#include <Servo.h>

Servo coxa;
Servo femur;
Servo tibia;

void setup() {
  // My PWM pins (3, 5, and 6) as now
  coxa.attach(3);
  femur.attach(5);
  tibia.attach(6);
}

void loop() {
  // Standing Position
  coxa.write(90);
  femur.write(45);
  tibia.write(90);
  delay(1000);

  // Step movements
  femur.write(20); // Lift
  delay(500);
  coxa.write(120); // Move forward
  delay(500);
  femur.write(45); // Put down
  delay(500);
}