But, every single time, when they returned to Singapore, along with their parents, they would be greeted with the sight of plants that had withered away or were on the edge of dying.
After this had happened a few times, the duo decided to design an automatic watering system for plants.
Aekas explains, “The hygrometer which is connected to the circuit board, is placed inside the soil, and once it detects dryness, it sends a signal to the circuit board. The board is connected to a motor placed inside a water tank.
Following detection, the circuit board runs the motor, which pumps the water from the water tank into the dry soil through a pipe. Once the soil is sufficiently moist, another signal goes to the circuit board, which then stops the motor and in turn the pumping."
A two-litre water tank is connected to the system by a water pump motor. The connecting pipe is left in the pot, and when the hygrometer detects less than optimum moisture in the soil, it lets the water pass through the filled tank.
The system can be connected to multiple plant pots and depending upon the water that they consume, the tank needs to be filled manually. On average, a single plant requires the tank to be filled every two weeks or so.
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