Results 51 to 60 of about 156,782 (303)

Audio application based on FreeRTOS operating system [PDF]

open access: yes, 2017
This current report describes in detail how the Quartet code for a Microchip PIC18 microcontroller, developed by Pere Domenech in his Final Degree Project, has been migrated to a Microchip PIC24 microcontroller.
Mendieta Pons, Pau
core  

Freeform Manufacturing of Plant‐Based Structural Colors for Scalable Photonic and Mechanochromic Devices

open access: yesAdvanced Materials, EarlyView.
A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song   +14 more
wiley   +1 more source

Drone-Mountable Gas Sensing Platform Using Graphene Chemiresistors for Remote In-Field Monitoring

open access: yesSensors, 2022
We present the design, fabrication, and testing of a drone-mountable gas sensing platform for environmental monitoring applications. An array of graphene-based field-effect transistors in combination with commercial humidity and temperature sensors are ...
Jaewoo Park   +8 more
doaj   +1 more source

Agenator: An open source computer-controlled dry aging system for beef [PDF]

open access: yes, 2019
Dry aging of beef is a process where beef is exposed to a controlled environment with the ultimate goal of drying the beef to improve its quality and value.
Calkins, Chris R.   +3 more
core   +1 more source

Deep learning-based anomalous object detection system powered by microcontroller for PTZ cameras [PDF]

open access: yes, 2018
Automatic video surveillance systems are usually designed to detect anomalous objects being present in a scene or behaving dangerously. In order to perform adequately, they must incorporate models able to achieve accurate pattern recognition in an image,
Benito Picazo, Jesús   +4 more
core   +1 more source

Large‐Area 2D Metasurface‐Based Triboelectric E‐Skin Arrays: Contact & Proximity Tactile Mapping with Broadband Acoustic Readouts

open access: yesAdvanced Materials, EarlyView.
Metasurface‐engineered NC‐TENG arrays integrate tactile pressure mapping, non‐contact gesture sensing, and acoustic signal readouts in one ultrathin module, and outperforms pristine PDMS in terms of electrical output and real‐time spatial mapping for next‐gen wearables.
Injamamul Arief   +12 more
wiley   +1 more source

Digitally Controlled Beam-Steerable Printed Dipole Antenna

open access: yesIEEE Open Journal of Antennas and Propagation
A digitally controlled beam steerable printed dipole antenna operating in ISM band has been proposed using PIN diodes switching mechanism. The proposed antenna provides effective solution of beam steering by establishing adequate coverage in elevation ...
Rajesh Shukla   +2 more
doaj   +1 more source

Facial expressions emotional recognition with NAO robot [PDF]

open access: yes, 2018
Human-robot interaction research is diverse and covers a wide range of topics. All aspects of human factors and robotics are within the purview of HRI research so far as they provide insight into how to improve our understanding in developing effective ...
Mohamed, Ahmed Mahmoud
core  

Recent Advances in Electrospun Nanofibers for Triboelectric Nanogenerators: Performance Enhancement Strategies and Emerging Applications

open access: yesAdvanced Materials, EarlyView.
This review highlights recent advances in electrospun nanofiber‐based triboelectric nanogenerators, emphasizing how material design, fiber architecture, and interface engineering collectively enhance output performance and mechanical durability. Key developments in porous, aligned, core‐shell, and hierarchical nanofibers are discussed alongside ...
MD Fajla Rabbi   +3 more
wiley   +1 more source

Realization of the missile servo system based on the application of microcontroller and contactless rotary position sensor of the missile wings [PDF]

open access: yesScientific Technical Review, 2018
This paper describes the procedure for the realization of servo systems for the guided missiles. The realized servo system consists of four servo units for driving the missile wings.
Mišljen Petar, Pavić Miloš
doaj  

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