Abstract: Context-centric sensor-based proximity detection (or, contextual co-presence detection) is a promising approach to defend against relay attacks in many mobile authentication systems, ...

Arduino Projects with Code, Circuits and Step-by-Step Guides Our collection features Arduino Projects with code , circuit diagrams, and detailed explanations for makers at all skill levels. Whether ...

Valtrack V4 by Valetron Systems is a GPS vehicle tracking device designed for 4G-LTE CAT1 networks with global band support. The device is built… Broadcom Inc. has introduced Tomahawk 6, the world’s ...

The course gives an introduction to CMOS image sensor chips used in digital cameras. The entire signal chain from light to jpeg compressed image will be covered, incl. pixels and readout circuits, A/D ...