Is It Really Cheaper To Build Your Own Projector Screen?

With all of the do-it-yourself guides on how to build a projector screen for cheap, you'd think it's a no-brainer. As it ...
IEEE

An Improved Method for Transforming GPS/INS Attitude to National Map Projection Frame

Abstract: Global Positioning System/Inertial Navigation System (GPS/INS) integrated navigation systems play a very important role in modern photogrammetry and laser scanning by virtue of their ...
Gizmochina

Redmi Projector 4 Pro launched with 600 CVIA lumens, 1080p, dual 8W speakers & HyperOS

Xiaomi has introduced the Redmi Projector 4 Pro in China as the successor to last year’s Redmi Projector 3 Pro. It is priced at 1,499 yuan (around $210) and is now available for purchase on JD.com.
IEEE

A Reconfigurable 40-to-67 dB SNR, 50-to-6400 Hz Frame-Rate, Column-Parallel Readout IC for Capacitive Touch-Screen Panels

Abstract: This paper describes a capacitive touch-screen panel (TSP) readout IC that provides a reconfigurable SNR and frame rate with high noise immunity and touch sensitivity. The readout IC ...