Geeky Gadgets

µChart optic test card lets you check your phone camera, lenses, and other optics

If you are interested in testing your phone camera lenses and optics, you may be interested in a new testing card name, the µChart. Created by the team responsible for the iMicro Q range of microscope ...
Electronic Design

Testcard Generator

The unit also features a basic sine-wave audio oscillator, set at 800Hz. The audio and video outputs are available from the audio and video output sockets and, for more modern equipment, the SCART ...
Hackaday

test pattern

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...
Electronic Design

Reduce Test/Diagnosis Cost with Optimized Scan-Pattern Ordering

Download this article in PDF format. Finding the right balance among test cost, test quality, and data collection for running diagnosis requires consideration of several competing factors. Luckily ...