We demonstrate efficient light extraction from the active region of bottom-emitting organic light emitting devices (OLEDs) using a high refractive index, nondiffractive hemispherical microlens array ...

Abstract: Device-free sensing using WiFi channel state information (CSI) is a non-intrusive method of human activity recognition in an urban built environment. In this paper, we propose a human ...

The devices use pens or other writing instruments to place a person's signature on documents, books or other papers, such as in the case of a college president, for example, who would otherwise be ...

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino. Trump overpowers Musk's attacks on mega tax bill with blizzard of orders Americans are filing for ...

Nanophotonics Research Center, Institute of Microscale Optoelectronics & State Key Laboratory of Radio Frequency Heterogeneous Integration, Shenzhen University, Shenzhen 518060, China ...

Abstract: A smart wearable hand bag for women safety using physical sensor ... Hence misuse of the wearable device is prevented.

Even though the Amp is modern and sleek, it does require room. When not in use, the device itself is 6 feet tall, 2 feet wide and 1 foot in depth, which is pretty minimal, but to actually use it ...

Aircela’s new device, roughly the size of a commercial refrigerator, combines direct air capture (DAC) with on-site fuel synthesis to create gasoline using just air, water, and renewable energy.

This innovative model promises to redefine how we interact with technology, offering a seamless blend of efficiency, flexibility, and performance—all optimized for on-device use. Whether it’s ...

Use Cases: Home automation hub. Data logging and processing. Media streaming and game emulation. Arduino: The Precise Microcontroller Arduino, by contrast, is not a full computer but a microcontroller ...