2007-03-11 Bug in software or hardware
This week was a very rewarding week: we squashed a bug which seemed to elude the very best minds -- these . . . an [http://en.wikipedia.org/wiki/Analog-to-digital_converter ADC]. When we made sure that no current . . .
4K - last updated 2007-03-12 08:46 UTC by bvankuik
2008-06-23 Shamroc DAC board
The [http://en.wikipedia.org/wiki/Digital-to-analog_converter DAC] testboard for the Shamroc (part of . . .
2K - last updated 2008-06-24 09:11 UTC by 6715
2008-08-29 Fighting an ADC
We use an [http://en.wikipedia.org/wiki/Analog-to-digital_converter ADC] from Cirrus Logic on the DAC . . . did -- except the command that powers off the digital and analogue parts of the board do NOT affect . . .
2K - last updated 2008-08-29 07:16 UTC by Bart
2008-11-04 Bitstream mode
The new project its temperature sensor (tsens) ASIC is basically a [http://en.wikipedia.org/wiki/Sigma-delta_modulation . . . Delta Sigma analog-to-digital converter]. What it basically comes down to, . . .
3K - last updated 2008-11-07 10:57 UTC by 6715
2010-08-30 How to recover from unexpected reboots
It's pretty interesting to dive into the situation of recovering from unexpected reboots. Our usual lab . . . with one or more [http://en.wikipedia.org/wiki/Digital-to-analog_converter DACs] and/or [http://en.wikipedia.org/wiki/Analog-to-digital_converter . . .
2K - last updated 2010-08-30 15:12 UTC by 6715
2010-10-14 Some highlights of AHS 2010
A colleague of mine recently went to [http://www.see.ed.ac.uk/ahs2010/ AHS 2010], a series of annual . . . JPL] has developed the iBoard, a digital data acquisition platform for quick prototyping. . . .
2K - last updated 2010-10-14 14:32 UTC by 6715
2012-03-29 Extensions to Safari library
I've received the specs for a modification to our software library for the SAFARI project, and after . . . You could roughly see the demux board as the digital part, and the rest of this picture as the analog . . .
2K - last updated 2012-05-05 17:38 UTC by 6715
2012-07-02 Minimizing amplifier chain offset
For the [http://en.wikipedia.org/wiki/SAFARI_imaging_spectrometer SAFARI] project, I'm refactoring some . . . which also amplifies the output so it can be digitized by the DEMUX board. See also this schema: [[image:SAFARIbuildingblocks-1.png]] . . .
7K - last updated 2012-07-05 14:58 UTC by 6715
2013-04-11 measure the AC gain
= A little intro = Another routine in the system is the [http://en.wikipedia.org/wiki/Alternating_current . . . there are two [http://en.wikipedia.org/wiki/Digital-to-analog_converter DACs] that can drive the . . . an [http://en.wikipedia.org/wiki/Analog-to-digital_converter ADC] to measure back the result. The . . . DAC1. Note that this AC bias signal is still digitized, otherwise we couldn't feed it into a DAC :-) . . .
3K - last updated 2013-04-26 06:59 UTC by 6715
2013-04-26 Asynchronous data from the SAFARI Demux board
Previously, I described [[2013-04-11_measure_the_AC_gain|how we measure the transfer of the AC bias]]. . . . very flexible and can be viewed as a number of digital data taps located on several points of the Demux . . .
4K - last updated 2013-04-29 10:46 UTC by 6715
2013-08-12 Page up and page down with a Logitech Marble on Linux
On Debian 7.x (Wheezy), I'm using the Logitech Trackman Marble. Mine has product number P/N 810-000767, . . . 4) Logout and log into KDE again http://www.logitech.com/assets/14756/14756.png The Logitech Trackman . . .
1K - last updated 2013-08-13 07:54 UTC by 6715
2013-10-25 What is new in OS X Mavericks
I'm running a little comparison of the file system of a Mavericks install and a Mountain Lion install, . . . announcement from Atto] * CalDigitHDPro -- For CalDigit's [http://www.caldigit.com/hdpro/ . . .
5K - last updated 2013-12-06 10:09 UTC by 6715
2015-07-09 Short list of VPS providers
Here's my 2015 short list of VPS providers: * [https://www.transip.nl TransIP] Reasonable price, good . . . (for which they compensated me) * [https://www.digitalocean.com DigitalOcean] Good price, don't like . . .
