...useless but hey - bash webcam viewer (intentionally posted on April 2nd because it actually works ;-P) ...one thing i never can remember is the commandline options to view my webcam per mplayer... so i thought about reading the stream directly from v4l to check if everything is up and running: here's a tiny script that displays the direct 320x240 YUYV 4:2:2 stream of a v4l /dev/video device.…
Prototype i had this Longer Ray5 Laser-Engraver and i always wondered how to convert it to a plotter... >>> engraver plotter using a standard servo: ...turned out that electronically there was not much conversion necessary because: The Engraver is driven by a Makerbase board (ESP32 chip). The laser is cntrolled by 5000 to 20000 Hz PWM signal. in an undocumented setting ($33) the board can be…
...endless mountain scape, scrolling on and on and on ...so i found this old baby in a forgotten closet, and got carried away by some basic/assembly coding. strange experience after long time only shader coding (assembly coding feels a bit like playing "sokoban" (for those who know) - just pushing around registers instead of boxes...) Source Code: for developing on pc i used ZXBasic, just get the…
ssd crash - or, how i almost lost my whole ext4-home-drive but got almost all data back ...one fine day, i had a really bad day... ...so here's the report from my odyssey: ...what happened (most likely) was, that my ssd got too little power for a while and some data got (permanently) lost. i transitionally (and stupidly) used an old power supply in an old case, that was most likely…