AQUARIUM AUTOMATION


Fishes are very sensitive to changes in temperature & surround lighting. In this
project we maintain the temperature of the aquarium, the time at which the lights
should be turned ON/OFF & the duration of oxygen motor. For this three relays are
required one each for heater (temperature control), light & the Oxygen Motor. LM 35
is used as the temperature sensor for sensing the waters temperature, ADC 0808 is
used to convert the LM 35’s output into digital value for the controller. RTC (Real
Time Clock) is used for real time according to which the Bulb & the Oxygen motor is
turned ON/OFF. A LCD is used to display the temperature as well as the time for
turning ON & OFF the lights & the blower motor. The timing can be changed using a
keypad & is then stored in the ROM area of the RTC. A battery backup is provided so
even in case of power failure the real time is not corrupted.