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Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.

There are 12253 threads in our archives.

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The threads with the newest articles are listed first.

Negative Voltage Load Switch [4 replies]

Posted by Al Clark - 6 hours ago

I have an application where I want to turn on a bipolar +/-15 volt supply from 3.3V. The supply already exists, I am disconnecting a part of a circuit to save power during an idle state. Inte...Negative Voltage Load Switch

Thread based software architecture vs Process based software architecture [10 replies]

Posted by Karthik Balaguru - 13 hours ago

Hi, Have few queries on the best possible software architecture. Processes are heavy weight and they appear to occupy more memory, more time= to create/start, increased latency during context sw...Thread based software architecture vs Process based software architecture

SD card and FAT32 (dosfs and fat_io) [2 replies]

Started by John Speth 1 day ago

Hi folks, I need to utilize a known-to-work FAT16/32 library for reading SD cards. I'm seeing peculiar boot record data that doesn't make any sense to me. I'm hoping somebody here has preced...SD card and FAT32 (dosfs and fat_io)

Intel Atom: pros/cons/hazzards? [208 replies]

Posted by Don Y - 3 days ago

Hi, I've rescued a couple of Atom-based SBC's. Essentially diskless workstations. Am I correct in assuming these are just "yet-another-x86"? Are there any downsides/upsides/proble...Intel Atom:  pros/cons/hazzards?

Memory module identification [27 replies]

Posted by Don Y - 4 days ago

Hi, I regularly have to sort through a fair number of memory modules (DIMMs, SO-DIMMs, etc.). All (?) of these have serial ROMs that indicate applicable parameters for the module. Most are cry...Memory module identification

mac addresses [10 replies]

Posted by John Larkin - 5 days ago

Anybody got a small block of mac addresses for sale? -- John Larkin Highland Technology, Inc jlarkin att highlandtechnology dott com http://www.highlandtechnology.com ...mac addresses

4.3"-5" TFT display suggestions [3 replies]

Posted by pozzugno - 5 days ago

It's difficult to find a read-to-use 4.3"-5" tablet/photoframe/panel PC/others at low-cost (50USD) for quantity (1k-5kpcs) that is hackable with a custom firmware/software for my applica...4.3"-5" TFT display suggestions

OT: Hackintosh [29 replies]

Posted by Don Y - 5 days ago

Hi, Neighbor was "taking delight" in showing me his new Mac, tonight. Having not used one since '040 days, I am relatively clueless as to its abilities, etc. Nor am I eager to "...OT: Hackintosh

Arm Cortex-M7 - still single precision FPU [18 replies]

Posted by Dave Nadler - 6 days ago

Looks like ARM has not moved to double-precision yet with M7. ST announced M7 parts that look really impressive except for this issue, and claims to have preview parts available. Wonder why still s...Arm Cortex-M7 - still single precision FPU

Equipment donation valuations [9 replies]

Posted by Don Y - 7 days ago

Hi, I've been downsizing and donating a fair bit of test equipment to local schools, etc. Usually, all you get by way of a "receipt" is an acknowledgement of your donation. No "v...Equipment donation valuations

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