CD Skripsi
Rancang Bangun Alat Penekan Keypad Kwh Meter Prabayar Untuk Pengisian Token Berbasisinternet Of Things
The ever-increasing need for electrical energy has encouraged energy providers such as PT PLN (Persero) to offer prepaid kWh electricity services, providing flexibility for users in managing energy usage. However, the current electricity token Input system is still manual and limited by distance. This research aims to find a solution by designing an IoT-based Keypad pressing device that can be installed on existing prepaid KWh meters without replacing a new device. IoT technology allows users to top up electricity tokens remotely via an Android smartphone device, thereby increasing the efficiency and reliability of the token top-up process. In this research, the focus is given to the use of IoT to control Keypads using servo motor actuators, as well as using the Firebase-based Kodular application interface. Hardware includes mechanical and electronic components, while software includes a Tokenactivator GUI designed with Kodular. In stress testing, errors were below 5%, allowing the device to function as expected. The results of 10 experiments show a high level of accuracy of the device in pressing buttons. The prototype achieved an accuracy rate of 98.33% in key presses, while token charging showed a success rate of 100%. Delay testing shows four main Delays, namely requestDelay from the tokenactivator GUI to Firebase (1706.634 ms), Firebase response Delay to the tokenactivator GUI (1103.89 ms), Delay from Firebase to the ESP 8266 (483.6 ms), and image upload Delay from the ESP 32 Cam to FirebaseStorage (2,356 ms) with an average image size of 276,938 kb.
Keywords: IoT, Electricity Token Charging, Energy Efficiency, Prepaid KWh Meter Keypad.
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