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1,194 Results Found

  • Proceeding Paper
  • Open Access
1,388 Views
10 Pages

Smart Automation for Residential Spaces with PLC-ESP32 Architecture

  • María Daniela Villegas,
  • Edgar David Paredes,
  • José Alfredo Arévalo,
  • Angélica Quito Carrión,
  • Ronald Pillajo,
  • Alan Cuenca Sánchez and
  • Pablo Proaño

15 November 2025

This paper presents the design, development, and testing of a smart home automation system that integrates a Siemens LOGO! programmable logic controller (PLC) with an ESP32 microcontroller to enable dual-mode control—manual and voice-activated....

  • Article
  • Open Access
49 Citations
39,085 Views
23 Pages

IoT-Enabled Smart Drip Irrigation System Using ESP32

  • Gilroy P. Pereira,
  • Mohamed Z. Chaari and
  • Fawwad Daroge

7 July 2023

Agriculture, or farming, is the science of cultivating the soil, growing crops, and raising livestock. Ever since the days of the first plow from sticks over ten thousand years ago, agriculture has always depended on technology. As technology and sci...

  • Proceeding Paper
  • Open Access
2 Citations
3,170 Views
3 Pages

This paper explains the design and construction of a platform that implements the ESP32 embedded system and connects it to a telephone asterisk plant, to exchange data on both sides, commands sent from a telephone to the esp32 and make calls from an...

  • Article
  • Open Access
16 Citations
13,878 Views
26 Pages

7 March 2025

This paper explores the application of the ESP32 microcontroller in edge computing, focusing on the design and implementation of an edge server system to evaluate performance improvements achieved by integrating edge and cloud computing. Responding t...

  • Proceeding Paper
  • Open Access
135 Views
12 Pages

IOTAfy: An ESP32-Based OTA Firmware Management Platform for Scalable IoT Deployments

  • Ioannis Chrysovalantis Panagou,
  • Stylianos Katsoulis,
  • Evangelos Nannos,
  • Fotios Zantalis and
  • Grigorios Koulouras

19 February 2026

Managing firmware updates in large-scale IoT deployments presents significant challenges regarding security, reliability, and operational cost. This paper presents the design and implementation of “IOTAfy”, a new, open-source, comprehensi...

  • Article
  • Open Access
4 Citations
4,249 Views
19 Pages

Lightweight Embedded IoT Gateway for Smart Homes Based on an ESP32 Microcontroller

  • Filippos Serepas,
  • Ioannis Papias,
  • Konstantinos Christakis,
  • Nikos Dimitropoulos and
  • Vangelis Marinakis

16 September 2025

The rapid expansion of the Internet of Things (IoT) demands scalable, efficient, and user-friendly gateway solutions that seamlessly connect resource-constrained edge devices to cloud services. Low-cost, widely available microcontrollers, such as the...

  • Proceeding Paper
  • Open Access
1,556 Views
5 Pages

Development of an Integrated System for Efficient Water Resource Management Using ESP32, MicroPython and the IoT

  • Marina Lloys,
  • Josep Lluis Guixà,
  • Claudia Dragoste,
  • Jordi Cots,
  • Teresa Escobet and
  • Sergi Grau

25 September 2024

This article describes the development and implementation of a water resource management system utilizing open technologies such as the ESP32 microcontroller and MicroPython. This system stands out for its low cost, high efficiency and adaptability t...

  • Article
  • Open Access
43 Citations
37,913 Views
19 Pages

28 December 2022

The rapid growth of the Internet of Things (IoT) and its applications requires high computational efficiency, low-cost, and low-power solutions for various IoT devices. These include a wide range of microcontrollers that are used to collect, process,...

  • Article
  • Open Access
847 Views
14 Pages

A Lightweight, End-to-End Encrypted Data Pipeline for IIoT: An AES-GCM Implementation for ESP32, MQTT, and Raspberry Pi

  • Gulshat Amirkhanova,
  • Syrym Ismailov,
  • Alikhan Amirkhanov,
  • Saltanat Adilzhanova,
  • Meiramkul Zhasuzakova and
  • Siming Chen

3 January 2026

Industrial Internet of Things (IIoT) deployments increasingly rely on low-cost microcontrollers and single-board computers to stream operational telemetry for monitoring, control, and predictive maintenance, yet the canonical “TLS-to-broker&rdq...

