#eeprom — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #eeprom, aggregated by home.social.
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Форвард-М. Странный домофон со странными функциями
Приветствую всех! Пожалуй, самыми странными среди домофонов являются не какие-то раритетные экземпляры с оптическими или магнитными ключами, а «локальные» модели, выпускавшиеся одним предприятием для одного города или региона. В самом деле, столь странных конструктивных решений, какие встречаются там, порой не встретить больше нигде. Про пару таких девайсов я уже рассказывал, и вот ко мне попал очередной — некий «Форвард» весьма странного вида и с не менее странной схемотехникой. Итак, в сегодняшней статье посмотрим на один из самых распространённых в Сибири домофонов. Заодно узнаем, зачем в нём RTC и батарейка, как его оживить и что ещё отличает его от привычных нам экземпляров. Традиционно будет много интересного. Press F1 to continue
https://habr.com/ru/companies/timeweb/articles/1033864/
#timeweb_статьи #домофон #rtc #eeprom #atmel #программатор #hexредактор #коммутатор #atmega32 #видеокамера
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Форвард-М. Странный домофон со странными функциями
Приветствую всех! Пожалуй, самыми странными среди домофонов являются не какие-то раритетные экземпляры с оптическими или магнитными ключами, а «локальные» модели, выпускавшиеся одним предприятием для одного города или региона. В самом деле, столь странных конструктивных решений, какие встречаются там, порой не встретить больше нигде. Про пару таких девайсов я уже рассказывал, и вот ко мне попал очередной — некий «Форвард» весьма странного вида и с не менее странной схемотехникой. Итак, в сегодняшней статье посмотрим на один из самых распространённых в Сибири домофонов. Заодно узнаем, зачем в нём RTC и батарейка, как его оживить и что ещё отличает его от привычных нам экземпляров. Традиционно будет много интересного. Press F1 to continue
https://habr.com/ru/companies/timeweb/articles/1033864/
#timeweb_статьи #домофон #rtc #eeprom #atmel #программатор #hexредактор #коммутатор #atmega32 #видеокамера
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Форвард-М. Странный домофон со странными функциями
Приветствую всех! Пожалуй, самыми странными среди домофонов являются не какие-то раритетные экземпляры с оптическими или магнитными ключами, а «локальные» модели, выпускавшиеся одним предприятием для одного города или региона. В самом деле, столь странных конструктивных решений, какие встречаются там, порой не встретить больше нигде. Про пару таких девайсов я уже рассказывал, и вот ко мне попал очередной — некий «Форвард» весьма странного вида и с не менее странной схемотехникой. Итак, в сегодняшней статье посмотрим на один из самых распространённых в Сибири домофонов. Заодно узнаем, зачем в нём RTC и батарейка, как его оживить и что ещё отличает его от привычных нам экземпляров. Традиционно будет много интересного. Press F1 to continue
https://habr.com/ru/companies/timeweb/articles/1033864/
#timeweb_статьи #домофон #rtc #eeprom #atmel #программатор #hexредактор #коммутатор #atmega32 #видеокамера
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Форвард-М. Странный домофон со странными функциями
Приветствую всех! Пожалуй, самыми странными среди домофонов являются не какие-то раритетные экземпляры с оптическими или магнитными ключами, а «локальные» модели, выпускавшиеся одним предприятием для одного города или региона. В самом деле, столь странных конструктивных решений, какие встречаются там, порой не встретить больше нигде. Про пару таких девайсов я уже рассказывал, и вот ко мне попал очередной — некий «Форвард» весьма странного вида и с не менее странной схемотехникой. Итак, в сегодняшней статье посмотрим на один из самых распространённых в Сибири домофонов. Заодно узнаем, зачем в нём RTC и батарейка, как его оживить и что ещё отличает его от привычных нам экземпляров. Традиционно будет много интересного. Press F1 to continue
https://habr.com/ru/companies/timeweb/articles/1033864/
#timeweb_статьи #домофон #rtc #eeprom #atmel #программатор #hexредактор #коммутатор #atmega32 #видеокамера
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HOWTO I2C EEPROM - STM32 Tutorial #86
This video will cover using I2C EEPROM's such as the M24M01 or M24Cxx. We will cover the I2C setup and configuration as well as the M24Cxx library. Finally we will be putting an actual file system (LittleFS) on top of the library.
