diff --git a/pulses/methods.py b/pulses/methods.py
new file mode 100644
index 0000000..f485621
--- /dev/null
+++ b/pulses/methods.py
@@ -0,0 +1,68 @@
+"""
+Predefined methods
+"""
+
+"""
+Delay methods
+"""
+
+
+def delay_sin(obj, step):
+    return math.sin(math.radians(1.8*step)) * obj.delay
+
+
+def delay_cos(obj, step):
+    return abs(math.cos(math.radians(1.8*step))) * obj.delay
+
+
+def delay_constant(obj, step):
+    return obj.delay
+
+
+"""
+Values methods
+"""
+
+
+def value_on(obj, step):
+    """
+    Always on at "max" brightness
+    """
+
+    return obj.max
+
+
+def value_off(obj, step):
+    """
+    Always off
+    """
+
+    return 0
+
+
+def value_linear(obj, step):
+    """
+    Saw patterned value, 0-1-0
+    """
+
+    if step < 50:
+        return obj.delta*step/50 + obj.min
+    else:
+        return obj.delta * (100-step)/50 + obj.min
+
+
+def value_sin(obj, step):
+    """
+    Sinusoidal values, 0-1-0 /\
+    """
+
+    radians = math.radians(1.8 * step)
+    return obj.delta * math.sin(radians) + obj.min
+
+
+def value_cos(obj, step):
+    """
+    Absolute Cosinusoidal values, 1-0-1 \\//
+    """
+    radians = math.radians(1.8 * step)
+    return obj.delta * abs(math.cos(radians)) + obj.min
diff --git a/pulses/pulses.py b/pulses/pulses.py
index 0f77543..ece85a3 100644
--- a/pulses/pulses.py
+++ b/pulses/pulses.py
@@ -1,37 +1,14 @@
 import logging
 import sys
-import math
 import time
 import threading
+from .worker import ledWorker
+from .methods import *  # NOQA
 
 if sys.platform == "linux":
     import RPi.GPIO as GPIO
 
 
-class ledWorker(threading.Thread):
-    """
-    This is the thread that runs the main loop
-    and actually drives the LED
-    """
-
-    def __init__(self, parent):
-        super().__init__(name=parent.name, daemon=True)
-        self.log = logging.getLogger(self.__class__.__name__)
-        self.parent = parent
-
-        self.changed = self.parent.changed
-
-        self.stop_event = threading.Event()
-
-    def run(self):
-        self.log.debug(f"running {self.name} main loop...")
-        self.parent.loop()
-
-    def stop(self):
-        self.stop_event.set()
-        self.log.debug(f"stopping {self.name}...")
-
-
 class ledPulse:
     """
     There are 4 states of pulsing:
@@ -41,17 +18,17 @@ class ledPulse:
      - fast: pulse with delay/2;
      """
 
-    delayModes = ['constant', 'sin', 'cos']
-    valueModes = ['on', 'off', 'linear', 'sin', 'cos']
-    modes = {'delay': {}, 'value': {}}
+    delayMethods = ['constant', 'sin', 'cos']
+    valueMethods = ['on', 'off', 'linear', 'sin', 'cos']
+    methods = {'delay': {}, 'value': {}}
 
     defaultSet = {
         'min': 2,
         'max': 100,
         'delay': 0.01,
-        'delayMode': 'constant',
+        'delayMethod': 'constant',
         'initialMode': None,
-        'valueMode': 'linear',
+        'valueMethod': 'linear',
         'finalMode': None
     }
 
@@ -84,10 +61,10 @@ class ledPulse:
         self.log.info(f"platform '{sys.platform}' " +
                       f"support: {sys.platform == 'linux'}")
 
-        for dm in self.delayModes:
+        for dm in self.delayMethods:
             self.register_delay_method(dm, eval(f"delay_{dm}"))
 
-        for vm in self.valueModes:
+        for vm in self.valueMethods:
             self.register_value_method(vm, eval(f"value_{vm}"))
 
         # Add thread placeholder
@@ -104,11 +81,6 @@ class ledPulse:
             # on unsupported platforms, we just print the value
             print(value)
 
-    # def set(self, min=2, max=50, delay=1,
-    #         delayMode='constant',
-    #         valueMode='linear',
-    #         initialMode=None,
-    #         finalMode=None):
     def set(self, **kwargs):
 
         # for key, value in self.defaultSet.items():
@@ -122,45 +94,36 @@ class ledPulse:
                 self.log.warning(f"set: unknown parameter '{key}'")
         self.delta = self.max - self.min
 
-        # self.min = min
-        # self.max = max
-        # self.delay = delay
-        # self.delayMode = delayMode
-        # self.valueMode = valueMode
-        # self.initialMode = initialMode
-        # self.finalMode = finalMode
-
         if self._set:
             if self.worker and self.worker.is_alive():
                 print("worker running, notify change")
                 self.worker.changed.set()
 
-
     # VALUES CALCULATION
     def calcValues(self, initialStep, finalStep):
 
