Designed by Cirket open-source hardware in China, the ESP32-DIV V1 is a handheld wireless pentesting and experimentation tool ...

This is a library for the laser particle sensor module PM2005 manufactured by Wuhan Cubic Optoelectronics. The PM2005 module counts airborne particles of different sizes in catagories of 0.3, 2.5, and ...

Abstract: For airborne radar, it is an urgent task to detect moving targets in clutter background. At present, automatic feature extraction is an effective way to improve the performance of moving ...

First (player): Is a player which is just an arduino buzzer example that can play star wars, simpsons, mission impossible , indiana jons inter alia Second (player example ) : Is intended for using as ...

Abstract: This paper presents preliminary design of a long-range wireless alarm system. It discusses two schemes for long-range wireless network in different situations, then shows the hardware design ...

UVB-76 transmitted clustered coded signals in December as NATO–Russia tensions intensified In the second week of December, a Cold War–era Russian shortwave radio station broke from its usual pattern.

A collective fear amongst many is a smartphone alarm failing to go off after setting it the night before. Well, apparently, Apple is adding to that anxiety as many users are claiming their iPhone ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Annie Chou Annie Chou is a ...