Welcome to the IoT Domain of ProjectHive! This domain focuses on Internet of Things projects, embedded systems, sensor integration, and smart device development.
What you'll find here:
- 🔌 IoT device implementations
- 📊 Sensor data collection projects
- 🏠 Smart home automation
- 📡 Wireless communication projects
- ☁️ IoT cloud integration
IoT/
├── Roadmap.md # IoT learning path
├── MiniProjects/ # IoT projects
│ └── Example_IoT.md # Project template
└── Starter-Templates/ # IoT project templates
└── Starter_IoT.md # IoT starter templates
- Basic electronics knowledge
- Understanding of microcontrollers
- Programming skills (Python, C/C++, Arduino)
- Familiarity with sensors and actuators
- Basic networking concepts
- Microcontroller: Arduino, ESP8266, ESP32, Raspberry Pi
- Sensors: Temperature, humidity, motion, light, etc.
- Actuators: LEDs, motors, relays, buzzers
- Connectivity: WiFi module, Bluetooth, LoRa
- Review Roadmap: Check Roadmap.md for learning path
- Explore Projects: Browse MiniProjects/
- Use Templates: Start with Starter Templates
- Build IoT Device: Create your IoT project!
- 💡 LED control via WiFi
- 🌡️ Temperature monitoring system
- 🚪 Smart door lock
- 💧 Water level indicator
- 🔔 Motion detection alarm
- 🏠 Home automation system
- 🌱 Smart plant watering system
- 🚗 Vehicle tracking system
- 📊 Environmental monitoring station
- 🔐 RFID access control
- 🏭 Industrial IoT monitoring
- 🌾 Smart agriculture system
- 🚨 Complete security system with cameras
- ⚡ Smart energy management system
- 🏥 Health monitoring wearable
Get started with these templates:
-
Arduino IoT Project - View Template
- Sensor data collection
- WiFi connectivity
- Cloud data upload
-
ESP32 MQTT Project
- MQTT protocol implementation
- Real-time data streaming
- Remote control
-
Raspberry Pi Dashboard
- Python Flask web interface
- Real-time sensor monitoring
- Data visualization
- Electronics basics (voltage, current, resistance)
- Arduino programming
- Basic sensors (DHT11, LDR, PIR)
- Digital and analog I/O
- Serial communication
- ESP8266/ESP32 programming
- WiFi and Bluetooth
- MQTT protocol
- Cloud platforms (ThingSpeak, Blynk)
- PCB design basics
- Raspberry Pi with IoT
- Edge computing
- IoT security
- Custom protocol development
- Power optimization
- Industrial IoT (IIoT)
- LoRaWAN and NB-IoT
- Machine learning on edge devices
- IoT system architecture
- Scalable IoT solutions
📖 Full Roadmap: Roadmap.md
- Arduino Documentation - Arduino reference
- ESP32 Docs - ESP32 technical reference
- Raspberry Pi Documentation - Pi guides
- MQTT Protocol - MQTT specifications
- Adafruit Learn - Electronics tutorials
- Paul McWhorter - Arduino tutorials
- Andreas Spiess - IoT projects
- DroneBot Workshop - Electronics
- GreatScott! - DIY electronics
- Getting Started with Arduino by Massimo Banzi
- Programming the Raspberry Pi by Simon Monk
- IoT Fundamentals by David Hanes
- Tinkercad Circuits - Online Arduino simulator
- Wokwi - ESP32 simulator
- Hackster.io - IoT project tutorials
- Arduino - Beginner-friendly platform
- ESP8266 - WiFi-enabled microcontroller
- ESP32 - Advanced WiFi + Bluetooth
- Raspberry Pi - Single-board computer
- NodeMCU - Lua-based IoT platform
- MQTT - Lightweight messaging
- HTTP/HTTPS - Web communication
- CoAP - Constrained Application Protocol
- Bluetooth/BLE - Short-range wireless
- LoRa - Long-range, low-power
- ThingSpeak - IoT data platform
- Blynk - Mobile app for IoT
- AWS IoT Core - AWS IoT services
- Azure IoT Hub - Microsoft IoT
- Google Cloud IoT - Google IoT platform
- C/C++ - Arduino, ESP32
- Python - Raspberry Pi, MicroPython
- JavaScript - Node-RED, web dashboards
- Lua - NodeMCU
YourIoTProject/
├── README.md # Project documentation
├── hardware/ # Hardware schematics
│ ├── circuit-diagram.png
│ └── components-list.md
├── firmware/ # Microcontroller code
│ ├── main.ino # Arduino sketch
│ └── config.h # Configuration
├── server/ # Backend code (if applicable)
│ └── app.py
├── dashboard/ # Frontend dashboard
│ └── index.html
└── docs/ # Additional documentation
└── setup-guide.md
✅ DO:
- Include complete circuit diagrams
- Provide component lists with specifications
- Document pin connections clearly
- Include photos of working prototype
- Add safety warnings if needed
- Test thoroughly before submitting
- Include
**Contributor:** YourGitHubUsername
❌ DON'T:
- Skip safety considerations (especially with high voltage)
- Ignore proper power supply requirements
- Submit untested code
- Use proprietary components without alternatives
- Forget to document pin connections
# Project Name
**Contributor:** YourGitHubUsername
**Domain:** IoT
**Difficulty:** [Beginner/Intermediate/Advanced]
## Description
Brief description of the IoT project and its functionality.
