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User Friendly Interactive Digital Logic Trainer with Display

Article scientifique 2026 Anglais

Résumé

Digital logic education is a core element of computer engineering, yet many trainers rely on LED indicators that provide limited feedback, reducing students’ ability to fully grasp circuit behavior. Such minimal demonstrations restrict the interpretation of input–output relationships in real time and lessen the value of practical training. This paper presents the design and implementation of a digital logic trainer with an integrated LCD display, specifically developed to enhance undergraduate learning. The trainer combines 74-series logic gate ICs with an ATmega328 microcontroller, navigation buttons, LED indicators, and a regulated 5V DC power supply, all mounted on a vero board within a protective casing. Programmed in the Arduino IDE, the microcontroller processes inputs and updates the LCD to show logic states, selected operations, and outputs. Unlike LED-only systems, the LCD provides contextual information, including truth table rows, thereby bridging theory and practice while improving clarity and retention.

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Idim, V., Atangba, O., Ukpai, C., Edet, H., Udo, T., Nsima, N., Esu, M., Edeyang, C., Ubong, D., Aneke, C., Stephen, B. (2026). User Friendly Interactive Digital Logic Trainer with Display. https://doi.org/10.58614/cris521

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Auteur(s)

Victor Uduak Idim Osowoaken odo Atangba Chinaecherem Okoro Ukpai Hope Augustine Edet Treasure Usen Udo Nsima Aniefiok Nsima Michael Paul Esu Confidence Okon Edeyang Dan Nkereuwem Ubong Chikezie Samuel Aneke Bliss Stephen

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