#STM32 #GettingStarted #Tutorial #STM32CubeMX #STM32CubeIDE #I2C #EEPROM #M24Cxx
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HOWTO I2C EEPROM - STM32 Tutorial #86
This video will cover using I2C EEPROM's such as the M24M01 or M24Cxx. We will cover the I2C setup and configuration as well as the M24Cxx library. Finally we will be putting an actual file system (LittleFS) on top of the library.
#STM32 #GettingStarted #Tutorial #STM32CubeMX #STM32CubeIDE #I2C #EEPROM #M24Cxx
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HOWTO I2C EEPROM - STM32 Tutorial #86
This video will cover using I2C EEPROM's such as the M24M01 or M24Cxx. We will cover the I2C setup and configuration as well as the M24Cxx library. Finally we will be putting an actual file system (LittleFS) on top of the library.
#STM32 #GettingStarted #Tutorial #STM32CubeMX #STM32CubeIDE #I2C #EEPROM #M24Cxx
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HOWTO I2C EEPROM - STM32 Tutorial #86
This video will cover using I2C EEPROM's such as the M24M01 or M24Cxx. We will cover the I2C setup and configuration as well as the M24Cxx library. Finally we will be putting an actual file system (LittleFS) on top of the library.
#STM32 #GettingStarted #Tutorial #STM32CubeMX #STM32CubeIDE #I2C #EEPROM #M24Cxx
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HOWTO I2C EEPROM - STM32 Tutorial #86
This video will cover using I2C EEPROM's such as the M24M01 or M24Cxx. We will cover the I2C setup and configuration as well as the M24Cxx library. Finally we will be putting an actual file system (LittleFS) on top of the library.
#STM32 #GettingStarted #Tutorial #STM32CubeMX #STM32CubeIDE #I2C #EEPROM #M24Cxx
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Histoire d’une migration Linux empêchée par un BIOS bugué
https://gebull.org/2026/histoire-dune-migration-linux-empechee-par-un-bios/Une rencontre inattendue entre un ordinateur portable Lenovo Idéapad 110-17ACL, son couple de propriétaires et un petit GULL (Groupe d’Utilisateur de Logiciel Libre) de province, tous déterminés à migrer la machine vers un système d’exploitation GNU/Linux…
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Histoire d’une migration Linux empêchée par un BIOS bugué
https://gebull.org/2026/histoire-dune-migration-linux-empechee-par-un-bios/Une rencontre inattendue entre un ordinateur portable Lenovo Idéapad 110-17ACL, son couple de propriétaires et un petit GULL (Groupe d’Utilisateur de Logiciel Libre) de province, tous déterminés à migrer la machine vers un système d’exploitation GNU/Linux…
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Histoire d’une migration Linux empêchée par un BIOS bugué
https://gebull.org/2026/histoire-dune-migration-linux-empechee-par-un-bios/Une rencontre inattendue entre un ordinateur portable Lenovo Idéapad 110-17ACL, son couple de propriétaires et un petit GULL (Groupe d’Utilisateur de Logiciel Libre) de province, tous déterminés à migrer la machine vers un système d’exploitation GNU/Linux…
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Histoire d’une migration Linux empêchée par un BIOS bugué
https://gebull.org/2026/histoire-dune-migration-linux-empechee-par-un-bios/Une rencontre inattendue entre un ordinateur portable Lenovo Idéapad 110-17ACL, son couple de propriétaires et un petit GULL (Groupe d’Utilisateur de Logiciel Libre) de province, tous déterminés à migrer la machine vers un système d’exploitation GNU/Linux…
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Steady Hand EEPROM Programmer
https://piefed.world/c/electronics/p/1038881/steady-hand-eeprom-programmer
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Steady Hand EEPROM Programmer
After about 6 months, my project is finally complete. It’s the first significant circuit that I’ve designed myself, rather than just implementing someone else’s design:
https://codeberg.org/interrupt_tv/steadyhand
Steady Hand is a digital circuit for programming EEPROMs by hand. It’s inspired by this video by Ben Eater, where he creates a circuit for programming an EEPROM using DIP switches and jumper wires. Steady Hand is much more ergonomic than his design, though it is somewhat more complex.
