If you enjoy building or tinkering with electronics, this hacking tool can help you get wildly creative with your projects, and make it a lot easier to test them. It's called the Kode Dot, and not ...

Sistema completo de clonagem de tags RFID MIFARE Classic usando ESP32 e módulo RC522 com proteções avançadas e brute force expandido. src/ ├── main.cpp # Setup, loop e menu principal (75 linhas) ├── ...

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 ...

The ESP32 Sui Attendance System is a complete blockchain-based solution for educational institutions to manage student attendance. It combines hardware (ESP32 + RFID readers), backend services, and a ...

This paper presents a comparative analysis of a novel tri-ESP32-based smart sliding gate system with existing published systems that employ RFID, GSM, and single-node microcontroller-based approaches.

Abstract: This paper presents a novel approach to home automation utilizing the MQTT protocol. The system is implemented using an ESP32 node and a Node-RED server running on a Raspberry Pi, allowing ...