An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention. The “automatic toll gate system project” demonstrates how simple sensors and ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

This section provides the wiring guide for connecting a 2.8inch TFT display based on ILI9341 to an ESP32 development board. The table below outlines the pin connections for the display and touch ...

Abstract: The concept of Smart Trolley improves the shopping experience by automating various processes by using RFID or Radio Frequency Identification technology. It comprises RFID tags for the items ...

Abstract: This technical paper provides a tutorial to build a low-cost (10–100 USD) and easy to assemble ECG device (ArdMob-ECG) that can be easily used for a variety of different scientific studies.

In this project, we simulate a smart door lock system using an ESP32 microcontroller and RFID, written in Rust. Optionally, a servo motor can be used to simulate door opening, and an OLED display can ...

Contactless payments, contactless pairing, contactless tracking. It feels like we’re going through a revolution, as there's been an influx of systems that offer wireless identification and ...

Motorola announced the Moto G (2026) and Moto G Play (2026) last month, and today it's following them up with the Moto G Power (2026). The phone comes with a 6.8-inch LCD screen with FHD+ resolution, ...

You’ll likely have seen the abbreviation “NFC” when browsing smartphone, wearable, and app features — but what exactly does it mean? Most smartphones have Near Field Communication, or NFC, technology ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Somer G. Anderson is CPA, doctor of accounting, and an accounting and finance professor who ...