For more advanced security applications, you might also want to explore our RFID door lock system using Arduino, which shares similar hardware ... memory module using I2C interface) in it. 16x2 I2C ...

The LCD display is activated, and the RTC module is started. If the RTC is not running, the program sets the time and date to the current compilation time using F(DATE), F(TIME). Time and Date ...

It displays real-time data on a 16x2 I2C LCD and has a LCD trigger when rain is detected. - TheresaCA/Weather-Monitoring-System-Using-Arduino This Arduino-based project monitors temperature, humidity, ...