Mehedi's IoT Academy

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25/02/2026

Mini Humidifier

🔐 Smart IoT RFID Door Lock SystemA Project by Mehedi’s IoT AcademyI’m proud to present my latest IoT-based Smart RFID Do...
23/01/2026

🔐 Smart IoT RFID Door Lock System
A Project by Mehedi’s IoT Academy

I’m proud to present my latest IoT-based Smart RFID Door Lock System, designed with a strong focus on security, automation, and real-time cloud monitoring. This project demonstrates how embedded systems and IoT platforms can be combined to build reliable smart security solutions.

✨ Key Features

✅ RFID Access Control – Secure entry limited to authorized RFID cards
✅ OLED Display Interface – Displays system status, alerts, and user information
✅ Manual Override Button – Allows instant lock/unlock in emergency situations
✅ Wrong Attempt Detection – Alarm activation after 5 consecutive failed attempts
✅ ThingSpeak Cloud Integration – Real-time logging and monitoring of access events
✅ Auto-Lock Mechanism – Automatically locks the door after a predefined time
✅ Visual & Audio Feedback – LED and buzzer indications for all system actions

🔧 Hardware Components

• ESP32 Microcontroller
• MFRC522 RFID Reader
• 128×64 OLED Display
• Relay Module for door locking control
• LEDs & Buzzer for alerts and status indication
• ThingSpeak Cloud Platform for remote monitoring

💡 Project Highlights

This system is developed using non-blocking programming techniques, ensuring smooth multitasking, real-time responsiveness, and enhanced system reliability. The project emphasizes a security-first design approach, making it suitable for smart homes, offices, and institutional access control systems.

📌 Mehedi’s IoT Academy – Learn. Build. Innovate.

🔋 12V Lithium-Ion Battery Pack (3-Cell) with BMS✔️ Safe & reliable power solution✔️ Built-in BMS for overcharge & short-...
23/01/2026

🔋 12V Lithium-Ion Battery Pack (3-Cell) with BMS

✔️ Safe & reliable power solution
✔️ Built-in BMS for overcharge & short-circuit protection
✔️ Perfect for IoT, robotics, solar & DIY projects

📍 Available at Mehedi’s IoT Academy
📩 Inbox for details & orders
📱 WhatsApp: 01701-801788

LoRa based Plant Monitoring System
21/01/2026

LoRa based Plant Monitoring System

Smart Poultry Brooding System (ESP32 + DS18B20 + OLED)Excited to share my latest IoT-based funding project!This system i...
20/01/2026

Smart Poultry Brooding System (ESP32 + DS18B20 + OLED)
Excited to share my latest IoT-based funding project!

This system is designed to automatically control the temperature inside a poultry brooder using real-time data from a DS18B20 sensor, helping farmers maintain ideal conditions for chicks.

Key Features:
🔹 Real-time temperature display on OLED screen
🔹 Automatic relay control for heater & cooling fan
🔹 Intelligent temperature threshold system (default: 45°C)
🔹 Fault detection & error alerts for safety
🔹 Built using ESP32, DS18B20, and Adafruit SSD1306 OLED
Project Type: Research & Development – Funding Project
Objective: To develop a low-cost smart poultry management system for sustainable and efficient brooding, especially for small and rural farms.

🐣 This innovation aims to minimize manual monitoring, improve chick survival rates, and reduce energy waste.











Smart IoT RFID Door Lock – Mehedi’s IoT Academy Project Proud to share my latest IoT-based Smart RFID Door Lock System!T...
16/01/2026

Smart IoT RFID Door Lock – Mehedi’s IoT Academy Project
Proud to share my latest IoT-based Smart RFID Door Lock System!
This isn’t just any door lock – it’s packed with security, automation, and cloud monitoring features.
✨ Key Features:
✅ RFID Access Control – Only authorized cards can unlock.
✅ OLED Display Interface – Shows system status, alerts, and user
info.
✅ Manual Override Button – Instant lock/unlock when needed.
✅ Wrong Attempt Detection – Alarm triggers after 5 failed attempts.
✅ ThingSpeak Integration – Logs all access events to the cloud in real time.
✅ Auto-Lock – Door automatically locks after a set time.
✅ Visual & Audio Alerts – LEDs and buzzer feedback for every action.
🔧 Hardware Used:
ESP32 microcontroller
MFRC522 RFID Reader
128×64 OLED Display
Relay Module for door control
LEDs & Buzzer for status and alerts
ThingSpeak Cloud for remote monitoring
💡 Why it’s special:
This project is built with non-blocking code for smooth operation, real-time updates, and security-first design. It’s a perfect blend of electronics, programming, and IoT cloud technology.





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