  • Article
  • Open Access
4 Citations
5,686 Views
13 Pages

Biochemical Characterization of the SPATE Members EspPα and EspI

  • André Weiss,
  • David Kortemeier and
  • Jens Brockmeyer

16 September 2014

The activity of serine proteases is influenced by their substrate specificity as well as by the physicochemical conditions. Here, we present the characterization of key biochemical features of the two SPATE members EspPα and EspI from Shiga-toxin pro...

  • Article
  • Open Access
1 Citations
3,583 Views
31 Pages

Gateway-Free LoRa Mesh on ESP32: Design, Self-Healing Mechanisms, and Empirical Performance

  • Danilo Arregui Almeida,
  • Juan Chafla Altamirano,
  • Milton Román Cañizares,
  • Pablo Palacios Játiva,
  • Javier Guaña-Moya and
  • Iván Sánchez

1 October 2025

LoRa is a long-range, low-power wireless communication technology widely used in Internet of Things (IoT) applications. However, its conventional implementation through Long Range Wide Area Network (LoRaWAN) presents operational constraints due to it...

  • Article
  • Open Access
13 Citations
8,549 Views
21 Pages

A Low-Cost IoT System Based on the ESP32 Microcontroller for Efficient Monitoring of a Pilot Anaerobic Biogas Reactor

  • Sotirios D. Kalamaras,
  • Maria-Athina Tsitsimpikou,
  • Christos A. Tzenos,
  • Antonios A. Lithourgidis,
  • Dimitra S. Pitsikoglou and
  • Thomas A. Kotsopoulos

24 December 2024

A pilot anaerobic bioreactor requires near-daily monitoring and frequent maintenance. This study aimed to upgrade a pilot bioreactor into a low-cost IoT device via ESP32 microcontrollers. The methodology was based on remote data acquisition and onlin...

  • Article
  • Open Access
2 Citations
1,806 Views
16 Pages

ESP32-Powered PPG Signal Acquisition: Open-Source Hardware and Software for Research and Education

  • Jesús E. Miranda-Vega,
  • Erick Y. Nuñez-Patrón,
  • Guillermo Prieto-Avalos,
  • Wendy Flores-Fuentes,
  • Oleg Sergiyenko,
  • Wendy García-González,
  • Loriz Victoria Márquez-Ramirez,
  • Rubén Castro-Contreras and
  • Rafael I. Ayala-Figueroa

12 November 2025

To support the understanding of cardiovascular monitoring and physiological signal processing, we present a portable, open-source photoplethysmography (PPG) acquisition platform developed for educational and research applications. The system is built...

  • Article
  • Open Access
419 Views
18 Pages

21 December 2025

Thermal limitations restrict the performance of low-cost, vertically stacked embedded systems. This paper presents a self-referencing digital twin framework for thermal and task management in a multi-device ESP32-S3 stack. The system combines a Mixtu...

  • Feature Paper
  • Article
  • Open Access
116 Citations
26,563 Views
24 Pages

Supervisory Control and Data Acquisition (SCADA) is a technology for monitoring and controlling distributed processes. SCADA provides real-time data exchange between a control/monitoring centre and field devices connected to the distributed processes...

  • Proceeding Paper
  • Open Access
1 Citations
2,132 Views
7 Pages

A STEM education provides students with a friendly and efficient environment for learning science, technology, engineering, and math. According to the needs of STEM programs and activities, humanoid, biped, and quadruped robots have been developed. T...

  • Article
  • Open Access
1 Citations
461 Views
14 Pages

Integrating ESP32-Based IoT Architectures and Cloud Visualization to Foster Data Literacy in Early Engineering Education

  • Jael Zambrano-Mieles,
  • Miguel Tupac-Yupanqui,
  • Salutar Mari-Loardo and
  • Cristian Vidal-Silva

13 January 2026

This study presents the design and implementation of a full-stack IoT ecosystem based on ESP32 microcontrollers and web-based visualization dashboards to support scientific reasoning in first-year engineering students. The proposed architecture integ...