1K - last updated 2015-07-09 12:15 UTC by 6715
2015-09-04 View all non-standard kernel extensions on OS X
If you want to list all the drivers (kernel extensions in OS X jargon) that didn't come pre-installed . . . on your system. As an example, I've got the Logitech OS X driver installed, plus I've got VirtualBox . . . 70 0 0xffffff7f80df6000 0x46000 0x46000 com.Logitech.Control Center.HID Driver (3.9.1) <69 67 37 . . .
2K - last updated 2015-09-08 05:24 UTC by 6715
2015-10-18 Popular libraries
Here's a couple of pointers to popular libraries: * https://gist.github.com/orta/1c607a2c46545244ab16 . . .
1K - last updated 2015-10-18 08:27 UTC by 6715
2015-10-30 Searching Cocoapods
Today, we were joking around in the team, and we figured it would be cool if you could simply include . . . Cocoapod in your iOS project to add an [https://github.com/rochefort/cocoapods-search easter egg]. . . . which allows you to search Cocoapods: https://github.com/rochefort/cocoapods-search No results for . . . though :) But you might find one via [https://github.com/sirlantis/cocoapods-roulette cocoapods-roulette] . . .
1K - last updated 2015-11-06 08:09 UTC by 6715
2015-11-06 Creating an OS X virtual machine
Automatically creating an OS X virtual machine is getting quite easy and automated nowadays. If you haven't . . . virtualbox Now continue with [https://gist.github.com/rmoriz/37b671afe53c984b2f85 rmoriz' instructions]. . . .
2K - last updated 2015-12-08 11:54 UTC by 6715
2016-01-09 Compress PNG files with pngquant
A little trick if you want to save some space and/or bandwidth; compress your PNG files. Although PNG . . . That's not so bad. The [https://github.com/pornel/pngquant pngquant homepage is here] . . .
1K - last updated 2016-01-09 20:52 UTC by 6715
2016-04-28 USB speakers
Since ages, I've had these [http://support.logitech.com/en_us/product/v20-notebook-speakers Logitech . . . power and their audio over USB: https://secure.logitech.com/assets/22857/22857.png There are a couple . . . market. But lately I found out that Logitech makes a new model that strictly uses USB for . . . audio and power: the [https://www.amazon.com/Logitech-S150-Speakers-Digital-Sound/dp/B000ZH98LU Logitech . . . S150]. https://business.logitech.com/assets/20161/20161.png Edit 2016-11-28: . . .
2K - last updated 2016-12-07 07:57 UTC by 6715
2016-06-02 Good error messages in Xcode Run Scripts phase
Xcode has an option to run a script when building. This is necessary for example when using [https://github.com/Carthage/Carthage . . . install carthage, see also:" 1>&2 echo "https://github.com/Carthage/Carthage#installing-carthage" 1>&2 . . .
2K - last updated 2016-06-06 12:43 UTC by 6715
2016-10-31 Mice and keyboards with USB-C
After seeing Apple coming out with new 13" and 15" machines with only USB-C connections, I wondered whether . . . that it's very slim pickings. Big brands like Logitech haven't gotten around to those, and the only . . .
1K - last updated 2016-11-04 09:23 UTC by 6715
2016-11-04 Veertu now open source
My favorite virtualization software [https://veertu.com Veertu] has been open sourced! Check out their . . . their website], or via [https://caskroom.github.io Brew Cask]: $ brew cask install veertu-desktop . . .
1K - last updated 2016-11-04 09:19 UTC by 6715
2017-02-21 Linux VPS with TeamViewer
Here are my short notes on creating a Linux VPS (virtual private service) which can be remotely accessed . . . below fail on VPSes at Scaleway or DigitalOcean, but the combination of Fedora 25 and [https://www.linode.com . . .
3K - last updated 2019-12-08 07:25 UTC by 6715
2017-04-04 UITextView with placeholders
For my current project, the user needs to select a template from a list. The template contains a number . . . editing needs to be done. I've created [https://github.com/bvankuik/TextViewWithPlaceholders an example . . . Xcode project on GitHub] which shows how this can be done: https://github.com/bvankuik/TextViewWithPlaceholders/raw/master/demo.gif . . .
1K - last updated 2017-04-04 11:36 UTC by 6715
2017-06-06 Always leave a view in a stackview
When you hide/unhide an element in a UIStackView, it will nicely animate. However when you hide the only . . . what happens, run the following project: https://github.com/bvankuik/NestedStackViewsShowAndHide Click . . .
