/*
  https://github.com/Dlloydev/Wokwi-Chip-Scope
  by David Lloyd, March 2023.

  This 4 channel scope chip allows you to graph four analog or digital
  signals as they vary over time.
*/

#include <Servo.h>
Servo myservo;

int servoPin = 10;
int pwmPin = 11;
int nledPin = 12;
int ledPin = 13;
int pos = 0;
bool ledState;

void setup() {
  myservo.attach(servoPin);
  pinMode(ledPin, OUTPUT);
  pinMode(nledPin, OUTPUT);
  pinMode(pwmPin, OUTPUT);
  analogWrite(pwmPin, 63);
}

void loop() {
  for (pos = 0; pos <= 180; pos += 1) {
    ledState = !ledState;
    digitalWrite(ledPin, ledState);
    digitalWrite(nledPin, !ledState);
    myservo.write(pos);
    delay(5);
  }
  for (pos = 180; pos >= 0; pos -= 1) {
    ledState = !ledState;
    digitalWrite(ledPin, ledState);
    digitalWrite(nledPin, !ledState);
    myservo.write(pos);
    delay(5);
  }
}