John Kelley
@johnhedge.bsky.social
Father, maker, reverse engineer. Embedded veteran.
Doing stealthy startup things.
Doing stealthy startup things.
I love that little turn of phrase “slices of raspberry pi” 👏
June 12, 2025 at 1:36 PM
I love that little turn of phrase “slices of raspberry pi” 👏
Here’s a service manual for PS-50Q7HD which may offer some insights www.manualslib.com/manual/12714...
First Checklist For Troubleshooting - Samsung PS-50Q7HD Service Manual [Page 94]
Samsung PS-50Q7HD Manual Online: First Checklist For Troubleshooting. 1. Check the various cable connections first. - Check to see if there is a burnt or damaged cable. - Check to see if there is a di...
www.manualslib.com
April 18, 2025 at 8:57 PM
Here’s a service manual for PS-50Q7HD which may offer some insights www.manualslib.com/manual/12714...
How are you planning to mechanically connect them?
January 20, 2025 at 2:46 PM
How are you planning to mechanically connect them?
They state “various reasons”, one of which appears to be the $2/mo fee to use the device which is managed through devices.usb7.net
December 18, 2024 at 7:42 PM
They state “various reasons”, one of which appears to be the $2/mo fee to use the device which is managed through devices.usb7.net
On the more complex end of the spectrum, Bunnie’s projects like Novena, NeTV2, and Precursor immediately come to mind
www.kosagi.com/w/index.php?...
kosagi.com/netv_hardware/
github.com/betrusted-io...
www.kosagi.com/w/index.php?...
kosagi.com/netv_hardware/
github.com/betrusted-io...
December 15, 2024 at 7:59 PM
On the more complex end of the spectrum, Bunnie’s projects like Novena, NeTV2, and Precursor immediately come to mind
www.kosagi.com/w/index.php?...
kosagi.com/netv_hardware/
github.com/betrusted-io...
www.kosagi.com/w/index.php?...
kosagi.com/netv_hardware/
github.com/betrusted-io...
Would also be fairly trivial to make a shim a3d.dll which did the same checks and passed through to the appropriate implementation
December 14, 2024 at 5:13 PM
Would also be fairly trivial to make a shim a3d.dll which did the same checks and passed through to the appropriate implementation
I still have a bzip’d 4GB USB disk image for this in case someone ever needs it for recovery
December 6, 2024 at 1:48 AM
I still have a bzip’d 4GB USB disk image for this in case someone ever needs it for recovery
Ohai vintage Ubiquiti device
December 5, 2024 at 9:58 PM
Ohai vintage Ubiquiti device
Also saves the cost and (un)reliability of connectors, as well as taking their parasitic capacitance out of the equation.
December 5, 2024 at 9:53 PM
Also saves the cost and (un)reliability of connectors, as well as taking their parasitic capacitance out of the equation.
Looks like www.kickstarter.com/projects/met...
MetaBoard
Intuitive, cross-platform art tech universal motion sensor
www.kickstarter.com
November 21, 2024 at 7:14 PM
Looks like www.kickstarter.com/projects/met...
Which magnetic USB connector are you using?
November 21, 2024 at 7:14 PM
Which magnetic USB connector are you using?
Back in 2001 ARM released processors (Aarm926EJ-S for example) with the Jazelle extension. Jazelle enabled direct Java bytecode execution in silicon. This was implemented via an execution state - think ARM vs Thumb mode.
Further reading en.m.wikipedia.org/wiki/Jazelle
Further reading en.m.wikipedia.org/wiki/Jazelle
Jazelle - Wikipedia
en.m.wikipedia.org
November 18, 2024 at 3:46 PM
Back in 2001 ARM released processors (Aarm926EJ-S for example) with the Jazelle extension. Jazelle enabled direct Java bytecode execution in silicon. This was implemented via an execution state - think ARM vs Thumb mode.
Further reading en.m.wikipedia.org/wiki/Jazelle
Further reading en.m.wikipedia.org/wiki/Jazelle
Wow they’re delivering worse than ADSL speeds over fiber? That’s criminal
November 18, 2024 at 3:32 PM
Wow they’re delivering worse than ADSL speeds over fiber? That’s criminal