Questions tagged [storage]

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Switching between SD cards connected in parallel

I got an old device that uses an SD card that's not easily accessible since it's all in an enclosed box. It only has one slot. What I was intending to do was create a custom PCB and parallel the SD ...
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0 votes
1 answer
61 views

How to store bits asynchronously without clock resetting all bits?

I am working on a circuit that has 8 buttons that need to hold the value once pressed. I'm currently using a 8 bit flip flop (74LS273 in the diagram). The problem is that all bits get reset on the ...
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10 votes
9 answers
5k views

Best way to store very small amount of data?

I'm building a side project at the moment and I want to be able to store and retrieve a very small amount of data (10 kB tops). If the power is disconnected I want to be able to retain the data. I ...
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0 votes
1 answer
107 views

Do energy storage systems really improve the quality of the energy?

I know that an ESS (energy storage system) improve power quality issues avoiding interruptions, controlling the voltage and the frequency, injecting reactive power into the grid thanks to the ...
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0 votes
1 answer
59 views

Are IC rail tubes sufficient protection for ESD-safe storage?

I've ended up with a collection of spare IC chips and am wondering what lengths I need to take to store them properly with respect to ESD. Depending on their size they tend to come from the supplier ...
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1 vote
3 answers
445 views

What is the difference between "Storage Temp", "Ambient Temp" and "Operating Temp" mean?

To my understanding, ambient temperature is the temperature of the surrounding area while the unit being worked on is powered. While operating temperature is the temperature of the unit itself under ...
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1 vote
3 answers
133 views

Could static electricity from trading card binder pages damage SMD components?

I bought a trading card binder to hold SMD components. I chose it because its card-sized sleeves can hold more than just tape strips and also it has a zipper. However my concern is that the clear ...
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  • 11
0 votes
3 answers
124 views

Old tvs, how did storing settings work, and what changed in the tv when we tuned a channel?

I don't have an EE background, but I would like to understand some aspects of old TVs. When we tuned channel what exactly changed inside the tv. Was there a circuit card in the tv where something ...
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16 votes
4 answers
4k views

How do you store ICs used in hobby electronics?

I've recently started working on a project and I need to find a way to store some ICs that I'm using. I have around five different ICs and someone said I could just put them all together in a small ...
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0 votes
3 answers
108 views

What replaces SD card in industrial applications

I am using a SOM (something with Zynq 7000) that boots from an SD. While SD provides a lot of storage, i can't use it in industrial applications in a long term- it is not rated for temperature range ...
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1 vote
2 answers
189 views

Saving a voltage with ONLY analog components. Best idea?

I am challenging myself to create an analog voltage storage device. I came up with some ideas and I would like some inputs on what is bests and maybe new ones. Ideally, I could store a voltage in a ...
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0 votes
3 answers
330 views

Internal and external storage for a FPGA

I want to store at least 2Mbits on a FPGA. What is the normal practice for storing data on a FPGA internally? Also, if I wanted to store 4GBytes externally, how would I go about doing this? Is it ...
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2 votes
2 answers
806 views

Is there anyway to fit a breadboard into a 1.5 inch wide space?

I am working on a model rocket and want to add electrical parts to it via a breadboard inside. The space I have to work with is only about 40mm wide. Is there any kind of breadboard that can fit in ...
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1 vote
0 answers
116 views

How real an issue is static for hobbyists (Arduino etc.) for parts storage?

The parts I buy come in all kinds of packaging: Here we have a USB charger in a basic anti-static bag, Kapton tape and MOSFETs in ESD bags and a small development board in a plain plastic bag. I'm ...
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1 vote
1 answer
182 views

How can I build a circuit to drive a 12V solenoid from a 3V source, so up 3V to 12V by storing in capacitors, charge and discharge cycles?

No electronics background, noob, but I want to drive a small solenoid to cycle it everytime I push a button. I wanted to use 2 AA batteries in series as they fit the size of my project well. I will ...
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1 vote
1 answer
270 views

FAT filesytem and flash endurance

I am considering replacing a SD card in a tiny embedded system (Cortex M4 running a RTOS) by some kind of dedicated flash storage chip. However, I am worried about the chip's endurance. The embedded ...
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0 votes
1 answer
49 views

User controlled storage devices existence

Today's memory devices have a lot of logic embedded before data is actually written onto the NAND pages. An example could be wear levelling algorithm , FTL functionalities etc. The typical life of a ...
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  • 983
6 votes
1 answer
1k views

What is the effect on lithium ion batteries from long term storage in sub-freezing temperatures?

I am designing an off-grid power system for a mountain cabin that is not used in the winter. The ambient temperature can get as low as -20deg F (-29deg C) during the winter. Due to snow and other ...
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2 votes
1 answer
183 views

Storing solar panels in direct sun

What is the best way to store solar panels when not hooked to a charge controller in direct sun? I was thinking about hooking each panels pos and neg mc4 connectors to itself so it will not be ...
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1 vote
0 answers
65 views

Capacitor Storage Circuit Having Lower Voltage Than the Simulation

I designed a circuit to store a pulse of 8 volts and duration of 40 micro seconds. When I simulated the circuit it reached 3.5 volts and discharged.The circuit and the simulation is given below; In ...
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2 votes
4 answers
192 views

Capacitor Selection for high voltage

I have a circuit which has about 10 kilovolts input and I want to store that voltage on a capacitor. I calculated and drew the circuit but I am now using an 18 nano farad capacitor at the end. I ...
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3 votes
2 answers
106 views

Charging a capacitor with a ferromagnetic generator

I am doing my internship and the company is making a ferromagnetic generator which indeed uses magnetic transition to create a flux and finally EMF. I am assigned to design a circuit which takes the ...
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2 votes
2 answers
247 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' ...
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11 votes
1 answer
1k 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 ...
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0 votes
1 answer
123 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 ...
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1 vote
1 answer
54 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 ...
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2 votes
1 answer
863 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 ...
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1 vote
1 answer
698 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 ...
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0 votes
1 answer
6k 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-...
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  • 993
2 votes
1 answer
304 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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  • 157
0 votes
2 answers
837 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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6 votes
2 answers
2k 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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0 votes
2 answers
519 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 ...
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4 votes
2 answers
1k 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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1 vote
1 answer
654 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 ...
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0 votes
1 answer
150 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 ...
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3 votes
2 answers
472 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 ...
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  • 327
3 votes
1 answer
207 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 ...
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  • 1,150
0 votes
1 answer
63 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 ...
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  • 836
9 votes
3 answers
2k 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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  • 1,569
1 vote
2 answers
110 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 ...
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7 votes
3 answers
2k 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 ...
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1 vote
1 answer
178 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 ...
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  • 1,114
0 votes
2 answers
96 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 ...
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0 votes
1 answer
349 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 ...
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0 votes
3 answers
112 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 ...
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1 vote
1 answer
983 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 ...
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3 votes
1 answer
199 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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1 vote
3 answers
1k 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 ...
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  • 113
1 vote
1 answer
482 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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