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vs other IoT platforms
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Soil Moisture Sensors Quiz
🎯 Passing score: 70% • 📝 7 questions • ⏱️ 10 minutes
0 of 7 answered
1
What is the ideal soil moisture range for most vegetables?
A) 20-30%
B) 60-80%
C) 90-100%
D) 0-10%
2
Which type of soil moisture sensor lasts longer and doesn't corrode?
A) Resistive
B) Capacitive
C) Both equally
D) Neither
3
What happens when soil moisture drops below 30%?
A) Plants grow faster
B) Plants experience water stress
C) Nothing changes
D) Soil becomes more fertile
4
How often should you calibrate your soil moisture sensor?
A) Never
B) Daily
C) Once at installation, then occasionally
D) Every hour
5
What is the typical cost of a basic soil moisture sensor?
A) $1-2
B) $5-10
C) $50-100
D) $200+
6
Which pin on ESP32 reads analog soil moisture sensors?
A) Any digital pin
B) ADC pins (GPIO32-39)
C) Only pin 13
D) Power pins
7
Why does sandy soil need more frequent watering than clay soil?
A) Sandy soil drains faster
B) Sand repels water
C) Clay holds less water
D) Sandy soil is deeper
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