Important milestone for my timecode gizmo: this is the first successful syncing using a cell phone and the Teensy board implementing an USB audio device, plugged as an external mic into the USB-C port. This is important as I'm pivoting my project toward youtubers rather than indy cinematographers who are already using overpriced and counter intuitive SMPTE LTC generators in their workflow 
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New Question, #NixOS - #Solved
I got the Arduino sorted out, but my Arduino is ancient and was a bit erratic in its detecting, so I wanna try my #Teensy now. conveniently, there is a teensy-udev-rules package, but it is not actually adding anything to /etc/udev/rules.d that I can see.
edit: solved via services.udev.extraRules rather than services.udev.packages, cause that falesauce. See Screenshot/alt text.
![Screenshot of what I added to my configuration.nix to enable teensyduino to upload to my Teensy device.
In theory, you would add
services.udev.packages = [ teensy-udev-rules ];
and that would take care of adding these rules for you, but that package appears to be two years old, and not up to date with current methods, based on examining its directory structure.
Instead, I added
services.udev.extraRules = ''
ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="04*", ENV{ID_MM_DEVICE_IGNORE}="1", ENV{ID_MM_PORT_IGNORE}="1"
ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="04[789a]*", ENV{MTP_NO_PROBE}="1"
KERNEL=="ttyACM*", ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="04*", MODE:="0666", RUN:="stty -F /dev/%k raw -echo"
KERNEL=="hidraw*", ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="04*", MODE:="0666"
SUBSYSTEMS=="usb", ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="04*", MODE:="0666"
KERNEL=="hidraw*", ATTRS{idVendor}=="1fc9", ATTRS{idProduct}=="013*", MODE:="0666"
SUBSYSTEMS=="usb", ATTRS{idVendor}=="1fc9", ATTRS{idProduct}=="013*", MODE:="0666"
'';
which varies from the rules provided by PJRC in one respect: their line 3 points to "/bin/stty...", which fails in NixOS, so I changed it to simply "stty ...." and the rules were added, and my Teensy works after a reboot.](https://assets.growers.social/media_attachments/files/113/930/683/228/071/084/original/8d3a7710e01b70f5.png "Screenshot of what I added to my configuration.nix to enable teensyduino to upload to my Teensy device.
In theory, you would add
services.udev.packages = [ teensy-udev-rules ];
and that would take care of adding these rules for you, but that package appears to be two years old, and not up to date with current methods, based on examining its directory structure.
Instead, I added
services.udev.extraRules = ''
ATTRS{idVendor}==\"16c0\", ATTRS{idProduct}==\"04*\", ENV{ID_MM_DEVICE_IGNORE}=\"1\", ENV{ID_MM_PORT_IGNORE}=\"1\"
ATTRS{idVendor}==\"16c0\", ATTRS{idProduct}==\"04[789a]*\", ENV{MTP_NO_PROBE}=\"1\"
KERNEL==\"ttyACM*\", ATTRS{idVendor}==\"16c0\", ATTRS{idProduct}==\"04*\", MODE:=\"0666\", RUN:=\"stty -F /dev/%k raw -echo\"
KERNEL==\"hidraw*\", ATTRS{idVendor}==\"16c0\", ATTRS{idProduct}==\"04*\", MODE:=\"0666\"
SUBSYSTEMS==\"usb\", ATTRS{idVendor}==\"16c0\", ATTRS{idProduct}==\"04*\", MODE:=\"0666\"
KERNEL==\"hidraw*\", ATTRS{idVendor}==\"1fc9\", ATTRS{idProduct}==\"013*\", MODE:=\"0666\"
SUBSYSTEMS==\"usb\", ATTRS{idVendor}==\"1fc9\", ATTRS{idProduct}==\"013*\", MODE:=\"0666\"
'';
which varies from the rules provided by PJRC in one respect: their line 3 points to \"/bin/stty...\", which fails in NixOS, so I changed it to simply \"stty ....\" and the rules were added, and my Teensy works after a reboot.")
Packing Even More Features Into a Classic Radio - When it comes to hacking niches, breathing new life into vintage devices is always... - https://hackaday.com/2025/01/17/packing-even-more-features-into-a-classic-radio/ #digitalaudiohacks #musicalhacks #ipsdisplay #nfcreader #ili9431 #m5stack #teensy #i2s #lcd #nfc
Check out this awesome project from our member Yvo: an automated electronic RoboRally game!
https://hackaday.com/2024/10/16/clockwork-derby-digital-robo-rally-steampunk-style/
Beno, zorretan nuen #aurkezpena eta hementxe luxezka bat:
Martin Etxauri Sainz de Murieta nauzue, Txo!? ezizenez. Arte eta ikerketa aferatan nabil, han hemenka zerbait irakasten ere.
Artea eta teknologia (medio berriak) uztartzen dituzten proiektuak egiten ditut gehien bat, besteak beste grafika generaiboa (#processing) 3Darekin lan (#Blender), afera interaktiboak eta elektronika (#arduino, #teensy, etab.) eta bideo-mappingak egiten edo #VJ (bideo jartzaile) lanetan nabil...
#introduction long-time #technologist here. Did software dev, media-making and #nonprofit work. Now an #Educator teaching #DigitalMedia and #TechTheater / #stagecraft to high schoolers in Northern California. Old-school Birdsite user in early years of the platform (especially with #wine industry folks) , fell off in 2012 with the rise of "stupid Twitter". Also into #AmateurRadio / #HamRadio, #DIYElectronics including #Arduino, #Teensy and #RaspberryPi, and also #SynthDIY.
Glad to be here.