While Ben Eater provides the “how” inspiration, the “why” inspiration comes from Jeremiah Orians’ stage0 project, and the general concept of bootstrapping: creating a computer software environment from nothing. When building a homebrew computer, one would typically use a significantly more complex modern computer to write the homebrew computer’s software to an EEPROM. I created Steady Hand as a first step towards resolving this problem.
After I’d wired everything up, I was a little afraid something would melt when I plugged it in. While the schematic is separated into smaller modules, the breadboard layout ended up being pretty monolithic. I didn’t do any testing as I was assembling it, so it seemed likely there would be a mistake somewhere. No magic smoke escaped though, and it mostly worked on the first try. There were a few bugs:
The address display was connected backwards, with the most significant digit on the right instead of the left. Easy enough to fix, but the relevant wires were no longer the right lengths to neatly reach their connection points. This trend continued as I had to do further circuit surgeries, leaving things messier than I’d like.
The auto-skip function would cycle endlessly if the byte value to skip matched what was in the write registers. The write registers’ output lines are connected to the EEPROM’s I/O lines in order to be able to write to it. The comparator is also connected to these so that it can compare the EEPROM’s output to the skip value. When it’s time for the multiplexed display to show one of the write nibbles, the EEPROM’s output is disabled and the write registers’ output enabled. This meant that the comparator would now be comparing with the write value instead of the value read from the EEPROM, and would give the signal to skip to the next address.
Disabling the comparator when it’s getting invalid input would have required some additional logic, and at the time I didn’t have any extra gates available. I solved this by using one of the display digit enable lines as the auto-skip function’s clock signal, instead of having it hooked directly to the clock. This ensured that the rising edge would only occur when the comparator had a valid input.
After writing a byte or when auto-skipping past a large number of addresses, the EEPROM would occasionally output
FFinstead of the byte that was actually stored at that address. It wouldn’t do this with any kind of consistency, but theFFwould persist until the address was changed. I thought this was a power issue, but no combination of decoupling capacitors or pull-up resistors would make it go away. After wrestling with it for a long time, I eventually concluded that the AT28C256 just doesn’t like being always enabled. Once I added proper logic to control both the output enable and chip enable lines, the problem went away.
Since I needed at least one more logic IC to solve that last bug, I decided to add a 74HC7266 quad XNOR IC. This allowed me to add a search function alongside the auto-skip function, by just using an XNOR gate to invert the comparator’s output.
I used dupont cables to group related signal lines together, but I’m not sure how I feel about them now. I thought that they’d result in a cleaner layout than if I’d used several additional layers of solid core wire, but I still ended up with a rat’s nest. That was likely inevitable with how densely packed the components are. If I were to redo everything, I’d probably spread them out onto more boards, group them into individual modules, and allow for more redundancy in the glue logic.
Still, I’m happy with how the project turned out overall, and that I can now move onto the next one.
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Steady Hand EEPROM Programmer
https://piefed.world/c/electronics/p/1038881/steady-hand-eeprom-programmer
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Steady Hand EEPROM Programmer
After about 6 months, my project is finally complete. It’s the first significant circuit that I’ve designed myself, rather than just implementing someone else’s design:
https://codeberg.org/interrupt_tv/steadyhand
Steady Hand is a digital circuit for programming EEPROMs by hand. It’s inspired by this video by Ben Eater, where he creates a circuit for programming an EEPROM using DIP switches and jumper wires. Steady Hand is much more ergonomic than his design, though it is somewhat more complex.
While Ben Eater provides the “how” inspiration, the “why” inspiration comes from Jeremiah Orians’ stage0 project, and the general concept of bootstrapping: creating a computer software environment from nothing. When building a homebrew computer, one would typically use a significantly more complex modern computer to write the homebrew computer’s software to an EEPROM. I created Steady Hand as a first step towards resolving this problem.
After I’d wired everything up, I was a little afraid something would melt when I plugged it in. While the schematic is separated into smaller modules, the breadboard layout ended up being pretty monolithic. I didn’t do any testing as I was assembling it, so it seemed likely there would be a mistake somewhere. No magic smoke escaped though, and it mostly worked on the first try. There were a few bugs:
The address display was connected backwards, with the most significant digit on the right instead of the left. Easy enough to fix, but the relevant wires were no longer the right lengths to neatly reach their connection points. This trend continued as I had to do further circuit surgeries, leaving things messier than I’d like.
