This paper presents a library for Arduino that allows interfacing a 16x2 LCD display with the HD44780 controller via the PCF8574 I2C expander. The library provides basic functions for displaying text ...

Explore the often-overlooked busy pin feature of the MP3 player module (MP3-TF-16P or DFPlayer mini) in this comprehensive tutorail, ideal for hobbyists and Arduino enthusiasts. This third installment ...

RFID, or radio frequency identification, has come a long way since the early 2000s. At that time, Walmart was the first big retailer to experiment with the new tracking technology, which cost an ...

Abstract: This paper focuses on the research, development, and simulation of an RFID-based access control system for applications to enhance security for restricted areas and systems. The system ...

Abstract: This study presents a system that features power consumption monitoring per user, timer control, budget limit, automatic shutdown of standby appliances and provides protection from ...

Whether you're looking for a 75-inch, 85-inch, or even 116-inch panel, these are the best big-screen TVs we've tested. I’m PCMag’s home theater and AR/VR expert, and your go-to source of information ...