Hackaday

Bubbles, Belts, And Bulbs: How The Scantron Works

Many of us remember back in our school days taking tests and filling out answers on a Scantron sheet, those long rows of A, B ...
Hackaday

DIY SI5351 Radio Tunes In SW, MW, And More

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
IEEE

Harmonic Mitigation of Rotor Position Quantization Errors in High-speed PMSM Applications with Low-resolution Encoders

Abstract: Low-resolution encoders (LREs) in high-speed permanent magnet synchronous motor (PMSM) digital control systems face significant challenges from quantization errors. Due to spectral aliasing, ...
KHQ

Spokane speed limit cuts proposed on nine arterial road sections

Spokane, Wash. — Spokane city leaders are set to discuss a proposal that would lower posted speed limits on sections of nine arterial roads, according to city agenda materials for the Public ...