1K - last updated 2017-06-06 09:34 UTC by 6715
2017-10-02 Most popular Swift projects
Here's a nice link to the most popular Swift-related projects on Github: https://github.com/search?utf8=%E2%9C%93&q=stars%3A%3E1+language%3Aswift&type=Repositories . . .
1K - last updated 2017-10-02 09:55 UTC by 6715
2017-11-06 Xcode 9.1 unknown error
After upgrading to Xcode 9.1 (build 9B55), the following error would be shown in a modal dialog after . . . tree (-3) This particular path is included via a git submodule, but I'm not sure if that's related. . . .
1K - last updated 2017-11-06 08:40 UTC by 6715
2022-04-06 Update on Firefox on macOS
A small update about Firefox on macOS. If you're like me, you're used to the close button on the left, . . . but a better resource is the following gist on Github: https://gist.github.com/henrik242/3abf4c52ebf81add5cfe38acf97c2053 . . .
1K - last updated 2022-04-06 08:26 UTC by bartvk
Bookmarks to check out sometime
* [http://openejb.codehaus.org/ OpenEJB], with an additional [http://www.onjava.com/pub/a/onjava/2003/02/12/ejb_tomcat.html . . . http://www.janneskleiker.nl/ * http://www.digitalimagecafe.com/ . . .
1K - last updated 2006-08-03 14:26 UTC by 6715
Cheap VPS Hosting
(English readers: this is an overview of cheap Dutch VPS hosters) = Update 23-12-2013 = '''Update:''' . . . TransIP] en [https://www.digitalocean.com DigitalOcean]. Beide zijn uitstekend. . . . Als je puur de goedkoopste zoekt, ga dan voor DigitalOcean. Die hebben een datacenter in Amsterdam . . .
12K - last updated 2013-12-23 10:48 UTC by 6715
File Area
[[temp.jpg]] [[digitale_transmissietechniek.doc.zip]] [[boarding.pdf.enc]] [[6x8-IMG_3436c1.jpg]] [[Explanation]] . . .
1K - last updated 2008-06-23 20:45 UTC by 6715
Git
Did you mean [[git]]? . . .
1K - last updated 2014-11-11 08:39 UTC by 6715
Java Snippets
= Generate a unique number = import java.math.BigInteger; import java.rmi.server.UID; public class UniqueNumber . . . you must make sure it contains at least five digits. If not, the number needs to be prefixed with . . . s; if (l < 10000) { // this has less than five digits DecimalFormat df = new DecimalFormat("00000"); . . .
5K - last updated 2005-11-10 13:52 UTC by 6715
MySQL
= Installation = Install as usual for your distribution. For Debian, this means: $ sudo apt-get install . . . 10, 16); To display a fixed number of digits: SELECT lpad( conv(mynumber, 10, 16), 8, '0x000000'); . . .
8K - last updated 2023-01-30 09:45 UTC by bartvk
Other links
* Bikes: ** http://www.nieuwendijktweewielers.nl/default.asp?pid=127 ** http://www.harrygeurtstweewielers.nl/docs/aanbiedingen.php . . . in alle soorten en formaten] ** [http://www.digitransfer.info/ Afdrukken op caps en T-shirts] ** . . .
2K - last updated 2006-08-02 06:47 UTC by 6715
The technology behind Jini
= The technology behind Jini = What is Jini its trick? What are the principles behind the interface? . . . us look at a practical example. Let us take a digital photocamera which connects to the network. As . . .
8K - last updated 2005-10-16 19:05 UTC by 6715
digitale transmissietechniek.doc.zip
application/zip
947K - last updated 2006-03-23 10:57 UTC by 6715
git
= Starting on an existing project = When you start on a client project, you usually take the following . . . steps. $ git clone https://remotebox.example.com/project.git . . . List the branches: $ cd project $ git branch -a * master remotes/origin/HEAD -> origin/master . . . want to switch to the development branch: $ git checkout -t origin/development = My way of merging . . . to check out the current development branch: $ git clone https://remotebox.example.com/project.git . . .
4K - last updated 2020-02-17 19:00 UTC by 6715
vankuik.nl
= Latest weblog entries = <journal 5> = Weblog Archive = [[Weblog_entries_2024]] [[Weblog_entries_2023]] . . . * [[SVN]] for all your Subversion tricks * [[git]] * [[Bash]] * [[UNIX_Toolkit]] Explanation of . . .
4K - last updated 2024-04-16 10:29 UTC by bartvk
39 pages found.