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 ...

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 ...

#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: 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 ...

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 ...

Modern conveniences such as self-checkout and contactless payments are often taken for granted. Because of this, it’s natural to overlook the critical technology that makes such everyday efficiencies ...

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 ...

Retail transformation isn’t just about the digital front-end, it’s being redefined at its very core. At the heart of this retail revolution is RFID— enabling a smarter, faster and more resilient ...

Xerafy has debuted its latest innovation, the TEX TRAK Roll, a new category of RFID laundry tags. Unlike traditional laundry RFID tags that are shipped in bulk and require off-site encoding or manual ...

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 ...