“Rancang Bangun Sistem Kontrol Lampu Menggunakan Aplikasi Blynk Berbasis Internet of Things

Abstract

A lamp control system and electric voltage meter have been made. This tool aims to make it easier to control lights such as turning on and off lights using a smartphone. The sensor used in the manufacture of this tool to measure the electrical voltage is the ZMPT101B sensor which is controlled by the nodeMCU ESP8266 microcontroller using the blynk application which is equipped with a display of the results of the electrical voltage measurement on the application. The results of testing the ZMPT101B sensor with a Multimeter comparison where the percentage of error obtained is 0.42% and the test results on the output voltage of household electricity where the average obtained is 218.50V.