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Hardware, Volume 3, Issue 4

December 2025 - 6 articles

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Articles (6)

  • Article
  • Open Access
177 Views
32 Pages

(All-in-One) Open Source Potentiostat for Field Analysis Based on Raspberry Pi

  • Danilo A. Coletto Gallego,
  • Rocío B. Pérez,
  • David Douglas de Sousa Fernandes,
  • Rodrigo M. Santos and
  • Gabriel Eggly

12 December 2025

Field instruments are an emerging topic because they facilitate the extraction of qualitative and quantitative information from samples at a sampling site. This work focused on the development of an open-source potentiostat, analyzing the constructio...

  • Article
  • Open Access
203 Views
19 Pages

Open Source System for Monitoring Wireless Outdoor Networks in Mining

  • Paulo Roberto Tercio Zamperlini,
  • Iuri da Silva Diniz,
  • Érica Silva Pinto,
  • Saulo Neves Matos,
  • Luis Guilherme Uzeda Garcia and
  • Alan Kardek Rêgo Segundo

9 December 2025

The S11D mining complex in Brazil, situated in Pará state, extracts 20 million tons of iron each quarter. Connecting via a standard 802.11b/g/n wireless network is crucial for mine operations across vast distances. A local team employs a netwo...

  • Article
  • Open Access
1 Citations
893 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
434 Views
12 Pages

3 November 2025

With the growing interest in fabricating nanofiltration membranes using novel materials and techniques, there is an increasing need to evaluate the practical viability of innovative membranes at the early stages of development. In many materials rese...

  • Article
  • Open Access
1,082 Views
20 Pages

An Open-Source Educational Platform for Multi-Sensor Environmental Monitoring Applications

  • Gianluca Cornetta,
  • Souhail Fatimi,
  • Arfan Kochaji,
  • Omar Moussa,
  • Majed Saleh Almaleky,
  • Mimoun Lamrini and
  • Abdellah Touhafi

15 October 2025

This paper introduces an innovative open-source hardware platform designed for multi-sensor environmental monitoring, rooted in the outcomes of the “Smart Water” project. The primary objective of this platform is to facilitate advanced PC...

  • Article
  • Open Access
903 Views
27 Pages

P-Tracker: Design and Development of a Low-Cost PM2.5 Monitor for Citizen Measurements of Air Pollution

  • Marks Jalisevs,
  • Hamza Qadeer,
  • David O’Connor,
  • Mingming Liu and
  • Shirley M. Coyle

11 October 2025

Particulate matter (PM2.5) is a critical indicator of air quality and has significant health implications. This study presents the development and evaluation of a custom-built PM2.5 device, named the P-Tracker, designed to offer an accessible alterna...

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Hardware - ISSN 2813-6640