Question

A friend is having a problem with keeping a fish tank at the right temperature so the fish stay healthy. Describe how you could use at least one type of input and one output to create a physical computing device to help this friend.

Answer 1

We can add a water temperature guage with an alarm to show off that the tank is hot or cold

Step-by-step explanation:

Answer 2

Simple:

Step-by-step explanation:

We could add a temperature sensor connected to the water, and a heater / cooler connected to the sensor, we created a program that checks the temperature from the sensor, making sure that when the water is hotter than recommended, we turn on the refrigerator, and when it is cooler, we turn on the heater