{"id":24605627,"url":"https://github.com/abdullahrfa/power_management_iot_project","last_synced_at":"2025-03-18T10:13:30.016Z","repository":{"id":271431578,"uuid":"913424475","full_name":"AbdullahRFA/Power_Management_IOT_Project","owner":"AbdullahRFA","description":"Create a Smart Energy Monitoring System that uses CT and PT to measure voltage and current, calculate the power consumption of electrical devices, and estimate the cost based on usage. 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It monitors voltage, current, power, and energy usage, and allows relay control via Blynk. Additionally, it calculates energy cost based on a specified per-unit cost.\n\n# Features\n\t1.\tReal-time Monitoring:\n\t•\tMeasures voltage (V), current (mA), and power (W).\n\t•\tCalculates energy (kWh) and cost (TK).\n\t2.\tOLED Display:\n\t•\tDisplays measured parameters (Voltage, Current, Power, Energy, and Cost) in real-time.\n\t3.\tIoT Integration:\n\t•\tSends data to the Blynk IoT app for remote monitoring and control.\n\t4.\tRelay Control:\n\t•\tControls a relay module using the Blynk app.\n\t5.\tData Logging:\n\t•\tLogs measurements for easy debugging via the Serial Monitor.\n\n# Components Used\n\n# Hardware:\n\t1.\tESP32: Main microcontroller for processing data and WiFi connectivity.\n\t2.\tACS712 (Current Sensor): Measures current in the system.\n\t3.\tZMPT101B (Voltage Sensor): Measures AC voltage.\n\t4.\tSSD1306 OLED Display: Displays real-time measurements.\n\t5.\tRelay Module: Toggles connected electrical devices ON/OFF.\n\t6.\tResistors and Capacitors: For noise filtering and stability.\n\n# Software:\n\t1.\tArduino IDE: For programming the ESP32.\n\t2.\tBlynk IoT Platform: For remote data monitoring and relay control.\n\t3.\tLibraries:\n\t•\tWiFi.h and BlynkSimpleEsp32.h for Blynk and WiFi integration.\n\t•\tACS712.h and ZMPT101B.h for sensor readings.\n\t•\tAdafruit_GFX.h and Adafruit_SSD1306.h for OLED display.\n\n# How It Works\n\n# Core Functionalities:\n\t1.\tVoltage Measurement:\n\t•\tThe ZMPT101B sensor reads the RMS voltage from the AC source.\n\t•\tSensitivity is calibrated using the setSensitivity() method.\n\t2.\tCurrent Measurement:\n\t•\tThe ACS712 sensor reads the AC current flowing through the load.\n\t•\tNoise is filtered, and a calibration factor is applied for accuracy.\n\t3.\tPower \u0026 Energy Calculation:\n\t•\tPower () = Voltage () × Current ().\n\t•\tEnergy () = Power × Time.\n\t•\tCost is calculated using a predefined per-unit cost (12.67 TK).\n\t4.\tRelay Control:\n\t•\tA relay is toggled using Virtual Pin  on the Blynk app.\n\t•\tON: Activates relay to power the load.\n\t•\tOFF: Deactivates relay.\n\t5.\tOLED Display:\n\t•\tDisplays Voltage, Current, Power, Energy, and Cost in real-time.\n\t6.\tBlynk IoT Integration:\n\t•\tSends measurements to Blynk app on Virtual Pins:\n\t•\t: Voltage\n\t•\t: Current\n\t•\t: Power\n\t•\t: Energy\n\t•\t: Cost\n\t•\tControls relay via .\n\n# Pin Configuration\n\n# \tComponent\t\t\t\tPin\t\t\t\t\tDescription\n\tACS712 (Current Sensor)\t\t\tGPIO 34\t\t\t\t\tReads current values.\n\tZMPT101B (Voltage Sensor)\t\tGPIO 35\t\t\t\t\tReads voltage values.\n\tOLED Display (SSD1306)\t\t\tSDA: GPIO 21\t\t\t\tI2C Data line.\n\t\t\t\t\t\tSCL: GPIO 22\t\t\t\tI2C Clock line.\n\tRelay Module\t\t\t\tGPIO 2\t\t\t\t\tToggles the relay.\n\n# Setup Instructions\n\t1.\tHardware Setup:\n\t•\tConnect the ACS712, ZMPT101B, OLED Display, and Relay to the ESP32 as per the pin configuration.\n\t2.\tInstall Libraries:\n\t•\tInstall required libraries via the Arduino Library Manager:\n\t•\tBlynk\n\t•\tAdafruit GFX\n\t•\tAdafruit SSD1306\n\t•\tACS712\n\t•\tZMPT101B\n\t3.\tCode Configuration:\n\t•\tReplace the WiFi credentials:\n\n# char ssid[] = \"YourWiFiSSID\";\n# char pass[] = \"YourWiFiPassword\";\n\n\n\t•\tReplace the Blynk Auth Token:\n\n# define BLYNK_AUTH_TOKEN \"YourBlynkAuthToken\"\n\n\n\t4.\tUpload Code:\n\t•\tCompile and upload the code to your ESP32 using the Arduino IDE.\n\t5.\tBlynk App Setup:\n\t•\tAdd widgets for displaying Voltage, Current, Power, Energy, and Cost.\n\t•\tAdd a Button widget for Relay control on Virtual Pin .\n\t6.\tCalibration:\n\t•\tAdjust the calibration factors for ACS712 and ZMPT101B as per your hardware setup for accurate readings.\n\n# Blynk Virtual Pins\n\n# Virtual Pin\tParameter\tDescription\n\tV0\tVoltage (V)\tReal-time voltage readings.\n\tV1\tCurrent (mA)\tReal-time current readings.\n\tV5\tPower (W)\tPower consumption in watts.\n\tV6\tEnergy (kWh)\tTotal energy consumption.\n\tV3\tCost (TK)\tEnergy cost in TK.\n\tV4\tRelay Control\tButton to toggle relay state.\n\tV2\tUptime\t\tDisplays system uptime in seconds.\n\n# Example Output\n\n# Serial Monitor:\n\n\tVoltage: 220.0 V\n\tCurrent: 500.0 mA\n\tPower: 110.0 W\n\tEnergy: 0.11 kWh\n\tCost_Per_Unit: 1.39 TK\n\n# OLED Display:\n\n\tPower Management\n\tVoltage: 220.0 V\n\tCurrent: 500.0 mA\n\tPower: 110.0 W\n\tEnergy: 0.11 kWh\n\tCost: 1.39 TK\n\n# Future Enhancements\n\t•\tIntegrate more sensors for advanced monitoring (e.g., temperature, humidity).\n\t•\tImplement data logging using an SD card or cloud storage.\n\t•\tAdd energy-saving modes or automation based on thresholds.\n\n# Author\n\n# Abdullah Nazmus-Sakib\nA passionate IoT developer and tech enthusiast.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fabdullahrfa%2Fpower_management_iot_project","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fabdullahrfa%2Fpower_management_iot_project","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fabdullahrfa%2Fpower_management_iot_project/lists"}