PONNAGANTI PARAMESWAR RAO

Architected and developed robust ESP32 firmware using ESP-IDF for a real-time water quality monitoring system.

Interfaced multiple water quality and quantity sensors (pH, turbidity, temperature, water level) with ESP32, ensuring accurate data acquisition for critical environmental monitoring.

Implemented MQTT protocol and integrated GSM module for wireless data transmission to a remote server, enabling real-time remote access.

Calibrated sensors and validated data accuracy using Modpoll, improving data reliability for critical water quality assessments.

Designed and implemented comprehensive system architecture for an IoT-based health monitoring system, integrating sensor selection, microcontroller, and cloud communication flow.

Interfaced MAX30100 (heart rate, SpO2) and DS18B20 (temperature) sensors with ESP32, enabling accurate vital sign monitoring.

Integrated GSM module (SIM800L/A7670C) to enable real-time SMS alerts for abnormal health readings, enhancing patient safety.

Developed and tested firmware using Arduino IDE/ESP-IDF for real-time data acquisition, threshold checking, and serial communication.

Configured robust MQTT communication for seamless data transmission to a cloud dashboard, providing remote health insights.

Interfaced DS18B20 temperature sensor with Arduino Mega 2560 for real-time ambient temperature monitoring.

Developed Arduino code to automate exhaust fan control based on predefined temperature thresholds, optimizing energy use and reducing electricity consumption.

Designed and tested a custom PCB for seamless integration of sensor, relay, and microcontroller components, ensuring system reliability.

Automated exhaust fan operation using a relay module, enhancing system efficiency and user convenience.

Validated system functionality, achieving reduced power usage and eliminating unnecessary fan operation, leading to potential cost savings.