Articles Security

Origin Wireless takes a unique approach to home security. Instead of using cameras or motion sensors, the company employs Wi-Fi in its Home Security System (Fig. 1). The control device uses Wi-Fi to communicate with your network, but it also uses ...

In this article, I want to talk about the method of software repair or firmware recovery of the Dahua DH-IPC-HDW4421E IP-camera (Figure 1). In general, this instruction is suitable for all Dahua IP-cameras IPC-HX4X2X series and is used if the ...

What is Air Pollution? Air pollution is the presence of excessive amount of unwanted harmful solid and gases substances in the air. Cause and Effect of Air Pollution Recently, many cities in the world have encountered rapid urbanization and this ...

Vadim Kolesnik, Tiraspol In this article, I would like to share a quite detailed instruction to restore the functionality (sometimes it is called as “unbricking”) of the budget network video camera Hikvision DS-2CD2420F-I (Fig. 1). This ...

Anthony Gioeli Electronic Design What's true and what's not when it comes to fingerprint sensors and multifactor authentication on mobile devices? It seems a day can't go by without a story in the news about hacking. As more and more of ...

Iowa State University ECN Iowa State University engineers have developed a new flexible, stretchable and tunable meta-skin that uses rows of small, liquid-metal devices to cloak an object from the sharp eyes of radar. The meta-skin takes its name ...

Shawn Rezaei, ams ECN Active RFID usually operates at 455 MHz, 850 MHz, 900 MHz, 2.4 GHz or 5.8 GHz. It is suited to applications such as asset and people tracking, access control, passive keyless entry in cars, parking management systems and ...

Window contacts tell us which of a house’s windows are open or closed. Researchers have now developed a fail-safe system that is particularly easy to use and needs no wiring or batteries. The sensors harvest the energy they need to run from ...

Hercules safety microcontrollers are based on TI ’s 20+ years of safety-critical system expertise, industry collaboration and proven hardware for the automotive market. The platform consists of three ARM Cortex-based microcontroller families ...

Sony ExViewHAD Progressive Scan CCD Up to SXGA (1280×960) resolution at 12.5 fps Up to 0.003 Lux minimum scene illumination at F1.2, 50 IRE, Slow Shutter Mechanical IR cut filter Frame integration mode MPEG-4/MJPEG compression Backlight ...