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This project implements an IoT-based employee tracking system using RFID technology, a NodeMCU microcontroller, Firebase Realtime Database, and a web application for management. NodeMCU scans an ...

So it’s understandable that you want to protect yourself every chance you get. RFID (radio-frequency identification) is used in many credit cards to allow for contactless payment. Instead of swiping ...

By learning how to send SMS from NodeMCU, we can build interesting IoT projects, where we can easily monitor our sensors and also get device-critical SMS like battery low, device tampering alert, etc.

This innovative RFID-blocking card promises to stop thieves and offers unparalleled convenience and reliability. Within the next few sections, we’ll explore the many features and benefits of ...

Safecard is a big market disruptor, and people all around the world are looking for ways to safeguard their money from being stolen, which is why in the United States alone, this device that ...

RFID and Faraday pouches are often overlooked in the world of car security products, but they can be massively effective in keeping your car secure. They don’t offer the same amount of physical ...

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Contactless-equipped cards use radio frequency identification (RFID) technology and near-field communication (NFC) to process transactions where possible. Contactless payment is an alternative to ...

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