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All Journal Formosa Journal of Computer and Information Science
Barik Khamaluddin Nur
Universitas Sains dan Teknologi Komputer Semarang
Computer Science & IT

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Development of a Microcontroller-Based Power Monitoring System for Comparative Efficiency Analysis of LED, CFL, and Incandescent Lamps Barik Khamaluddin Nur; Miftahurrohman Miftahurrohman; Imam Saufik Suasana
Formosa Journal of Computer and Information Science Vol. 5 No. 2 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjcis.v5i2.17146

Abstract

This study developed and evaluated an Arduino Uno R3-based power-monitoring prototype using ACS712 and ZMPT101B sensors to compare 450-lumen LED, CFL, and incandescent lamps. Each lamp underwent ten trials, with twelve samples per trial. Sensor readings were validated against a digital multimeter. Mean apparent power was 5.28, 14.21, and 40.36 VA, while estimated active power was 5.23, 7.82, and 40.36 W, respectively. Mean voltage and current errors were 0.09% and 1.56%. The LED achieved the highest estimated luminous efficacy (86.0 lm/W) and the lowest annual energy cost. The prototype was reliable for educational comparison, although synchronized voltage-current sampling is required for direct active-power measurement of nonlinear loads.
Co-Authors Imam Saufik Suasana Miftahurrohman Miftahurrohman