Electronics Design

Distance measurement techniques

So, you want to measure the shape of an object, perform a 3D surface scan or conduct surface metrology tests. Google tells us there are many measurement methods to achieve these goals. Problem is, which one’s best for you? Non-Contact Distance Measurement Technologies article is a god overview to the non-contact measurement sensor technologies –

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

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