Author Archive

Mittaus ja testaus 2015 visit

Some notes from Mittaus ja Testaus 2015 fair visit I made today: Mixed signal oscilloscopes were on display from all major manufacturers. Some had oscilloscope, logic analyzer and RF spectrum in same box, all data shown on same time scale and long history buffers. Some scopes had high bandwidth and hardware assisted FFT for spectrum

Mittaus ja testaus 2015

Mittaus ja Testaus (measuring and testing) fair will be held today and tomorrow (27.–28.5.2015) in AEL at Malminkartano Helsinki. The event is intended for automation and electronics industry, electric power, computer and telecommunication equipment for measurement, testing and maintenance professionals. There will be lecture related to technology to generate electricity from sunlight on both days.

Resistor reading apps

If you are a long time hacker, you might remember all resistor color codes so well that you have no problem in reading them without thinking to much. For other there are those resistor color code tables and calculators. But could this task be automated? Maybe with mobile phone? Reading Resistors With OpenCV posting mentions

Valve’s VR Tracking Hardware

With VR headsets, the problem isn’t putting two displays in front of the user’s eyes. The problem is determining where the user is looking quickly and accurately. Few days ago I saw an interesting Introduction To Valve’s Tracking Hardware article that tells thew basics of ‘Lighthouse’ tracking unit operation: By scanning these IR lasers across