Temperature Control Day 2

The Temperature sensor system and Fan system communicate with each other using ...

• Sound waves

• Infrared

• Microwaves

• Radio waves

What is the purpose of a Temperature Control System?

• Maintain temperature of surrounding air at a temperature that is best for plants' growth

• Control surrounding temperature of plants using an automated fan system to improve plants' survival rates

• Tell farmers the best surrounding temperature for plants to improve their survival rates

• Alert farmer when temperature of surrounding air is too high for plants to survive

What is NOT a benefit of a Temperature Control system?

• Tell farmers when they need to cool plants down when surrounding temperature is too high

• Help increase productivity of farmers by automatically controlling surrounding temperature

• Help improve plants' survival and resilience by maintaining an optimal surrounding temperature

• Help reduce labour work of farmers by helping to control temperature automatically

What is a relay?

• A programmable electronic switch

• A manual switch to control current flow

• A current source for circuits

• An electronic component used to reduce current flow

What happens if value of dht11 temperature at P0 = 27°C?

• radio send string "hot"

• radio send string "cold"