Code Module 4 Quiz | OceanRemote Education

1 What is the first step in solar sensor setup?

A) Read sensor and calibrate B) Connect WiFi C) Deep sleep D) Send data

2 How long should deep sleep be for soil sensors?

A) 1 second B) 5 seconds C) 5-15 minutes D) 1 hour

3 What overrides irrigation when raining?

A) Soil moisture B) Rain sensor C) Temperature D) Humidity

4 What protects ESP32 from pump spikes?

A) Optocoupler relay B) Resistor C) Capacitor D) LED

5 What is the purpose of RTC_DATA_ATTR?

A) Preserve data during deep sleep B) Delete data C) Speed up code D) Enable WiFi

6 What should you do after sending data?

A) Wait 1 hour B) Read sensor again C) Disconnect WiFi and deep sleep D) Reboot

7 What is the best wake interval for battery sensors?

A) 1 second B) 5-15 minutes C) 1 hour D) 1 day