The auto-skip function would cycle endlessly if the byte value to skip matched what was in the write registers. The write registers’ output lines are connected to the EEPROM’s I/O lines in order to be able to write to it. The comparator is also connected to these so that it can compare the EEPROM’s output to the skip value. When it’s time for the multiplexed display to show one of the write nibbles, the EEPROM’s output is disabled and the write registers’ output enabled. This meant that the comparator would now be comparing with the write value instead of the value read from the EEPROM, and would give the signal to skip to the next address.
Disabling the comparator when it’s getting invalid input would have required some additional logic, and at the time I didn’t have any extra gates available. I solved this by using one of the display digit enable lines as the auto-skip function’s clock signal, instead of having it hooked directly to the clock. This ensured that the rising edge would only occur when the comparator had a valid input.
After writing a byte or when auto-skipping past a large number of addresses, the EEPROM would occasionally output
FFinstead of the byte that was actually stored at that address. It wouldn’t do this with any kind of consistency, but theFFwould persist until the address was changed. I thought this was a power issue, but no combination of decoupling capacitors or pull-up resistors would make it go away. After wrestling with it for a long time, I eventually concluded that the AT28C256 just doesn’t like being always enabled. Once I added proper logic to control both the output enable and chip enable lines, the problem went away.
Since I needed at least one more logic IC to solve that last bug, I decided to add a 74HC7266 quad XNOR IC. This allowed me to add a search function alongside the auto-skip function, by just using an XNOR gate to invert the comparator’s output.
I used dupont cables to group related signal lines together, but I’m not sure how I feel about them now. I thought that they’d result in a cleaner layout than if I’d used several additional layers of solid core wire, but I still ended up with a rat’s nest. That was likely inevitable with how densely packed the components are. If I were to redo everything, I’d probably spread them out onto more boards, group them into individual modules, and allow for more redundancy in the glue logic.
Still, I’m happy with how the project turned out overall, and that I can now move onto the next one.
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Steady Hand EEPROM Programmer
https://piefed.world/c/electronics/p/1038881/steady-hand-eeprom-programmer
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Обзор учебно-тренировочной электронной платы JZ-F407VET6
В этой заметке я произвел обзор учебно-треннировочной электронной платы JZ-F407VET6. Это простая и дешевая PCB часто выручает при прототипировании и отладке программных компонентов.
https://habr.com/ru/articles/988494/
#JZF407VET6 #USB #can #RS485 #100BASETX #10BASETX #DP83848IVV #STM32F407VE #EEPROM #spiflash
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Stuffing a 32-Pin Chip Into a 28-Pin Socket - What’s the difference between a 64k ROM in a 28-pin DIP and a 128k ROM in a 32-pin... - https://hackaday.com/2023/08/13/stuffing-a-32-pin-chip-into-a-28-pin-socket/ #retrocomputing #39sf010 #pull-up #27c512 #65uino #eeprom #bodge #flash #rom
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DAC, AEC или оптика — какие ваши доказательства, господин трансивер?
Привет, Хабр! Меня зовут Андрей, я старший инженер по разработке ПО
https://habr.com/ru/companies/yadro/articles/991734/
#трансиверы #коммутаторы #python #sfp #qsfp #eeprom #сетевые_технологии #сетевое_оборудование #сетевая_инфраструктура #разработка_по
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Sometimes my #hacking #bricks things. I bricked this #SATA-RAID box a while back with a bad #flash and finally decided to attack the #EEPROM directly with this cheap little programmer kit. Alas - I #unbricked it!
This is full of 4x 1TB #Velociraptor HDDs. I originally built it to mess around with Chia plotting. Heh, another waste of time that was but I have fun regardless.
I might install Windows on it via VMWare or something for shitz and gigglez
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Switching Converter for EEPROM Programmer Taxes Solderless Breadboard - We all know that solderless breadboards have their limitations. All that stray cap... - https://hackaday.com/2023/12/08/switching-converter-for-eeprom-programmer-taxes-solderless-breadboard/ #boostconverter #programming #breadboard #solderless #switching #burner #eeprom #parts #rom
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Developing a #Python application for a #RaspberryPi. Need to write to an #EEPROM to update some state information without human intervention.
