Developing, testing and mocking the largest MIDI instrument of the world with a Raspberry Pi and a DIY LEDs piano

“El Carrillón” “El Carrillón” is a bell tower located in “La Fiesta Nacional de la Flor” in Escobar, Buenos Aires, Argentina. There, a huge event takes place every year: There are 18 pneumatic bells, controlled by a Raspberry Pi Zero using two IO Pi Zero boards and then a driver module composed of triacs. Each IO expander … More Developing, testing and mocking the largest MIDI instrument of the world with a Raspberry Pi and a DIY LEDs piano

Now, single-node Docker Swarm and Smalltalk

Previously… In the previous post we saw an introduction to Docker and Linux containers and one possible usage for Smalltalk. We saw how to create the Dockerfile for a Seaside web application developed and running within VASmalltalk , build a Docker image, and finally run a container with it. However, one of the conclusions from … More Now, single-node Docker Swarm and Smalltalk

Getting started with Docker and Smalltalk!

What is Docker and Linux Containers? Linux containers are a way of virtualization that has been around since quite some time already. Compared to the classical “Virtual Machine” like VMWare, VirtualBox etc that are bulky and heavy to run, containers are lightweight, much smaller and they share the host’s kernel. That is, X number of … More Getting started with Docker and Smalltalk!

My presentations at “Summer School on Languages and Applications”, Bolivia 2014

A few months ago, I was invited to give some talks at “Summer School on Languages and Applications” in Bolivia. I offered several topics I was able to talk about and 3 of them were chosen. The target of the presentations were mostly university students who haven’t seen Smalltalk never before. So my presentations tried to be as … More My presentations at “Summer School on Languages and Applications”, Bolivia 2014

Tanker screencast and image ready for testing

Hi guys. Last days, we submitted Tanker to the ESUG Innovation Technology Awards. As part of that submission, I have created a screencast and an image with the examples. The screencast gives you an introduction to Tanker and shows you how to export and import packages. I starts with a simple example, then it exports a … More Tanker screencast and image ready for testing

Importing and exporting packages with Fuel

Background Hi guys. One month ago, I was running like crazy preparing my presentations for ESUG 2011. I had 3 talks and also the Fuel presentation in the awards. So…I was thinking about examples and demos to show with Fuel. I finally showed how to serialize a debugger and continue debugging it in another image, … More Importing and exporting packages with Fuel