Laravel.io
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class SpawnMinions : MonoBehaviour {

    public Transform node1;
    public GameObject minionPrefab;
    bool spawning = true;

	// Use this for initialization
	void Start () {
        StartCoroutine(spawnMinion());
    }
	
	// Update is called once per frame
	void Update () {
		
	}

    IEnumerator spawnMinion()
    {
        while (spawning)
        {
            yield return new WaitForSeconds(0.2f);
            Instantiate(minionPrefab, node1.transform.position, node1.transform.rotation);
            yield return new WaitForSeconds(5);
        }
    }
}

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