Fish Tank Temperature Control

This project will measure the fish tank temperature and turn on a heater if the tank is too cold.

A relay will be used to switch the heater on or off.

A thermistor will be used to measure the temperature.

A comparator will be used to process the temperature measurements.

Item/Date

My project will ...

This will be tested by ...

Test results

Action taken to remedy problem

1 - 07/12/05 measure the temperature of a fish tank

Heating and cooling the tank

measuring the tank temperature with a thermometer

measuring the thermistor output

   
2 - 07/12/05 turn on a heater if the tank is too cold measuring the comparator circuit to see if it turns on/off at the correct temperature    
3 - 07/12/05 provide enough current to turn on the relay to turn on the heater