Soil moisture sensor (hygrometer) and KISS

I always tell everyone about KISS (keep it simple stupid). Do everything as simply as you can. If it can be simpler, make it simpler. Today, I realized I went overboard. I lied. Because today I connected flowers to an Arduino to see when they need watering. 

• Red means it's dry and needs watering. 
• Blue is okay. 
• Green is all good. 

It's very easy to add a voice so the flower would speak from a speaker saying "water me." 

Or to add automatic watering so the water from a bottle would pour itself through a tube. Example here. 

But isn't that over-engineering?

And yet, I preach KISS... 😄

Elements:

https://arduino.ua/prod521-datchik-vlajnosti-pochvi-gigrometr 

https://arduino.ua/prod2966-modyl-rgb-svetodioda-ky-016-dlya-arduino

(The total cost is slightly over 1 euro)

Demo (testing on Production Env 🙀):

Please share your thoughts. 

Would you want this in your home, or is it too much? 💦😂😍

Arduino Code:

int soilSensorPin = A0;

int soilMoistureValue = 0;

// RGB LED pins

int redPin = 13;

int greenPin = 12;

int bluePin = 11;

void setup() {

Serial.begin(9600);

pinMode(redPin, OUTPUT);

pinMode(greenPin, OUTPUT);

pinMode(bluePin, OUTPUT);

}

void loop() {

soilMoistureValue = analogRead(soilSensorPin);

Serial.print("Soil Moisture = ");

Serial.println(soilMoistureValue);

if(soilMoistureValue >= 1000 && soilMoistureValue <= 1023) {

Serial.println("Dry Soil");

setColor(255, 0, 0); // Set LED to red

}

else if(soilMoistureValue >= 500 && soilMoistureValue < 1000) {

Serial.println("Middle Wet Flower");

setColor(0, 0, 255); // Set LED to blue

}

else if(soilMoistureValue >= 0 && soilMoistureValue < 500) {

Serial.println("Wet, Everything is Good");

setColor(0, 255, 0); // Set LED to green

}

delay(1000);

}

void setColor(int red, int green, int blue) {

analogWrite(redPin, red);

analogWrite(greenPin, green);

analogWrite(bluePin, blue);

}