def getListCameraSensors():
    dao = DAO()
    sensors = dao.getListCameraSensors()
    c_list = []
    for sensor in sensors:
        c_list.append({'id_sensor': sensor.id, 'name' : sensor.name,'ip_address' : sensor.ip_address, 'current' : sensor.current_value, 'login' : sensor.login, 'password' : sensor.password}) 
    return json.dumps(c_list)