[tj] on repeat @_tj@mastodon.social

Electronics box getting pretty full with my camping prep

Hey fediverse, I am working on a hardware tuturial. What are your favourite quirky simple input and output devices?

I am thinking sirens, weird lights, big rotatory dials, slides that sort of thing. I want to include some playful devices for students to use.

Nice email about punch cards to start your day

https://lists.freebsd.org/pipermail/freebsd-hackers/2019-May/054646.html

Can anyone find a data sheet for this part?

This is close
Https://www.farnell.com/data sheets/1714740.pdf

But the marking examples are not quite right.

I have submitted a tutorial proposal to EuroBSDCon 2019.

The deadline for you to submit your talk or tutorial is fast approaching, submit while you can.

https://2019.eurobsdcon.org/cfp/

#eurobsdcon2019 #eurobsdcon

AND I landed a similar diff in Scapy.

https://github.com/secdev/scapy/commit/aecc4c1c9013cf5d4c298a3fcb70ee3f5080c7d1

Oh and it is the basically the same for USB3

https://www.usb.org/sites/default/files/documents/usb_debug_class_rev_1_0_final_0.pdf
Screenshot 2019-05-13 at 20.16.…

For USB 2 this is quite straight forward

https://www.usb.org/sites/default/files/documents/usb_debug_class_rev_1_0_final_0.pdf
Screenshot 2019-05-13 at 20.12.…

Before I read 100+ pages of usb spec, is there an easy way to tell if my controller support DbC

Discovered USB Debug specification and now I want to play with this. The Linux documentation is subpar, ms has good set up docs for connecting windbg

https://www.kernel.org/doc/html/v4.13/driver-api/usb/usb3-debug-port.html

https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/setting-up-a-usb-3-0-debug-cable-connection

Something is not quite right with the esp32 ble client example
Screenshot 2019-05-12 at 16.14.…

Oot fer breakfast

Awesome landed some code in tcpdump. **Now** I am a real network hacker

https://github.com/the-tcpdump-group/tcpdump/commit/d25274b2a7b5a7f5b012fe99d5c16b045ab8ea69

Continues...
written on a typewriter: “heck …

Got a new keyboard, all future toots will be in this format.
typed on a typewriter: “[tj] on…

(its a joke)

https://en.wikipedia.org/wiki/The_Comeback_(Seinfeld)

Tragedy is great for sales.

Startupjerks: “tj the ocean called, it wants its shrimp back”
Me: “well the jerk store called and t wants its jerks back”

Really I am here for the shrimp