Q1. Which sensor can detect dryness of soil?
Answer: Soil Moisture Sensor.
Q2. Why are sensors important in IoT?
Answer: Because they collect real-world data (temperature, moisture, motion, etc.), allowing IoT devices to make smart decisions and automate tasks.
Q3. What will happen if a temperature sensor detects 35°C in an IoT system programmed with an alert at 30°C?
Answer: The system will send an alert (e.g., a notification on dashboard/app).