Unless there's some way I've missed to make the files for all 1-wire devices (dynamically added at runtime) more open than root:root / rw-r--r--, I'm going to need root access just so I can write this data.
It's made me think about writing some C for the first time in 30 years, just a short #program that only accepts two parameters: the EEPROM id and the data I want to write. That way I can limit additional #root access to suid on a very restricted tool.
Is this just stupid? Obviously, I can add myself with NOPASSWORD to /etc/sudoers and go about my life. The device has nothing insecure on it, so I can't see any harm from doing the sloppy thing. But it still feels wrong.
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I wrote a blog post on my 6502 build!
https://pyramidschematics.cc/electronics/2025/12/23/6502.html
I wanted to try something new and see how far I could push perfboard before it starts looking too messy. Feedback is more than welcome please :) Enjoy!
#6502 #retro #electronics #diy #eeprom
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Программатор ROM на Arduino за вечер
В ходе изучения данной стати вы узнаете: как создавать устройства на базе ардуино, как читать и применять документацию на микросхемы, как принимать стратегические решения в рамках установленной задачи, как работать с ROM памятью, как использовать доступные ресурсы максимально эффективно в установленных рамках, как собирать полезные устройства на макетке и многое другое, приятного чтения. Задача: есть микросхема памяти ROM 27С512 емкостью 512 бит или 64 Кбайта, в нее нужно прошить готовый дамп размером 16 Кбайт, понадобится нам такой ROM с дампом
https://habr.com/ru/articles/974162/
#27С512 #rom #Programmator #программатор #ардуино #arduino #flash #ZX #spectrum #eeprom
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Déverrouillage d'un #Chromebook par ré-écriture du #BIOS
https://linuxfr.org/users/pulkomandy/journaux/deverrouillage-d-un-chromebookLe programmeur est fourni avec une pince qui se clipse sur le composant. Grâce à ça, on peut lire le contenu de l' #EEPROM. Le programmeur fonctionne avec l'outil @flashrom sous Linux sans aucun problème.
Poke @GEBULL #Endof10 #EndofChrome
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How to Use the AT24C32 EEPROM for 4KB External Memory for Microcontrollers https://hackaday.com/2025/09/08/how-to-use-the-at24c32-eeprom-for-4kb-external-memory-for-microcontrollers/ #Microcontrollers #hardware #AT24C32 #eeprom #i2c
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How to Use the AT24C32 EEPROM for 4KB External Memory for Microcontrollers - Over on YouTube [Electronic Wizard] explains how to use the AT24C32 EEPROM for ext... - https://hackaday.com/2025/09/08/how-to-use-the-at24c32-eeprom-for-4kb-external-memory-for-microcontrollers/ #microcontrollers #hardware #at24c32 #eeprom #i2c
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Designing a CPU with only Memory Chips - Building a simple 8-bit computer is a great way to understand computing fundament... - https://hackaday.com/2025/07/11/designing-a-cpu-with-only-memory-chips/ #retrocomputing #8-bitcomputers #cpudesign #8-bitcpu #eeprom #eprom #cpu
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A quick question for those with experience: Can someone tell me which file in #RomWBW controls which ROMs are subsequently written to the #EEPROM? I mean the ones listed with "L." I'd like to remove some operating systems and store compilers instead.
#RetroComputing #ZilogZ180 -
Hier soir à @GEBULL : une séance presque ordinaire d'un groupe d'utilisateurs de #Linux en province…
On a dessoudé un BIOS de laptop HS donné par l'hôpital de la ville d'à côté, reprogrammé cette EEPROM, ressoudé la chose et redémarré la machine ! Pas si compliquée cette réparation 🙂
Pour remettre un système d'exploitation sur la machine on a utilisé un nouveau gadget : un stockage NVME dans un adaptateur USB.
