Refer to devices with scarcity of resources (energy, memory, cpu power, ...). It gather any consumer electronics (radio receivers, television sets, MP3 players, video recorders, DVD players, digital cameras, camcorders, personal computers, video game consoles, telephones and mobile phones, tablets).
Questions tagged [embedded]
111 questions
17
votes
4 answers
How do I get the location of the original audio/video file embedded on a webpage?
Some sites like The Free Dictionary, and many other translation and pronunciation services, offers a little icon next to the word so you could hear its pronunciation.
How can I figure out the source for an audio\video embedded file on a webpage?…
H0ward R0ark
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7
votes
2 answers
Why would copying a micro SD card using dd fail to produce a bootable card?
I have an embedded device which is loosely based around a Olinixino iMX233 design. This has a Freescale iMX233 microprocessor and boots from a socketed 2GB microSD card.
I wish to alter the filesystem, but also backup the filesystem prior to…
Cybergibbons
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4
votes
1 answer
Help editing & repacking (repackaging) .img wi-fi camera firmware
I've been playing around with a cheapish ($15 on sale @ Wal-Mart) WiFi camera. It has a UART port which drops me into a shell from which I can launch telnetd and login easily. However, even though the filesystem is mounted readwrite, when I edit…
justin
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3
votes
1 answer
How does U-Boot get from this environment to booting Linux?
I'm trying to gain a root access to my ZTE F680 router. I already have a serial connection and able to interrupt the U-Boot autoboot. The problem I'm having is understanding how given the following environment, is U-Boot able to boot Linux whereas…
suda
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2
votes
1 answer
When reverse engineering a piece of electronics that uses a "chip on board", what are some good resources for finding out what the chip is?
Example: I have an old digital organizer, a Royal DS 2260.
I want to find out what SoC it uses. Numbers marked on the PCB are just repeats of the model number or don't lead to anything, and I don't want to decap the IC as that would be destructive…
qwerty keyboard
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1
vote
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8 bit CRC help - Automotive
Reverse engineering some Automotive CAN data and the CRC is getting me.
8 bytes per message, with Byte 0 being the CRC.
Byte 1 & 0xF contains a counter [0x0 to 0xF]. The rest of the message is data.
I've tried running lines of data through various…
danielrselias
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0
votes
1 answer
Got root on IP camera, but init.d overwritten at boot. How to start telnetd at launch?
I've got a root shell via UART serial connection to an IP Camera that I've been playing with. Similar device is seen here: https://www.exploitee.rs/index.php/Belkin_NetCam_HD%2B
It's got busybox with telnetd, so once I run telnetd, I can get into…
justin
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-1
votes
1 answer
How to read RAM of embedded system?
I have working device, that operates with RAM (random access memory). I want to grab RAM dump. I think it must be a hardware option. Is there a way to do this? Maybe anybody have some expirience?
Oomph Sonar
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