A laser into the bottle: Detecting toxic methanol without breaking the seal

A world in which authorities can scan sealed bottles for toxic contaminants—quickly, accurately and without damaging the ...
Hackaday

Accurate Split-Flap Display Can Be 3D Printed

Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies ...
Hackaday

Hack Improves Cheap Speed Controllers

Tony Goacher] has worked with a lot of cheap brushless DC motor controllers built in China. They can be very cost-effective, ...
IEEE

A Back-Illuminated 10 μm-Pitch SPAD Depth Sensor with 42.5% PDE at 940 nm using an Optimized Doping Design

Abstract: We present a novel single-photon avalanche diode (SPAD) pixel array designed for accurate distance measurement with a high photon detection efficiency (PDE). This study was conducted with a ...