Category Archives: Uncategorized



[w]   = Change to wire mode


Drawing Traces

[ESC]         = Cursor
[X]           = Track
[S]           = Set Origin

[V]           = Switch between Front and Back
[N]           = Switch Grid to Next
[SHIFT] + [N] = Switch Grid to Previous

Add tracks and vias (wiring):
[Backspace]   = Delete node

Interactive Router (OpenGL):
[D]           = Drag node / track
[E]           = Interactive Router Settings


NPTH = Non Plated Through Hole = nicht durchkontaktiertes Loch
PTH  = Plated Through Hole     = durchkontaktiertes Loch


Windows 10 and HiDPI


Force DPI Scaling on Windows


DPI Scaling in Windows GUIs
JavaFX DPI Scaling: Fixed!

Resource Hacker

How do I run Java apps upscaled on a high-DPI display?
How to get older programs to scale on HiDPI displays in Windows 10
HiDPI with Eclipse and NetBeans
How to fix apps that look small on high DPI and high resolution displays

Icons and fonts too small with HIDPI displays
Not possible to specify a Java application as per-monitor DPI aware in Windows 8


Linux Getting Started on Altera SoC Development Board – Using Yocto Source Package
Yocto: Building Yocto with meta-altera

sudo apt-get install sed wget cvs subversion git-core coreutils unzip texi2html texinfo libsdl1.2-dev docbook-utils gawk python-pysqlite2 diffstat help2man make gcc build-essential g++ desktop-file-utils chrpath libgl1-mesa-dev libglu1-mesa-dev mercurial autoconf automake groff libtool xterm

Failed to fetch URL git://

WARNING: file-native-5.28-r0 do_fetch: Failed to fetch URL git://, attempting MIRRORS if available
ERROR: file-native-5.28-r0 do_fetch: Fetcher failure: Unable to find revision 3c521817322a6bf5160cfeb09b9145ccde587b2a in branch master even from upstream
ERROR: file-native-5.28-r0 do_fetch: Fetcher failure for URL: 'git://'. Unable to fetch URL from any source.
ERROR: file-native-5.28-r0 do_fetch: Function failed: base_do_fetch
ERROR: Logfile of failure stored in: /opt/yocto/build/tmp/work/x86_64-linux/file-native/5.28-r0/temp/log.do_fetch.8869
ERROR: Task (virtual:native:/opt/yocto/poky/meta/recipes-devtools/file/ failed with exit code '1'

uses wrong SRCREV = "3c521817322a6bf5160cfeb09b9145ccde587b2a"

Using new:
SRCREV = "3050419355566d2a96c5be97fef0ffae097bbb96"

[v2] file: 5.28 -> 5.29


Kernel development
Devm functions and their CORRECT usage
Device Tree Mysteries
Device Tree Usage
Is it possible to get the information for a device tree using /sys of a running kernel?
how to access and debug a FDT/DTS device tree from a Linux driver (seg-fault)

grub Font Size

Can GRUB font size be customised?
GRUB/Tips and tricks

# Choose a font, in this example I chose DejaVuSansMono.ttf
# Convert the font in a format GRUB understands:
sudo grub-mkfont -s 36 -o /boot/grub/fonts/DejaVuSansMono.pf2 /usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf 

# Edit the /etc/default/grub file adding a line:

# Update GRUB configuration with:
sudo update-grub2