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raspberrypi

Kedei touchscreen updated for buster

2019-08-09 Johan Ehnberg 3 Comments

Some years back, I created some scripts and a precompiled kernel for use with KeDei 3,5″ Raspberry Pi Touchscreen V2. I have now revisited those for use with Raspbian Buster and made it easier to install.

Continue reading Kedei touchscreen updated for buster →
herostitcher

herostitcher, the command line video workflow tool

2016-12-21 Johan Ehnberg

This project was actually born some years ago, after I got my first action camera and needed a tool to do image stabilization / deshaking in an automated way. This is my solution.

Continue reading herostitcher, the command line video workflow tool →

electronics

15A buck converter / step down module test

2016-07-15 Johan Ehnberg 2 Comments

After being disappointed with the previous buck converter, this one actually seems to deliver what was promised. The specs at the Aliexpress shop indicate it is good for up to 10A without extra cooling, and that seems reasonable in my test.

Continue reading 15A buck converter / step down module test →

raspberrypi

Raspberry Pi Photobooth

2016-06-20 Johan Ehnberg 12 Comments

After googling around, I found no viable photo booth software for my setup. So here is yet another photo booth for the Raspberry Pi.

Raspberry Pi photobooth application without the case
Raspberry Pi photobooth application without the case

Continue reading Raspberry Pi Photobooth →

electronics

Yiyelang “30A” 24v to 12v converter test

2016-06-13 Johan Ehnberg Leave a comment

I finished a video about the cheap Yiyelang “30A” 24v to 12v converters found on AliExpress:

As expected, the magic smoke is released at the end. Enjoy!

raspberrypi

Raspberry Pi TFT KeDei 3.5″ touchscreen V2

2016-06-10 Johan Ehnberg 11 Comments

Update: you will likely prefer the newer version for Raspbian Buster.

Here’s how to use the KeDei 3.5″ touchscreen V2 with your own kernel.

KeDei 3.5″ touchscreen V2 running on a custom kernel
KeDei 3.5″ touchscreen V2 running on a custom kernel

Continue reading Raspberry Pi TFT KeDei 3.5″ touchscreen V2 →

backuppc

BackupPC pre-loading / seeding and migrating / moving script

2015-11-19 Johan Ehnberg

This script can save (restore to tar), seed (pre-load) and move (migrate, switching between old and new backuppc partitions on the same server) BackupPC backups. Continue reading BackupPC pre-loading / seeding and migrating / moving script →

ubuntu

Getting the @-sign to work in Ubuntu on old MacBooks

2015-10-12 Johan Ehnberg

At least with the Finnish keyboard layout, the @-sign does not work out of the box in Ubuntu on my old MacBook A1181, even with the Macintosh keyboard variant selected.

This can be fixed by going to:

System Settings -> Keyboard -> Shortcuts -> Typing

And changing the Alternative Character Key to Right Win.

Uncategorized

New site launched

2015-01-15 Johan Ehnberg

Welcome to the new site. I decided to move from Joomla to WordPress because it’s faster to use and there is a nice juju charm for it.

/dev/urandom over ports 80 and 443

Recent Posts

  • Kedei touchscreen updated for buster
  • herostitcher, the command line video workflow tool
  • 15A buck converter / step down module test
  • Raspberry Pi Photobooth
  • Yiyelang “30A” 24v to 12v converter test

Recent Comments

  • Kyle on Kedei touchscreen updated for buster
  • Kyle on Kedei touchscreen updated for buster
  • ata on Kedei touchscreen updated for buster
  • Yuber Manzanares on Raspberry Pi TFT KeDei 3.5″ touchscreen V2
  • Yuber Manzanares on Raspberry Pi TFT KeDei 3.5″ touchscreen V2

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