  • Proceeding Paper
  • Open Access
857 Views
12 Pages

14 January 2026

This paper presents the design and implementation of an IoT-based automation system for indoor hydroponic plant cultivation using the Nutrient Film Technique. The system employs an ESP32-based controller with multiple sensors and actuators. These ena...

  • Review
  • Open Access
20 Citations
8,587 Views
24 Pages

28 December 2012

Enterohemorrhagic E. coli (EHEC) causes severe diseases in humans worldwide. One of its virulence factors is EspP, which belongs to the serine protease autotransporters of Enterobacteriaceae (SPATE) family. In this review we recapitulate the current...

  • Review
  • Open Access
8 Citations
5,034 Views
20 Pages

Effects of Fluid Viscosity and Two-Phase Flow on Performance of ESP

  • Peng Liu,
  • Yumo Wang,
  • Feng Yan,
  • Chaofei Nie,
  • Xin Ouyang,
  • Jiashuang Xu and
  • Jing Gong

20 October 2020

Electric submersible pumps (ESPs) are widely used in the oil and gas industry for crude-oil lifting, especially in subsea oil fields or underground storage caverns. The failure of ESPs causes a large economic cost mainly attributed to a break in prod...

  • Article
  • Open Access
137 Citations
69,481 Views
20 Pages

Design and Implementation of ESP32-Based IoT Devices

  • Darko Hercog,
  • Tone Lerher,
  • Mitja Truntič and
  • Oto Težak

27 July 2023

The Internet of Things (IoT) has become a transformative technology with great potential in various sectors, including home automation, industrial control, environmental monitoring, agriculture, wearables, health monitoring, and others. The growing p...

  • Article
  • Open Access
5 Citations
2,126 Views
17 Pages

EspP2 Regulates the Adhesion of Glaesserella parasuis via Rap1 Signaling Pathway

  • Xinwei Tang,
  • Shiyu Xu,
  • Zhen Yang,
  • Kang Wang,
  • Ke Dai,
  • Yiwen Zhang,
  • Bangdi Hu,
  • Yu Wang,
  • Sanjie Cao and
  • Yiping Wen
  • + 6 authors

Different levels of EspP2 expression are seen in strains of Glaesserella parasuis with high and low pathogenicity. As a potential virulence factor for G. parasuis, the pathogenic mechanism of EspP2 in infection of host cells is not clear. To begin to...

  • Review
  • Open Access
43 Citations
8,352 Views
18 Pages

31 August 2021

Mobile learning for English Language Teaching (ELT) has become an emerging trend to sustain education, providing the option to learn English for Specific Purposes (ESP). However, the review of mobile learning in ESP is scarce, despite its importance...

  • Article
  • Open Access
9 Citations
2,510 Views
12 Pages

Assessment of Changes in the Abrasiveness of Solid Particles in Hydraulic Mixtures Pumped with ESPs

  • Dmitriy Shishlyannikov,
  • Ivan Zvonarev,
  • Alexander Rybin,
  • Valeriy Zverev and
  • Anna Ivanchenko

1 February 2023

The statistics of using downhole electric submersible pump (ESP) units in the oil fields of Eurasia show that hydroabrasive wear is a common cause of ESP emergency failures. The authors of this study theoretically and experimentally investigated the...

  • Article
  • Open Access
1 Citations
2,899 Views
10 Pages

12 January 2023

The quantification of entropy in images is a topic of interest that has had different applications in the field of agronomy, product generation and medicine. Some algorithms have been proposed for the quantification of the irregularity present in an...

  • Article
  • Open Access
1 Citations
4,117 Views
14 Pages

TinyML Classification for Agriculture Objects with ESP32

  • Danila Donskoy,
  • Valeria Gvindjiliya and
  • Evgeniy Ivliev

2 October 2025

Using systems with machine learning technologies for process automation is a global trend in agriculture. However, implementing this technology comes with challenges, such as the need for a large amount of computing resources under conditions of limi...

