Smart Offline Attendance System Using SD Card #attendancesystem #diy #iot #esp32 #arduino #sdcard

Smart Offline Attendance System Using SD Card #attendancesystem #diy #iot #esp32 #arduino #sdcard

Build a Smart Offline Attendance System using ESP32, EM18 RFID reader, SD card, and buzzer! Scan RFID tags, log attendance with timestamps on SD card, and monitor via a WiFi dashboard. Perfect for schools, offices, or DIY IoT projects. Code and wiring in the link below! 🚀

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#attendancesystem #diy #iot #esp32 #arduino #sdcard #rfid #electronics #makers #techprojects #arduinotutorial #iotprojects #smartattendance #embedded #microcontroller_lab