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Hello World
We are introducing this blog to transparently update everyone on our work and progress, share solutions and introduce useful projects.
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Open position: Mechanical engineer
To expand and speed-up the development of open and sustainable systems, we are expanding the team with a mechanical engineer that will focus on the development of open hardware tools and machines, such...
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Shuttleworth Foundation Fellow: Luka Mustafa
We are pleased to announce today that our director Luka Mustafa - Musti has become the Shuttleworth Foundation Fellow to work full-time on open-source development of wireless optical system KORUZA....
View ArticleUseful-source open hardware
Useful-source is a step beyond open-source for hardware, focusing on empowering, enabling reproduction and the use of such freely available designs by large populations. We are proposing this concept,...
View ArticleSimplified Arduino ADC - ESP8266 (nodemcu lua) communication + WS2812B LEDs
ESP8266 WiFi modules with very affordable price have become highly popular with hackers and developers around the globe, empowered with the great development of NodeMcu lua firmware, further...
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Design challenge for mechanical engineer open position
We have received a number of applications for the advertised open position of a mechanical engineer. A selection of the applicants will be invited for interviews when they have completed the following...
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Useful-source open hardware tree structure
Useful Source will enable straightforward documentation of stable release of open hardware systems, to empower great number of high-quality reproductions globally. Previously we have introduced the...
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Logarithm calculation in integer only system
Common and useful practice for visually displaying measurements with a large dynamic range is by using base 10 logarithms, which are widely available in most systems. However to conserve space on...
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Modification of a low-cost 40W laser cutter
For fast prototyping and development purposes we have purchased an ECPUR NEW3020 low-cost 40W CO2 laser cutter/engraver but without Moshi control electronics, saving on the cost. We have installed a...
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Data Fit to 2-D Gaussian Function
Development of the wireless optical system KORUZA requires analysis of the IR optical beam to determine its divergence and calibrate a visible optical beam to be parallel with the invisible IR one....
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Developer conference Wireless Battle of the Mesh V8
We are proudly announcing that the Wireless Battle of the Mesh V8 will happen in August in Maribor, Slovenia! This international annual developer conference brings together wireless community networks...
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Good-enough useful-open-hardware CNC/Plasma cutter - Design overview
Constructing machines and physical systems is always challenging. Industry in vast majority aims to use highest precision and reliability machines, to be capable of producing even the most complicated...
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Good-enough useful-open-hardware CNC/Plasma cutter - 2 axis prototype
Continuing the development work described in our previous blog of a single axis prototype, we have now constructed a 2-axis prototype. First tests have proven to be very successful, with smooth motion...
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KORUZA optical system - electronics modular design
KORUZA wireless optical systems electronics design currently implements the the bare minimum functions required on a prototype assembly with a number of bugs and missing features. We have chosen to...
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Good-enough useful-open-hardware CNC/Plasma cutter - Z axis prototype
Continuing the development work described in our previous blog of a XY gantry prototype, we have now added a number of improvements and constructed the Z axis. We have evaluated a number of common...
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Good-enough useful-open-hardware CNC/Plasma cutter - Plasma cutter selection
In preparation to equip the 3 axis machine design introduced in the previous weeks blog, we have set to find and test suitable plasma cutting torch machines and pick the cheapest device that produces...
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Serial communication between Arduino and Octave
Many devices connect to the computer trough serial interface. Being able to easily establish connection trough serial port communication and then also analyse, process and visually represent received...
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ToslinkCNC - Optical communication for CNC control - design overview
CNC machines merge large metal and thus conductive mechanics with high power tools, ranging from several kW spindles to plasma cutters and their control systems in particular suffer from noise problems...
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Radiation monitoring of Slovenia with Safecast
Safecast is a global project working to empower people with data, primarily by mapping radiation levels and building a sensor network, enabling people to both contribute and freely use the data...
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Good-enough useful-open-hardware CNC/Plasma cutter - Cutting
Our Good-enough CNC plasma cutter is finally operational! After making some finishing touches as outlined previously on the CNC platform, we paired it with our BMF CUT 50M plasma cutter and air...
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