  • Article
  • Open Access
13 Citations
3,798 Views
16 Pages

28 September 2021

Image processing has played a relevant role in various industries, where the main challenge is to extract specific features from images. Specifically, texture characterizes the phenomenon of the occurrence of a pattern along the spatial distribution,...

  • Article
  • Open Access
2 Citations
2,031 Views
10 Pages

Prevalence and Characteristics of Plasmid-Encoded Serine Protease EspP in Clinical Shiga Toxin-Producing Escherichia coli Strains from Patients in Sweden

  • Lei Wang,
  • Ying Hua,
  • Xiangning Bai,
  • Ji Zhang,
  • Sara Mernelius,
  • Milan Chromek,
  • Anne Frykman,
  • Sverker Hansson and
  • Andreas Matussek

Shiga toxin-producing Escherichia coli (STEC) infection can cause a broad spectrum of symptoms spanning from asymptomatic shedding to mild and bloody diarrhea (BD) and even life-threatening hemolytic-uremic syndrome (HUS). As a member of the serine p...

  • Article
  • Open Access
23 Citations
4,277 Views
10 Pages

Enterococci are commonly found in humans, animals and environments. Their highly adaptive mechanisms are related to several virulent determinants and their ability to resist antibiotics. Data on the relationship between the esp gene, biofilm formatio...

  • Article
  • Open Access
37 Citations
9,724 Views
21 Pages

An Efficient Wireless Sensor Network Based on the ESP-MESH Protocol for Indoor and Outdoor Air Quality Monitoring

  • Anwar Ulla Khan,
  • Mohammad Ehtisham Khan,
  • Mashhood Hasan,
  • Waleed Zakri,
  • Waleed Alhazmi and
  • Tarikul Islam

12 December 2022

The main aim of this work is to establish a sensor MESH network using an ESP-MESH networking protocol with the ESP32 MCU (a Wi-Fi-enabled microcontroller) for indoor and outdoor air quality monitoring in real time. Each sensor node is deployed at a d...

  • Article
  • Open Access
5 Citations
5,221 Views
21 Pages

Developing a Fire Monitoring System Based on MQTT, ESP-NOW, and a REM in Industrial Environments

  • Miracle Udurume,
  • Taewoong Hwang,
  • Raihan Uddin,
  • Toufiq Aziz and
  • Insoo Koo

7 January 2025

Fires and fire hazards in industrial environments pose a significant risk to safety, infrastructure, and the operational community. The need for real-time monitoring systems capable of detecting fires early and transmitting alerts promptly is crucial...

  • Article
  • Open Access
5 Citations
3,357 Views
19 Pages

With the increasing popularity of IoT (Internet-of-Things) devices, their security becomes an increasingly important issue. Buffer overflow vulnerabilities have been known for decades, but are still relevant, especially for embedded devices where cer...

  • Article
  • Open Access
22 Citations
5,686 Views
13 Pages

Enterohemorrhagic E. coli (EHEC)—Secreted Serine Protease EspP Stimulates Electrogenic Ion Transport in Human Colonoid Monolayers

  • C. Ming Tse,
  • Julie G. In,
  • Jianyi Yin,
  • Mark Donowitz,
  • Michele Doucet,
  • Jennifer Foulke-Abel,
  • Fernando Ruiz-Perez,
  • James P. Nataro,
  • Nicholas C. Zachos and
  • Olga Kovbasnjuk
  • + 1 author

1 September 2018

One of the characteristic manifestations of Shiga-toxin-producing Escherichia coli (E. coli) infection in humans, including EHEC and Enteroaggregative E. coli O104:H4, is watery diarrhea. However, neither Shiga toxin nor numerous components of the ty...

