Pengontrol-pengontrol tersebut tidak praktis, sehingga dibuat bel dengan pengontrol yang lebih praktis, yaitu aplikasi berbasis Android. Penelitian tentang bel sekolah saat ini banyak yang difokuskan pada pengontrol bel, seperti menggunakan perangkat lunak di komputer, menggunakan keypad yang ditempatkan pada bel, bahkan mengatur jadwal bel berbunyi yang hanya dapat dilakukan melalui pemrograman. Seiring dengan perkembangan zaman, bel sekolah juga mengalami kemajuan. While the entire system needs an Arduino Microcontroller to be controlled.īel sekolah adalah salah satu alat yang penting di sekolah, digunakan dari dahulu sampai saat ini. For use as a method of lowering the voltage in the system circuit is the LM2596 Regulator module.

The piggy bank door lock employs a Servo Motor SG 90 for media, a Relay to start the motor, and an RTC Ds1307 to display the time and date. can use a Wemos d1 small to monitor data after it has been saved and shown in a Google SpreadSheet.

The TCS34725 sensor is used in the design to read the money's nominal value and detect color. Three ID cards are included with this tool: a savings ID card, an unregistered ID card, and an ID card that may be used to withdraw money from savings accounts. to use RFID as an access tool to scan ID cards. a device that provides data on the amount of money saved. As a result, a Banknote Piggy Bank Prototype with Google Sheet Monitoring was created. Many people prefer the money deposit box as a method of money storage even if there are many different types of useful places to do so.

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