wifi

configuring ubuntu wireless there is nothing cool about a robot that needs wires plugged in — actually it vexes me to no end. running ubuntu in an embedded device can be a real pain when first setting up a new device. many robots are running linux on low cost itx boards these days and they all suffer from the same security hassle with initial network configuration. you just unboxed…

led lighting with arduino yun progress on the rgb leds continues, here is the code for a useful android testing tool, with a very brutal looking UI.. awful. sliders for the red, green, blue light levels, few buttons for presets and scrolling debug messaging. the only noteworthy thing is defining the range of the sliders to suit the pwm levels on the arduino end.. so, [0 – 255] values…

From drawing board to being ready to install in single day? Colin, same guy that is now selling wifi robots, salvaged an old power drill to go with the new Lithium-ion battery pack for my chair. More Ardiuno and IOIO protects are possible now that I have a power supply I can remove and charge myself.

Networking with java These labs were written for UBC computer science in 2012. The content now has a few dead links and links and better ways of doing things, but they will get you going on java quickly. these labs go into details of using diagnostic networking tools and open source scanning software too. Lab1 — Introduction to Java Development Lab2 — TCP Sockets Lab3 — UDP Sockets Lab4…