Fidget toys are everywhere these days. A particularly popular type simply puts some keyboard switches on a plate to provide a certain type of clicky satisfaction. [wjddnjsdnd] took that concept a ...

QR codes have quietly become the remote control for everyday life, from restaurant menus to parking meters to office sign-ins. That convenience is exactly why security experts keep repeating a simple ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

Antenna design is often referred to as a black art or witchcraft, even by those experienced in the space. To that end, [Janne] wondered—could years of honed skill be replaced by bruteforcing the ...

Abstract: A physical random code (PRC) multiple-input multiple-output (MIMO) radar system is proposed and experimentally demonstrated for three-dimensional (3D) multi-target imaging. The radar system ...

Hi, not sure, I have correct understanding of Vref. I started with simple program reading VREF value and reading stable voltage on port PA0. Here is final version of my program: vs16 Calibrattion_Val ...

Display live hockey and basketball game scores, future start times, standings, etc. on an LED matrix driven by a Raspberry Pi. Hardware requirements, installation ...