Scary Spider Droppper with motion sensor

1#include <Servo.h>
2#include <NewPing.h>
3
4#define TRIGGER_PIN   7  // Arduino pin tied to trigger pin on the ultrasonic sensor.
5#define ECHO_PIN      7  // Arduino pin tied to echo pin on the ultrasonice sensor.
6#define MAX_DISTANCE  200 // Maximum distance we want to ping fro (in centimeters). Maximum sensor distance  is rated at 400-500cm.
7
8NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);  // NewPing setup of pins and maxium distance.
9
10Servo drop; //180 degree servo
11Servo  lift; //continuous rotation servo
12int state = 0; // state of 0 means don't drop  the spider again until no one is in front of the ping senser - e.g. a "debounce"
13
14int  storeCM = 0;
15
16//Important Variables to Addjust!
17int tripdistance = 40;  //drop spider when object is within 40 CM of Ping Sensor!
18int lifttime = 16000;  // 100 = 1 Second. Depending on how long you string is and/or how high up your want  the spider, adjust this time to lift the spider back up!
19
20
21void setup()  {
22  Serial.begin(115200);
23  drop.attach(9); // attach the "Drop" servo (the  180 degree servo) on Digital Pin 9
24  lift.attach(10); // attach the "Lift"  servo (the continuous rotation servo) on Digital Pin 10
25  drop.write(150); //  drop to make sure the spider is down
26  delay(1000);
27  drop.write(80);
28  lift.write(180); // lift the spider up on startup
29  delay(lifttime);
30  lift.write(90);  
31
32}
33
34void loop() {
35  Serial.print("Distance: ");
36  Serial.println(sonar.ping_cm());  // Send ping, get distance in cm and print result ( 0 = outside set distance range)
37  storeCM=sonar.ping_cm();
38
39  if(storeCM <= tripdistance && storeCM > 3 &&  state == 1) {
40    Serial.println("DROP THE SPIDER!");
41    drop.write(150);  //Drop the Spider!
42    delay(5000); // wait 5 seconds until we lift the spider  up by winding string
43    drop.write(80); // position to lift the spider up by  winding string
44    lift.write(180);
45    delay(lifttime); //lifting the spider
46    lift.write(90); // stop lifting the spider
47    delay(1000);
48    delay(100);
49    state = 0;    
50  }
51
52  if(storeCM > tripdistance && state == 0) {
53    state = 1;
54  }
55
56}