En choisissant le bon port USB, la machine démarre plus vite en live que depuis son SSD SATA interne une fois l'installation terminée !! (en un temps record)Les temps changent…
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Nachbau des DELA EPROMMER II für den Commodore C64
Diesmal habe ich meinen alten DELA EPROMMER II wieder aufgebaut. Das war damals mein zweites EPROM-Programmiergerät, mit dem ich eine Menge EPROMs geschrieben habe. Und ich fand, dass sich ein Nachbau dieser Erweiterung lohnt, zumal immer noch viele die EPROMs direkt mit dem C6…
#c64 #commodore #DELA #EEPROM #EPROM #Hidden #Menu #Programmer #Replica #Service #Software #Test #Userport
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Обзор Чипа Внешней I2C Памяти AT24Cхх
AT24C02M5/TR это EEPROM на 256 байт с доступом по двухпроводному проводному синхронному последовательному интерфейсу I2C. В разработке электронных плат часто надо подписывать электронные платы каким-то серийным номером. Это нужно для идентификации платы при серийном производстве. Внешние чипы памяти особенно важны так как прошивку могут полностью стереть. В связи с этим хранить серийный номер на микроконтроллере внутри on-chip NOR-Flash самого микроконтроллера ненадежно.
https://habr.com/ru/articles/774624/
#eeprom #i2c #AT24C02 #AT24CXX #ASIC #I2CEEPROM #teraterm #UARTCLI #saleae
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I wrote a very stupid and ugly #z80 #assembly to try it (I'm sure it is filled of errors and I will need a lot of debugging with the #logicprobe), but I could not write it to the #EEPROM . The #minipro errors out while checking the first byte after writing it. That's strange, because I'm using the same programmer and the same eeprom chip as before, and always worked. But in the meanwhile I changed computer, operating system and USB cable, so... troubleshooting time! Yay! 🙄 -
New video! I'm taking a look inside my very inexpensive EPROM eraser and I'm making some modifications.
YouTube: https://youtu.be/BN1Y0NIqM60
PeerTube: https://makertube.net/w/eiXyGku3QcaifmyeUyAysg#EPROM #EPROMeraser #Mods #Repair #Improvement #UVlight #EEPROM #UVEPROM
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Sauvetage de données scientifiques ornithologiques https://gebull.org/comment-gebull-a-contribue-a-une-etude-scientifique/ #GEBULL #Bressuire #Niort #outarde #BirdTracking #EEPROM #ornithologie
Ou comment une petite association des #deuxsèvres a fait ce que le constructeur d'une balise à 5000 € annonçait comme impossible…
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Progress!
I've got a basic #emulator working for my #Pat80 #homebrew #zilog #z80 #computer !
This should ease the os development as I can test the changes without having to: remove the #eeprom from the computer (without bending the pins), program it in the #TL866 programmer, place it again on the computer (aligning pins correctly), test, notice it's not working and have no idea why, start debugging with the logic probe on the #address and #data pins, swear in arcane languages... 😅
https://git.ichibi.eu/penguin86/pato-z80-home-computer/commits/branch/c-emulator -
Erasing EEPROMs isn’t Always as Easy as it Seems - When is 14 volts not actually 14 volts? Given [Anders Nielsen]’s recent struggles ... - https://hackaday.com/2024/01/20/erasing-eeproms-isnt-always-as-easy-as-it-seems/ #retrocomputing #switching #27c512 #2n3904 #2n3906 #eeprom #parts #retro #bjt
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NVRAM из EEPROM
Дана функция чтения и записи EEPROM dword. Запись и стирание возможно только по выровненному адресу и пословно. Надо поверх EEPROM API сделать функцию чтения, записи и стирания для произвольных массивов байт, по произвольному адресу (NVRAM). Простыми словами надо состыковать Dword API с Byte API. В этом тексте я представил простой наивный алгоритм решения данной задачи.
https://habr.com/ru/articles/815639/
#eeprom #NVRAM #flash #память #файловые_системы #объединения #union #lazy_write #API #littleendian
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Sauver des données embarquées à dos d'outarde
https://linuxfr.org/users/siltaar/journaux/sauver-des-donnees-embarquee-a-dos-d-outardeOu comment l'association @GEBULL, petit GUL de province, a contribué à une étude scientifique.
À la fin du mois de novembre 2021, une balise de suivi d’oiseau nous a été confiée par le Groupe Ornithologique des Deux-Sèvres. Muette depuis 4 ans sur le dos d’une outarde canepetière, perdue pour la science mais recapturée dernièrement, nous avions pour consigne d’en extraire coûte que coûte les dernières données relevées.
