Hardware-Software Data Acquisition System for Measuring the Grip Strength in Children

Authors

Keywords:

App Inventor, data acquisition system, grip strength, hardware-software interface, LabVIEW

Abstract

The objective of this project was to create an accessible hardware-software system for measuring and recording grip strength in children. Two graphical user interfaces and two specific application data acquisition boards were designed to process data from four force sensors. One of the graphical interfaces was implemented with LabVIEW on a personal computer, and the other with App Inventor for smart mobile devices, such as phones and tablets, running the Android operating system. The data acquisition boards were designed and implemented using one of them a PIC18F2550 microcontroller, and the other one with a NODEMCU ESP32s development board. The boards can communicate wired or wirelessly with the interfaces and can be powered through their USB ports using a 5V charger or a 5-volt power bank. The measured data are recorded locally on the interface devices.

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Author Biographies

Raquel, Universidad Autónoma de San Luis Potosí

Raquel Ávila Rodríguez holds a PhD (2010) in Electrical Engineering from Universidad Autónoma de San Luis Potosí (UASLP), a Master degree (2007) in Electrical Engineering from the Universidad Autónoma de Guanajuato and a Bachelor as Industrial Engineer in Electronics (2005) from the Instituto Tecnológico de San Luis Potosí. She is a Professor-Researcher at the UASLP.

Alejandro, Universidad Autónoma de San Luis Potosí

Alejandro Martínez Ramírez holds a Ph.D. degree (2006) and a Master degree (2000) on Science of Electronics from the Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE), México. Bachelor of Electronics (1996) from the Benemérita Universidad Autónoma de Puebla. He is a Professor-Researcher at the UASLP.

Javier, Autonomous University of San Luis Potosí

Javier Ávila Rodríguez. He is a Medical Surgeon graduated from the UASLP; he completed his postgraduate degree in Pediatrics at the UASLP. He worked as a Pediatrician at the Institute of Security and Social Services for State Workers and at the General Hospital of Matehuala, San Luis Potosí (SLP). He actually works at José Guadalupe Clinic in Matehuala, SLP.

Rosa Eréndira, Universidad Autónoma de San Luis Potosí

Rosa Eréndira Fosado Quiroz holds a PhD in Chemistry from the Universidad Autónoma Metropolitana – Iztapalapa (2010), and a degree in Chemistry from the Universidad Autónoma del Estado de Hidalgo (1996). She is a Professor–Researcher at the UASLP.

Jorge Luis, Universidad Autónoma de San Luis Potosí

Jorge Luis García RamírezJorge is a pediatric neurologist from the Neurological Center for Children and Adolescents, N. L., México. He holds a Master's degree in Psychopedagogy from UNIR, México City. He holds a degree as a surgeon and midwife from the UASLP. He currently works as a pediatric neurologist at the Dr. Ignacio Morones Prieto Hospital in SLP, México, and is a professor in the pediatrics department at the same hospital. He is currently the Faculty Academic Registrar of the Faculty of Medicine of the UASLP.

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Published

2026-04-09

How to Cite

Ávila Rodríguez, R., Martínez Ramírez, A., Ávila Rodríguez, J., Fosado Quiroz, R. E., & García Ramírez, J. L. (2026). Hardware-Software Data Acquisition System for Measuring the Grip Strength in Children. IEEE Latin America Transactions, 24(5), 519–528. Retrieved from https://latamt.ieeer9.org/index.php/transactions/article/view/10161

Issue

Vol. 24 No. 5 (2026): Ordinary Issue

Section

Electronics