storage is no lossless ...
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2answers
155 views

NAND flash retention using USB charger?

NAND-based digital flash data storage devices such as SD,SSD,USBstick,eMMC,UFS,etc. do have transistors, where the small amount of electrical charge does slowly leak over time, resulting into data ...
3
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2answers
955 views

How to store a Bit?

This is page 16 from But How Do It Know?: I don't understand this part: If 'i' and '0' were on before's' got turned off, gate 3 had both inputs off, and gate 4 had both inputs on. When 's' goes off, ...
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1answer
304 views

Is it possible to read the memory from a Holtek HT46R064B OTP(!) chip?

I am trying to get data from a Holtek HT46R064B. I know that the Chip is an OTP (One-Time Programmable) Chip. I ask myself if it is possible to read some parts of its memory. In my case the chip is ...
0
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1answer
137 views

Ram USB storage device [closed]

I have been searching for a storage solution that can be written to an infinite amount of times, and RAM comes up every time. So is it possible to connect RAM to a controller and use it like a ...
2
votes
2answers
189 views

How did the Motorola 68000 handle instructions on 32-bit data?

The Motorola 68k, despite its 16-bit external bus, had 32-bit data and address registers, with support for .L-width instructions over four bytes -- which is 32 bits ...
3
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1answer
114 views

Protection from leaking capacitors - store upside down?

I collect many vintage computers. Most of them use through-hole capacitors, some axial, etc. Some also use SMD caps. When I store my computers, I always remove any batteries. Anyway, I was ...
0
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1answer
56 views

Solutions to store GUI elements in an embedded systems

I have a project in mind to create a GUI using a STM32F4 microcontroller. I am currently working/playing with a STM32F469I-DISCO board that embeds a MIPI Display. I understood how to display images ...
9
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3answers
1k views

What is this plastic chip packing material called?

When I order ICs from larger retailers, they are delivered in a plastic housing that prevents the pins from becoming bent during shipping. With a chip included, they look like this: I would like to ...
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2answers
94 views

Short-term data storage in between wake cycles

I've been working on making a gardening system using an Arduino or an ESP32. To conserve energy, I will have the MCU sleep for long periods of time (I was planning on using pin-change interrupts to ...
6
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3answers
800 views

How does aluminium foil or esd foam protect ICs from esd damage when stored

I see people storing ICs in plastic containers with aluminium foil or ESD foam on the bottom and then put their ICs on top of it to prevent ESD damage. I dont understand this concept tbh and im ...
1
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1answer
139 views

How to store a credit-card-sized FPGA+CPU board?

This might sound like a really dumb question, but I'm trying to figure out how I'm supposed to store a Parallella board board that is always running a Linux server and is physically connected to a ...
0
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2answers
82 views

physical 0 and 1 signals in communication and storage systems

How are 0 and 1 signals actually encoded in today's communication and storage systems? Would their actual encoding cost the same or differently? My intuitive guess is that there must always be some ...
0
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1answer
272 views

What is the difference in storage of a usb flash drive and sd card? [closed]

So I am working on a usb mass storage driver, but I am using a sd card to test it. I don't know if the same driver will be able to fetch the data from a USB drive, as the theory about usb flash ...
0
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3answers
91 views

Hard Disk Drive Storage Space [closed]

I have been wondering for sometime now why Hard Disk Drives define storage space in thousands (1000) instead of the real (1024). So, for example, 1GB = 1000MB; 1MB = 1000KB. Is there any significance ...
0
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1answer
450 views

IC storage using conductive cases?

I am trying to plan a set-up to store/organize DIP ICs as my am starting to build up a small collection. I would prefer to keep them inserted in a sheet of appropriate foam in a case. I found these ...
1
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1answer
123 views

Impact of permanent magnet on component storage

This may sound like a silly question, but it got me thinking. Apart from my lab at work, I have an electronic workbench at home. Most of my components are stored in small, plastic cylindrical jars (...
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3answers
763 views

Using capacitor as a rechargeable battery

As part of my learning of electronics, I'm currently trying to develop my own network of sensors. So far, I've managed to make myself a satisfying small setup : A few nodes, built with an ...
1
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1answer
321 views

what type of internal memory do most digital cameras use? (not talking about SD cards or other removable storage)

I am looking into something for work and I need to know what type of flash-memory storage is most common in digital cameras so we can look into how to properly eradicate all of the data on the cameras'...
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0answers
427 views

Is it possible to emulate an SD as a slave?

