02/01/2026
🚀 Project Showcase: Smart Energy Monitoring System (IoT Based) ⚡
Proud to share our latest project developed at VoltACDC Lab —
an IoT-based Smart Energy Metering & Monitoring System using ESP8266 and PZEM-004T.
🔧 Key Features:
✅ Real-time Voltage, Current, Power & Energy (kWh) monitoring
✅ OLED display with page-based data visualization
✅ WiFiManager for easy WiFi configuration
✅ Telegram Bot integration (automatic data updates every 3 minutes)
✅ Accurate kWh calculation using PZEM-004T
✅ Designed for home, industry & automation learning
📟 Display Pages:
• Voltage & Current
• Power & Energy (kWh)
• Frequency & Power Factor
• Project Information Page
🛠️ Technology Used:
ESP8266 | PZEM-004T v3.0 | OLED I2C Display | Telegram Bot | IoT
👨💻 Developed by: VoltACDC Lab
🎓 Submitted by: Sirajganj Polytechnic Institute
This project is a step toward smart energy management and industrial automation.
Feedback and suggestions are always welcome! 😊