## Features
- Real-time sensor monitoring
- WiFi connectivity
- Mobile app control
- Data logging
- [Other features]
## Hardware Components
| Component | Quantity | Specifications |
|-----------|----------|----------------|
| ESP32 | 1 | DevKit V1 |
| DHT22 | 1 | Temperature & Humidity sensor |
| LED | 2 | 5mm, red & green |
| Resistor | 2 | 220Ω |
| Breadboard | 1 | 830 points |
| Jumper Wires | 10 | Male-to-male |
**Estimated Cost**: $15-20 USD
## Circuit Diagram
### Pin Connections
\`\`\`
ESP32 DHT22 Sensor
----- ------------
3.3V ----> VCC
GND ----> GND
GPIO4 ----> DATA
ESP32 LED (Status)
----- ------------
GPIO2 ----> LED+ (with 220Ω resistor)
GND ----> LED-
\`\`\`
## Software Stack
- **Microcontroller**: ESP32
- **IDE**: Arduino IDE 2.0
- **Libraries**:
- DHT sensor library
- WiFi.h
- PubSubClient (MQTT)
- **Cloud**: ThingSpeak / Blynk
- **Dashboard**: React (optional)
## Setup Instructions
### 1. Hardware Setup
1. Connect components as per circuit diagram
2. Double-check all connections
3. Connect ESP32 to computer via USB
### 2. Software Setup
\`\`\`bash
# Install Arduino IDE
# Add ESP32 board support
# Install required libraries
# Open firmware/main.ino
# Update WiFi credentials in config.h
\`\`\`
### 3. Configuration
\`\`\`cpp
// config.h
#define WIFI_SSID "YourWiFi"
#define WIFI_PASSWORD "YourPassword"
#define MQTT_SERVER "broker.mqtt.org"
#define MQTT_PORT 1883
\`\`\`
### 4. Upload Code
1. Select board: ESP32 Dev Module
2. Select correct COM port
3. Click Upload
4. Monitor serial output (115200 baud)
## Usage
1. Power on the device
2. Wait for WiFi connection (blue LED blinks)
3. Open mobile app / web dashboard
4. View real-time sensor data
5. Control devices remotely
## Sample Output
\`\`\`
[INFO] Connecting to WiFi...
[INFO] WiFi connected!
[INFO] IP Address: 192.168.1.100
[INFO] Temperature: 25.5°C
[INFO] Humidity: 60.2%
[INFO] Data sent to cloud
\`\`\`
## Troubleshooting
**Issue**: Device won't connect to WiFi
**Solution**: Check SSID/password, ensure 2.4GHz network
**Issue**: Sensor readings are incorrect
**Solution**: Check wiring, add pull-up resistor if needed
## Future Enhancements
- Add more sensors
- Implement OTA updates
- Create mobile app
- Add battery power support
## Safety Notes
⚠️ Do not exceed voltage ratings
⚠️ Use appropriate power supply
⚠️ Disconnect power when making changes
## References
- ESP32 datasheet
- DHT22 sensor documentation
- MQTT protocol guide- Safety First: Always check voltage and current ratings
- Documentation: Clear circuit diagrams and pin mappings
- Modularity: Design for easy troubleshooting
- Power Management: Consider battery life and efficiency
- Security: Secure WiFi credentials and API keys
- Testing: Test each component individually first
- Scalability: Design for future expansions
- Code Comments: Explain hardware-specific code sections
- 💬 Discuss in Discussions
- 🐛 Report in Issues
- 📖 Check IoT Roadmap
- 📚 Browse Learning Resources
Ready to connect things? Check CONTRIBUTING.md to get started!
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