#LinuxFr #GUL #GODS #BassinesnonMerci #embarqué #ornithologie #regex #vim #sciences #récupération #gps #zigbee #josm #osm #eeprom #TotOutarde
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Erasing EEPROMs isn’t Always as Easy as it Seems - When is 14 volts not actually 14 volts? Given [Anders Nielsen]’s recent struggles ... - https://hackaday.com/2024/01/20/erasing-eeproms-isnt-always-as-easy-as-it-seems/ #retrocomputing #switching #27c512 #2n3904 #2n3906 #eeprom #parts #retro #bjt
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Erasing EEPROMs isn’t Always as Easy as it Seems - When is 14 volts not actually 14 volts? Given [Anders Nielsen]’s recent struggles ... - https://hackaday.com/2024/01/20/erasing-eeproms-isnt-always-as-easy-as-it-seems/ #retrocomputing #switching #27c512 #2n3904 #2n3906 #eeprom #parts #retro #bjt
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Erasing EEPROMs isn’t Always as Easy as it Seems - When is 14 volts not actually 14 volts? Given [Anders Nielsen]’s recent struggles ... - https://hackaday.com/2024/01/20/erasing-eeproms-isnt-always-as-easy-as-it-seems/ #retrocomputing #switching #27c512 #2n3904 #2n3906 #eeprom #parts #retro #bjt
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Erasing EEPROMs isn’t Always as Easy as it Seems - When is 14 volts not actually 14 volts? Given [Anders Nielsen]’s recent struggles ... - https://hackaday.com/2024/01/20/erasing-eeproms-isnt-always-as-easy-as-it-seems/ #retrocomputing #switching #27c512 #2n3904 #2n3906 #eeprom #parts #retro #bjt
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Оживляем автоинформатор из подмосковного автобуса
Приветствую всех! Так уж вышло, что при наличии у меня немалого количества артефактов из мира транспорта, у меня до сих пор не было той штуки, с которой у многих ассоциируется этот самый транспорт, — той самой коробочки, благодаря которой мы слышим легендарное «Осторожно, двери закрываются». Ну что же, самое время восполнить это упущение. Итак, в сегодняшней статье поговорим об одном из первых массовых отечественных автоинформаторов. Узнаем, как работала эта штука и какие неожиданные технологические решения есть внутри. Традиционно будет много интересного.
https://habr.com/ru/companies/timeweb/articles/791138/
#timeweb_статьи #информатор #селена #автобус #мосгортранс #atmega #цап #avr #rs485 #uart #1602 #lm2576 #nor_flash #eeprom
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How Do You Test If An EEPROM Can Hold Data For 100 Years? - Data retention is a funny thing. Atmel will gladly tell you that the flash memory ... - https://hackaday.com/2023/12/21/how-do-you-test-if-an-eeprom-can-hold-data-for-100-years/ #acceleratedaging #flashstorage #engineering #originalart #featured #hardware #eeprom #flash
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Dead EEPROM Dumped With Help Of Body Diodes - [Jason P], evidently an enjoyer of old reliable laser printing tech, spilled a dri... - https://hackaday.com/2022/08/26/dead-eeprom-dumped-with-help-of-body-diodes/ #datarecovery #repairhacks #bodydiode #hardware #esddiode #eeprom
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Game Cartridges And The Technology To Make Data Last Forever - Game cartridges are perhaps the hardiest of all common storage schemes. Short of blunt traumatic for... - https://hackaday.com/2020/12/03/game-cartridges-and-the-technology-to-make-data-last-forever/ #hackadaycolumns #dataretention #engineering #originalart #datastorage #hardware #maskrom #eeprom #mrom #prom
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why do i keep getting this error:
No EEPROM/flash device found.
Note: flashrom can never write if the flash chip isn't found automatically.I swear I've connected everything properly and even supplied the router with power, as well as supplying the #CH341A programmer with ample voltage, and yet even after switching connectors, it won't work with me.
Either I need a reboot, a universal programmer, a better probe, or I need to read the manual more.
this already reminds me of my first days with #voidlinux.