Code and Diagram

Controlling a servo with a tact switch, and LED blinking tied to moisture sensor.

// Latest code June 4th
‪#‎include‬ <Servo.h>

Servo servoMain; // Define our Servo
const int buttonPin = 2; // the number of the pushbutton pin
// variables will change:
int buttonState = 0;
int pos = 0; // variable to store the servo position
int sensorPin = A0; // select the input pin for the potentiometer
int sensorValue = 0; // variable to store the value coming from the sensor
const int led = 13; // turn on
const int led2 = 3; // blinking
int ledState = LOW; // ledState used to set the LED
long previousMillis = 0; // will store last time LED was updated
long interval = 1000;

void setup() {
// declare the ledPin as an OUTPUT:
Serial.begin(9600);
pinMode(led, OUTPUT);
pinMode(led2, OUTPUT);
servoMain.attach(10); // servo on digital pin 10
pinMode(buttonPin, INPUT);
servoMain.write(90);
}

void loop() {
sensorValue = analogRead(sensorPin);
delay(1000);
Serial.print("sensor = " );
Serial.println(sensorValue);
if (sensorValue <= 200) { //350-390 range => blinking
digitalWrite(led, LOW);
// Only allowed button to be pressed if no water
// read the state of the pushbutton value:
//buttonState = ;
if (digitalRead(buttonPin) == 1) { // Ground
Serial.println(buttonState);
Serial.println(buttonPin);
servoMain.write(0);
delay(5000);
servoMain.write(90);
delay(500);
} else {
unsigned long currentMillis = millis();

if(currentMillis - previousMillis > interval) {
// save the last time you blinked the LED
previousMillis = currentMillis;

// if the LED is off turn it on and vice-versa:
if (ledState == LOW) {
ledState = HIGH;
} else {
ledState = LOW;
}
digitalWrite(led2, ledState);
}

}
} else if (sensorValue >= 350) {
digitalWrite(led2, LOW); // turn off the other LED first
digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level)
} else {
digitalWrite(led, LOW); // turn the LED off by making the voltage LOW
digitalWrite(led2, LOW); // turn the LED off by making the voltage LOW
}
}