People often forget to water their plants and feel self-condemened when watching their beloved plants dead. Or gardening beginners have to experience failure several times until he/she understands how much water is enough. My initial idea was to create a watering reminder for my dad but this device could help every "green-lovers" to water plants in time or to stop watering when enough.
The device will have the ability to detect the exactly moisture level in soil so that it could distinguish whether water is needed or too much. Users could not only tell the changes of soil moisture from 3 LEDs, but also they will get an immediately SMS message from IFTTT when their plants are thirsty. It should be connected to the Internet as an IoT device so users could get alert remotely and ask their family or friends to help watering when they are not at home.
Then I finished with adding 3 LEDs to the circuit. With my coding, this circuit should work like this: when the soil moisture reaches a high level, all 3 LEDs will light up; when the soil moisture falls a low level, only 1 LED will lights up; and 2 LEDs will light up in these levels between.
The process of making this project is a torture but full of FUN! I am new to circuit and programing so everything I have to learn from the ground up. But this is really a great chance and I enjoyed a lot! It's so amazing when you go through squeezing your head to making objects "alive"--light, sound, etc. Step by step, it's easy, complex and fun!
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