Portable Power-Quality and Harmonics Logger
Handheld AC line disturbance analyzer capturing sags, swells, transients, and frequency deviations to SD card.

Project Overview
Essential industrial power audit instrument. Samples 230V 50Hz AC mains at 10kHz, detects microsecond voltage spikes and brownouts, and logs IEEE 1159 power quality events to a local CSV log file. ### Practical Student Engineering Solution Fully functional hardware demonstration prototype equipped with dedicated microcontrollers, precision sensors, actuators, and an interactive cloud/mobile telemetry dashboard. ### Key Learning Outcomes - Embedded C / MicroPython firmware architecture and sensor interfacing - IoT telemetry protocols (MQTT / HTTP / BLE / LoRaWAN) - Power regulation, hardware debugging, and PCB design principles - Comprehensive technical documentation aligned with IEEE academic standards
Modern commercial and industrial infrastructure requires automated, real-time sensing and telemetry. Conventional manual monitoring suffers from high latency, human error, and lack of predictive fault visibility for Portable Power-Quality and Harmonics Logger.
A turnkey engineering prototype integrating high-precision sensor modules, dedicated microcontroller unit, and cloud telemetry protocols to automate measurement, trigger alert thresholds, and provide remote dashboard control.