  • Article
  • Open Access
4 Citations
3,430 Views
13 Pages

Mitotic Arrest-Deficient 2 Like 2 (MAD2L2) Interacts with Escherichia coli Effector Protein EspF

  • Amin Tahoun,
  • Hanem El-Sharkawy,
  • Samar M. Moustafa,
  • Lina Jamil M. Abdel-Hafez,
  • Ashraf Albrakati,
  • Manfred Koegl,
  • Juergen Haas,
  • Arvind Mahajan,
  • David L. Gally and
  • Ehab Kotb Elmahallawy

15 September 2021

Enteropathogenic (EPEC) and Enterohemorrhagic (EHEC) Escherichia coli are considered emerging zoonotic pathogens of worldwide distribution. The pathogenicity of the bacteria is conferred by multiple virulence determinants, including the locus of ente...

  • Article
  • Open Access
4 Citations
2,907 Views
16 Pages

Genome-Wide Identification and Expression Analysis of ESPs and NSPs Involved in Glucosinolate Hydrolysis and Insect Attack Defense in Chinese Cabbage (Brassica rapa subsp. pekinensis)

  • Danni Han,
  • Jingru Tan,
  • Zhichen Yue,
  • Peng Tao,
  • Juanli Lei,
  • Yunxiang Zang,
  • Qizan Hu,
  • Huasen Wang,
  • Shizhong Zhang and
  • Yanting Zhao
  • + 1 author

2 March 2023

Glucosinolates are secondary plant metabolites that are part of the plant’s defense system against pathogens and pests and are activated via enzymatic degradation by thioglucoside glucohydrolases (myrosinases). Epithiospecifier proteins (ESPs)...

  • Article
  • Open Access
2,101 Views
24 Pages

30 August 2025

LexTALE has emerged as a popular measure of language proficiency in research studies. While it has been widely validated for L2 learners across multiple languages, its applicability to heritage language learners (HLLs)—who often show distinct l...

  • Article
  • Open Access
8 Citations
7,103 Views
15 Pages

Performance Assessment of ESP8266 Wireless Mesh Networks

  • Luís Santos,
  • Tiago Costa,
  • João M. L. P. Caldeira and
  • Vasco N. G. J. Soares

20 April 2022

This paper presents a wireless mesh network testbed based on ESP8266 devices using painlessMesh library. It evaluates its feasibility and potential effectiveness as a solution to monitor perishable goods, such as fresh fruit and vegetables, which are...

  • Article
  • Open Access
21 Citations
7,617 Views
19 Pages

A Blended SPS-ESPS Control DAB-IBDC Converter for a Standalone Solar Power System

  • P. Sathishkumar,
  • Himanshu,
  • Shengxu Piao,
  • Muhammad Adil Khan,
  • Do-Hyun Kim,
  • Min-Soo Kim,
  • Dong-Keun Jeong,
  • Cheewoo Lee and
  • Hee-Je Kim

18 September 2017

In sustainable energy applications, standalone solar power systems are mostly preferred for self-powered energy zones. In all standalone renewable power systems, batteries are still preferred as the common energy storage device. On the other hand, ba...

  • Article
  • Open Access
2 Citations
1,962 Views
16 Pages

27 November 2023

Charged particles have high momentum under high-temperature conditions, which helps to promote their movement towards a dust collector in a magnetic field environment, making it possible to improve the efficiency of the high-temperature wire-plate el...

  • Article
  • Open Access
5 Citations
6,353 Views
13 Pages

Structural Analysis of the Partially Disordered Protein EspK from Mycobacterium Tuberculosis

  • Abril Gijsbers,
  • Nuria Sánchez-Puig,
  • Ye Gao,
  • Peter J. Peters,
  • Raimond B. G. Ravelli and
  • Dritan Siliqi

28 December 2020

For centuries, tuberculosis has been a worldwide burden for human health, and gaps in our understanding of its pathogenesis have hampered the development of new treatments. ESX-1 is a complex machinery responsible for the secretion of virulence facto...

  • Article
  • Open Access
2 Citations
2,733 Views
27 Pages

26 October 2024

The increasing adoption of Internet of Things (IoT) technologies has facilitated the creation of advanced applications in various industries, notably in complex workplaces where safety and efficiency are paramount. This paper addresses the challenge...