What I want to do is put a dummy SD card (the connector going directly to the device with a cable going to a micro controller) into a device so that when the device tries to write a file the micro ...
1
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2answers
820 views

Grid is capacitive in the evening

what does this term mean? "the grid in the evening is capacitive"? I work at a company and we are working on integrating a battery storage system on a utility scale for peak shaving of solar. When we ...
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1answer
51 views

Building NAS adapter [closed]

Does anyone have and idea about NAS adapters internal components architecture (what are the components?) ? A PDF document with schemes would be great. I couldn't find such a thing anywhere. --Thanks ...
1
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2answers
213 views

Mass Storage for Embedded Applications

What are my options if I need to deal with relatively large amounts of data on an embedded processor? I've found storage around ~2-4GB with an SPI controller, but I'm thinking about something in the ...
2
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0answers
258 views

How to interface with the Apple Watch for the purpose of accessing its internal memory? [closed]

Unlike other apple products which can be directly connected to a PC via USB, the Apple Watch is completely wireless from the point it exits the factory, as far as I am aware. Aside from a 6-pin ...
0
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1answer
478 views

Breadboard USB Mass Storage Device

I was wondering if there are any resources on building a USB mass storage device on a breadboard. I know it's not practical, but I thought it would make a fun side project and so I decided to do it. ...
0
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3answers
221 views

How do i completely discharge a capacitors entire load in a fraction of a second?

I'm trying to build a tesla coil, and it seems like the capacitors in tesla coils drop their entire load quickly. I tried researching, but i could only find how to safely discharge capacitors. I want ...
1
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1answer
1k views

What is the ramp rate of a battery used on the grid?

For grid applications, I am looking for typical ramp rate of Li-ion batteries. I am specifically interested in batteries used for frequency management. So suppose I have a 1MW grid connected battery ...
1
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3answers
2k views

Why use RAM IC over EEPROM IC?

I have been looking at various different external storage ICs that would work with an arduino. When I looked at the specs of some EEPROM chips and compared it to the specs of other RAM chips, I ...
0
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1answer
1k views

Arduino to read file data from SD storage board, and PC user to update same file via usb cable as needed

I have a project where in the finished product (sketch loaded to Arduino and it's running on its own), Arduino needs to regularly read data from a text file stored on a SPI Micro SD storage board (the ...
1
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1answer
690 views

What determines the maximum rotational speed of a hard disk drive?

Through my background research I understand that the limit on the rotation of a hdd is largely the product of heat and the specs of the physical disk, but I am puzzled by the round numbers advertised ...
4
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6answers
8k views

Ziplock Bags: OK for electronics project storage?

Are plastic "ZipLock" bags OK for short-term storage of projects? Context: beginner's Arduino class, carrying Arduino, breadboard, and wiring.
4
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2answers
8k views

Interfacing with SATA in embedded systems

Would it be possible to use a SATA interface in an embedded system, for example a MP3 player or a video camera? (speed not critical) What is the typical way to do this? On chip peripherals, external ...
3
votes
1answer
750 views

How to store more waveform after trigger and less before?

I have a Rigol DS1074Z and can't figure out how to lower the time the scope spends pre-sampling to open up more memory for the actual data I want to see. Here is a nice image that will hopefully ...
1
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1answer
68 views

Determine the output voltage of an integrated ciruit

I'm planning to use an HPA674A (bq25504 EVM) which is based on the bq25504 IC to connect a device (wsn) that works from 2-3.6V which is connected to the Vstor pin and the storage element is connected ...
5
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3answers
4k views

Storing household batteries [closed]

I am looking to ways to best store my miscellaneous batteries, which consists mostly of AAA/AA batteries (both alkaline and NiMH), a few Lithium batteries, and assorted button cells. I think I have ...
0
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2answers
129 views

Best temperature storage IC? EEPROM or SRAM IC

I am trying to integrate a temperature sensor along with the storage capability with it. Both temperature sensor and the storage device will be controlled by FPGA. Which device would be the most ...
4
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2answers
1k views

What are the most common data storage devices in small consumer electronics?

What are the standard ways of data storage in small consumer electronics (routers, phones, etc.)? For simple devices I guess microcontrolles with in-system programmable flash are enough, but for ...
2
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2answers
5k views

Is there any option to store AC voltage?

Almost every power plants produce Alternating current. It is not necessary that entire energy that they produced are consumed in real time. Does they have any option to store excess energy?
3
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3answers
285 views

What do you call this- ASIC or SOC?

I am new to the field of electronics engineering as I'm originally an electrical engineering graduate (Read Power Systems, machines and HV engineering) so I studied only 'basic electronics' in my ...
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2answers
745 views

Storage of lead-acid batteries

I need to store/conserve a sealed lead-acid battery (Bosch S4) for 9 months. There are two options I am considering: Leave battery disconnected and recharge before use. Charge with solar panel during ...
1
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1answer
144 views

Wi-Fi solution for network storage?

We are in the process of developing network storage with integrated Wi-Fi. Here we are facing problem. We have checked various solutions from Texas instruments and Microchip. But CC3000 from Texas ...