===== Sample Projects =====
No idea where to start?\\
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This page shows you a simple way to use the Keyestudio IoT Smart Home Kit in your system. 🏠✨ 
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This example demonstrates how you can automate a room using the Keyestudio IoT Smart Home Kit. The system handles entry, exit, lighting, and even reacts to environmental changes like water droplets.

=== Description ===
The system automates a smart room with the following features:
  - When entering the room, the user taps an RFID card or tag on the RFID sensor. The door opens for 2 seconds, the fan turns on, and the light switches on. RFID is needed so that only authorized users can enter the room or house.
  - When exiting, the user presses a button. The door opens for 2 seconds, then closes.
  - If the room is empty (no motion detected by the PIR motion sensor), the light and fan automatically turn off to save energy.
  - The water drop sensor is placed outside to detect rain and if water droplets are detected by the steam/water drop sensor and the window is open, the system closes the window and triggers the buzzer. If the window is already closed, the buzzer simply beeps as a warning.

=== Flow of Scenario ===
  - **Entering the room:**
    - User taps the RFID card/tag on the RFID sensor.
    - The door opens for 2 seconds.
    - The fan and light turn on.
    - The door closes.
  - **Exiting the room:**
    - User presses the button.
    - The door opens for 2 seconds.
    - The door closes.
  - **Room empty:**
    - PIR motion sensor detects no motion.
    - The light and fan automatically turn off after a delay.
  - **Water droplets detected:**
    - Steam/water drop sensor detects water.
    - If the window is open:
       - The window closes.
       - The buzzer beeps as a warning.
    - If the window is already closed:
       - The buzzer simply beeps.

=== List of Components ===
  - **Input Devices:**
    * RFID sensor
    * Button
    * PIR motion sensor
    * Steam/water drop sensor
  - **Processing Unit:**
    * ESP32 PLUS Development Board
  - **Output Devices:**
    * Servo motor (for door and window)
    * Fan (DC motor)
    * Light (Yellow LED)
    * Buzzer

=== Source Code ===
This example was done using Arduino IDE. You can find the Arduino code for this system here: [[https://drive.google.com/file/d/1NY1NoNDPdqI5OR-dzoGTPmY9owv3kibi/view?usp=sharing | samplecode]]