Author Archives: andy

Intercepting Boundary Events in Coach View

Posted on 2016/12/03 by andy

Boundary Event is core concept of UI technology in IBM BPM: any visual element (coach view) of screen (coach) can fire such event moving control from current screen to some other place, crossing “screen boundary“. In fact Boundary Event is the only … Continue reading →

Posted in Software | Tagged | 1 Comment

Custom container with SPARK UI toolkit

Posted on 2016/11/12 by andy

Salientprocess acquisition by IBM will make SPARK toolkit core part of IBM BPM in future release. SPARK introduces some nice new concepts, one of it is addressing that keeps SPARK containers invisible. Its public API promises to make your own … Continue reading →

Posted in Software | Tagged | 3 Comments

WebPD JS editor hack

Posted on 2016/09/04 by andy

IBM BPM Process Designer started migration from desktop to pure web client long time ago. While lightweight tools are enablers for everything in cloud game, it is shame how productivity is ignored. For several releases IBM has not corrected even such fundamental feature … Continue reading →

Posted in Software | Tagged | Leave a comment

Connecting Hermes JMS to WAS 8.5.x over SSL

Posted on 2016/08/07 by andy

Hermes JMS client documentation lacks of how to connect to Websphere Application Server (WAS) messaging. Most googled receipts with Websphere keyword refer to MQ. While it is possible to expose WAS internal service integration bus (SIB) as MQ link, I failed … Continue reading →

Posted in Software | 3 Comments

e-snowflake revisited

Posted on 2016/04/24 by andy

Four years ago I made microcontrolled snowflake decor using home made PCB based on toner-transfer process. I got back to this idea late in 2015 to make short batch for family and friends. Second version was about fixing design issues … Continue reading →

Posted in Electronics, Gadgets | Leave a comment

3D printed rain gauge

Posted on 2016/02/08 by andy

Water level monitoring on river basin under observation was completed mid 2015. From rainfall-rainoff modelling perspective rainfall capturing was missing. Low budget, 3d printer at home and some spare time pushed me to design my own rain gauge. Before autumn … Continue reading →

Posted in 3D printer, Electronics | Tagged | 8 Comments

Outdoor device? Bundle up your PCB.

Posted on 2016/01/17 by andy

Winter is coming… actually it has already come bringing constructor’s nightmare. Sudden freezing cold caused unexpected and massive restarts of all field stations. All because of the same hardware reason. Reason impossible to happen. All that because circuit boards were not … Continue reading →

Posted in Electronics | Tagged | Leave a comment

Bitten by dead FTDI chips

Posted on 2015/12/31 by andy

Counterfeit chips have always been on the market. Most of the time stories were told about fake high-end components like computer GPUs. I did not worry and over last couple years I bought hundreds genuine chips from China. They were … Continue reading →

Posted in Electronics | 2 Comments

Toner transferred PCBs

Posted on 2015/11/21 by andy

Thanks to Chinese providers printed circuit board fabrication has never been so cheap. With PCB comparison tool it is also darn easy to choose from. Sometimes though old’ye home made PCB is what you are looking for. So I made … Continue reading →

Posted in Electronics | 2 Comments

Kicad upgrade: push & shove and freerouting revisited

Posted on 2015/10/27 by andy

Kicad PCB toolset changed a lot over last two years. Great contribution from CERN is merged with stable release on one hand, new library format and projects migration necessity on the other. Meantime Freerouter cooperative tool disappeared and my reluctance to move … Continue reading →

Posted in Electronics, Software | 24 Comments