-        if not (self.delayMode in self.modes['delay']
-                and self.valueMode in self.modes['value']):
-            self.log.error(f"Invalid parameters, delayMode:{self.delayMode}, "
-                            f"valueMode:{self.valueMode}")
+        if not (self.delayMethod in self.methods['delay']
+                and self.valueMethod in self.methods['value']):
+            self.log.error(f"Invalid parameters, delayMethod:{self.delayMethod}, "
+                           f"valueMethod:{self.valueMethod}")
             return
 
-        self.log.debug(f"fill cycle values table, valueMode:{self.valueMode}, "
-                       f"delayMode:{self.delayMode}, min:{self.min}, "
+        self.log.debug(f"fill cycle values table, valueMethod:{self.valueMethod}, "
+                       f"delayMethod:{self.delayMethod}, min:{self.min}, "
                        f"max:{self.max}, delay:{self.delay}")
 
         values = []
         for step in range(initialStep, finalStep):
             try:
-                delay = self.modes['delay'][self.delayMode](self, step)
+                delay = self.methods['delay'][self.delayMethod](self, step)
             except NameError:
-                self.log.error(f"delay function for '{self.delayMode}' "
+                self.log.error(f"delay function for '{self.delayMethod}' "
                                 "not found")
                 return
             try:
-                value = self.modes['value'][self.valueMode](self, step)
+                value = self.methods['value'][self.valueMethod](self, step)
             except NameError:
-                self.log.error(f"value function for '{self.valueMode}' not found")
+                self.log.error(f"value function for '{self.valueMethod}' not found")
                 return
             values.append((value, delay))
         return values
@@ -247,72 +210,8 @@ class ledPulse:
             self.log.warning(f"unknown kind {kind}")
             return
 
-        if name not in self.modes[kind]:
-            self.modes[kind][name] = fn
+        if name not in self.methods[kind]:
+            self.methods[kind][name] = fn
             self.log.info(f"registered {kind} method '{name}'")
         else:
             self.log.warning(f"{kind} method '{name}' already defined")
-
-
-####
-# Predefined functions
-###
-# Delays
-###
-def delay_sin(obj, step):
-    return math.sin(math.radians(1.8*step)) * obj.delay
-
-
-def delay_cos(obj, step):
-    return abs(math.cos(math.radians(1.8*step))) * obj.delay
-
-
-def delay_constant(obj, step):
-    return obj.delay
-
-
-###
-# Values
-###
-def value_on(obj, step):
-    """
-    Always on at "max" brightness
-    """
-
-    return obj.max
-
-
-def value_off(obj, step):
-    """
-    Always off
-    """
-
-    return 0
-
-
-def value_linear(obj, step):
-    """
-    Saw patterned value, 0-1-0
-    """
-
-    if step < 50:
-        return obj.delta*step/50 + obj.min
-    else:
-        return obj.delta * (100-step)/50 + obj.min
-
-
-def value_sin(obj, step):
-    """
-    Sinusoidal values, 0-1-0 /\
-    """
-
-    radians = math.radians(1.8 * step)
-    return obj.delta * math.sin(radians) + obj.min
-
-
-def value_cos(obj, step):
-    """
-    Absolute Cosinusoidal values, 1-0-1 \\//
-    """
-    radians = math.radians(1.8 * step)
-    return obj.delta * abs(math.cos(radians)) + obj.min
diff --git a/pulses/worker.py b/pulses/worker.py
new file mode 100644
index 0000000..a5c9f0f
--- /dev/null
+++ b/pulses/worker.py
@@ -0,0 +1,25 @@
+import threading
+
+
+class ledWorker(threading.Thread):
+    """
+    This is the thread that runs the main loop
+    and actually drives the LED
+    """
+
+    def __init__(self, parent):
+        super().__init__(name=parent.name, daemon=True)
+        self.log = logging.getLogger(self.__class__.__name__)
+        self.parent = parent
+
+        self.changed = self.parent.changed
+
+        self.stop_event = threading.Event()
+
+    def run(self):
+        self.log.debug(f"running {self.name} main loop...")
+        self.parent.loop()
+
+    def stop(self):
+        self.stop_event.set()
+        self.log.debug(f"stopping {self.name}...")
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 053a674..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-build
-PyYAML
-rpi-backlight
diff --git a/setup.cfg b/setup.cfg
index c0a7fe4..9c66c0e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [metadata]
-name = mblight
+name = pulses
 version = 0.90
 author = Andrea Mistrali
 author_email = akelge@gmail.com
@@ -10,12 +10,12 @@ keywords = graylog, py3
 license = BSD 3-Clause License
 
 [options]
-packages = mblight
+packages = pulses
 python_requires = >=3
 include_package_data = True
-install_requires =
-    PyYAML
+# install_requires =
+    # PyYAML
 
-[options.package_data]
-* =
-    config.yaml.example
+# [options.package_data]
+# * =
+#     config.yaml.example
diff --git a/test.py b/test.py
new file mode 100644
index 0000000..cd1b21e
--- /dev/null
+++ b/test.py
@@ -0,0 +1,10 @@
+import logging
+from pulses import pulses
+
+logging.basicConfig(format='%(name)s %(threadName)s %(msg)s')
+
+log = logging.getLogger()
+log.setLevel('DEBUG')
+
+led = pulses.ledPulse(12)
+led.set(delay=1/100, valueMode="sin", max=20)