  • Article
  • Open Access
2 Citations
1,608 Views
11 Pages

Description of Ultrasound-Guided Lumbar Erector Spinae Plane (ESP) Block and Comparison of the Spread of Two Volumes of Dye in Cat Cadavers

  • Adriana Vasconcelos Nobre,
  • Heytor Jales Gurgel,
  • Elaine Cristina Batista Torres,
  • Geovana de Lima Aleixo,
  • Daiara Joana Lima de Farias,
  • Paulo de Souza Júnior and
  • Roberto Thiesen

22 July 2025

The erector spinae plane (ESP) block is a widely used technique for perioperative analgesia. It involves the infiltration of anesthetics into the interfacial plane between the erector spinae muscle and the transverse processes of the vertebrae. In ve...

  • Article
  • Open Access
6 Citations
2,484 Views
17 Pages

20 June 2022

Multi-beam box girder bridges have been applied widely throughout the world for many years. However, the cracking of longitudinal joints between the box girders always leads to reflective cracking of the bridge decks during the service period and thu...

  • Article
  • Open Access
3 Citations
2,909 Views
13 Pages

Enhanced Serum IgG Detection Potential Using 38KD-MPT32-MPT64, CFP10-Mtb81-EspC Fusion Protein and Lipoarabinomannan (LAM) for Human Tuberculosis

  • Zhuohong Yan,
  • Xiaojue Wang,
  • Ling Yi,
  • Bin Yang,
  • Panjian Wei,
  • Hongyun Ruan,
  • Jinghui Wang,
  • Xinting Yang and
  • Hongtao Zhang

15 December 2022

For the rapid, reliable, and cost-effective methods of tuberculosis (TB) auxiliary diagnosis, antibody (Ab) detection to multiple antigens of Mycobacterium tuberculosis (Mtb) has great potential; however, this methodology requires optimization. We co...

  • Article
  • Open Access
18 Citations
4,654 Views
22 Pages

9 August 2020

With developments of modern and advanced information and communication technologies (ICTs), Industry 4.0 has launched big data analysis, natural language processing (NLP), and artificial intelligence (AI). Corpus analysis is also a part of big data a...

  • Article
  • Open Access
15 Citations
4,935 Views
28 Pages

The use of natural marine bacteria as “oil sensors” for the detection of pollution events can be suggested as a novel way of monitoring oil occurrence at sea. Nucleic acid-based devices generically called genosensors are emerging as poten...

  • Article
  • Open Access
1 Citations
5,181 Views
18 Pages

Real-Time Embedded Control of Vehicle Dynamics Using ESP32: A Discrete Nonlinear Approach

  • Antonio Navarrete Guzmán,
  • Cuauhtémoc Acosta Lúa,
  • J. A. García-Rodríguez,
  • Carlos Vidrios-Serrano and
  • Marco A. Meza-Aguilar

9 October 2024

This article explores the application of the Espressif ESP32 System-On-Chip (SoC) for managing vehicle dynamics through real-time digital proportional–integral (PI-like) control. We present the development of advanced driving assistance algorit...

  • Article
  • Open Access
10 Citations
8,051 Views
23 Pages

18 March 2022

For nursing students in the vocational education system in Taiwan, English-language writing skills, whether for general or specific purposes, have long been ignored, which may jeopardize their success in medical-oriented courses and their future care...

  • Proceeding Paper
  • Open Access
2,232 Views
5 Pages

A Case Study of the Use of ICT in Face-To-Face, Third-Level English for Specific Purposes (ESP) Courses

  • Carlos Menéndez-Otero,
  • Raquel Serrano-González and
  • Isabel Gil-Naveira

31 October 2018

The paper looks at an experience of use of ICT in a face-to-face ESP required course in the curriculum of the BA in Commerce and Marketing currently taught at the University of Oviedo, Spain. The main aims were (1) to update the contents and methods...

  • Article
  • Open Access
1,489 Views
20 Pages

4 December 2025

Over-the-air (OTA) firmware updating has become a fundamental requirement in modern Internet of Things (IoT) deployments, where thousands of heterogeneous embedded devices operate in remote and distributed environments. Manual firmware maintenance in...

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