Accelerometer.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using Uniduino;

public class Accelerometer : MonoBehaviour
{
    private Arduino arduino_;
    public Transform target;
    public Vector3 basePinValues = Vector3.zero;
    public Vector3 currentPinValues = Vector3.zero;
    public int rotationCacheNum_ = 10;

    private List<Vector3> rotationCache_ = new List<Vector3>();

    public Vector3 rotation {
        get {
            var sum = Vector3.zero;
            rotationCache_.ForEach(val => { sum += val; });
            return sum / rotationCache_.Count;
        }
    }

    void Start()
    {
        arduino_ = Arduino.global;
        arduino_.Setup(ConfigurePins);
    }

    void Update()
    {
        Debug.Log()
        AddRotationCache(new Vector3(
            arduino_.analogRead(0),
            arduino_.analogRead(1),
            arduino_.analogRead(2)
        ));

        if (target) {
            target.rotation = Quaternion.Euler(rotation);
        }
    }

    void AddRotationCache(Vector3 pinValues)
    {
        currentPinValues = pinValues;
        var diff = pinValues - basePinValues;
        rotationCache_.Add(new Vector3(
            Mathf.Atan2(diff.x, diff.z) / Mathf.PI * 180,
            0,
            Mathf.Atan2(diff.y, diff.z) / Mathf.PI * 180
        ));
        if (rotationCache_.Count > rotationCacheNum_) {
            rotationCache_.RemoveAt(0);
        }
    }

    void ConfigurePins()
    {
        SetAnalog(0);
        SetAnalog(1);
        SetAnalog(2);
    }

    void SetAnalog(int pin)
    {
        arduino_.pinMode(pin, PinMode.ANALOG);
        arduino_.reportAnalog(pin, 1);
    }
}