An IoT-enabled smart attendance system built using RFID technology, the ESP32 microcontroller, and a LAMP stack. This system not only tracks attendance but also controls access through a solenoid lock ...

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 ...

In this study, a project has been prepared using the HC-06 Bluetooth communication module, which uses the RC522 RFID NFC module to perform the verification process using the STM32F103C8T6 ...

Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at [aritrakdebnath2003]’s MIDI THEREMIN, we see it works differently, but it does play ...

#define PICC_REQALL 0x52 // 寻天线区内全部卡 #define PICC_ANTICOLL1 0x93 // 防冲撞 #define PICC_ANTICOLL2 0x95 // 防冲撞 #define PICC_AUTHENT1A 0x60 // 验证A密钥 #define PICC_AUTHENT1B 0x61 // 验证B密钥 #define PICC_READ ...

Abstract: In today's era, traditional shopping encounters inefficiencies, with over 70% of consumers dissatisfied due to slow checkout processes, resulting in an average of 2.5 hours hypothetically ...

Metro smart automated systems always look cool to us. You can scan and rescan to travel just using a MetroCard. No need for special personnel or anything—just ...

Former New Orleans area baseball star Johnny Giavotella is returning to UNO after being named the baseball program’s first general manager. Giavotella played seven seasons in MLB and was apart of ...

THE Department of Social Welfare and Development (DSWD), along with the National Council on Disability Affairs (NCDA), launched the unified ID system for persons with disabilities (PWDs) on Tuesday.

Virtually any business will have assets, from physical ones like laptops to less tangible ones like software licenses and even rental agreements. As a result, your business will need an asset tracking ...

发布者：gamma14来源: 51hei关键字：单片机 RC522模块 测试程序手机看文章 扫描二维码 void Puts_to_SerialPort(unsigned char *s) while(*s ...