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#include <Servo.h> Servo myservo; const int sensor = 0; const int motor = 9; int value; int pos = 0; void setup() { Serial.begin(9600); Serial.println("Now we've started"); pinMode(motor, OUTPUT); pinMode(sensor, INPUT); myservo.attach(9); } void loop() { value = analogRead(sensor); Serial.println(value); value = map(value, 700, 900, 0, 255); analogWrite(motor, value); delay(100); if (analogRead(sensor) > 950) { //if the light is shone, the eye will blink for (pos = 0; pos <= 180; pos += 1) { myservo.write(pos); delay(15); } } if (analogRead(sensor) < 600) { //opens the eye after the blink for (pos = 180; pos >= 0; pos -= 1) { myservo.write(pos); delay(15); } } } |
For this project, I made an eye that “blinks” when a light is shown in it’s pupil. It uses just a light sensor(the pupil) and a servo motor(the eyelashes). The problems I found with this project were making the eyelash flexible enough to work with one motor. The foam I used was terrible, so I had to make a slip for the motor arm to be put into and a push pin to allow it to flexibly move. I also somehow misread that we were supposed to use DC motors and not servo motors, so I used a servo instead.
Here is the link to a video of my project.