diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..20d749c
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,72 @@
+.PHONY: dev prod cleandev cleanprod compile release publish docs test run
+
+MKFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
+APP_NAME := $(notdir $(patsubst %/,%,$(dir $(MKFILE_PATH))))
+VERSION_FILE := $(dir $(MKFILE_PATH))/VERSION
+VERSION := $(shell sed 's/^ *//;s/ *$$//' $(VERSION_FILE))
+LOG_PREFIX = '${APP_NAME} | ${MIX_ENV}:'
+
+dev: export MIX_ENV = dev
+dev: compile
+	@echo MAKE DONE: $@
+
+prod: export MIX_ENV = prod
+prod: git-status-test cleanprod compile
+	@echo MAKE DONE: $@
+
+compile:
+	@echo ${LOG_PREFIX} getting deps
+	@mix deps.get 1>/dev/null
+	@echo ${LOG_PREFIX} compiling deps
+	@mix deps.compile 1>/dev/null
+	@echo ${LOG_PREFIX} compiling application
+	@mix compile 
+	@echo MAKE DONE: $@
+
+cleandev: export MIX_ENV = dev
+cleandev:
+	@echo ${LOG_PREFIX} cleaning
+	@rm -rf _build/dev deps
+	@echo MAKE DONE: $@
+
+cleanprod: export MIX_ENV = prod
+cleanprod:
+	@echo ${LOG_PREFIX} cleaning
+	@rm -rf _build/prod deps
+	@echo MAKE DONE: $@
+
+release: export MIX_ENV = prod
+release: prod
+	@echo ${LOG_PREFIX} creating release
+	@mix release --env=prod
+	@echo MAKE DONE: $@
+
+publish: test docs prod
+	@echo ${LOG_PREFIX} tagging with current version: $(VERSION)
+	@git tag -a "v$(VERSION)" -m "version $(VERSION)"
+	@echo ${LOG_PREFIX} pushing repository to origin
+	@git push 
+	@echo ${LOG_PREFIX} pushing tag to origin
+	@git push origin "v$(VERSION)"
+	@echo ${LOG_PREFIX} publishing version $(VERSION) to hex
+	@mix hex.publish
+	@echo MAKE DONE: $@
+
+docs: git-status-test
+	@echo ${LOG_PREFIX} updating documentation
+	@mix docs 1>/dev/null
+	@echo MAKE DONE: $@
+
+run:
+	iex -S mix
+
+test:
+	@echo ${LOG_PREFIX} running tests
+	@mix test
+	@echo MAKE DONE: $@
+
+git-status-test:
+	@test -z "$(shell git status -s 2>&1)" \
+          && echo "Git repo is clean" \
+          || (echo "Failed: uncommitted changes in git repo" && exit 1)
+
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..0ea3a94
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+0.2.0
diff --git a/lib/exred_node_picar.ex b/lib/exred_node_picar.ex
index 2b78ff4..56746ee 100644
--- a/lib/exred_node_picar.ex
+++ b/lib/exred_node_picar.ex
@@ -31,63 +31,50 @@ defmodule Exred.Node.Picar do
   }
   @ui_attributes %{left_icon: "directions_car"}
 
-
-  alias Exred.Scheduler.DaemonNodeSupervisor
   alias Exred.Node.Picar.FrontWheels
   alias Exred.Node.Picar.RearWheels
-
-  use Exred.Library.NodePrototype
-  
   require Logger
-
+  use Exred.NodePrototype
 
   @impl true
-  def node_init(state) do
-    children = [
+  def daemon_child_specs(config) do
+    [
       %{
         id: I2C,
         start: {ElixirALE.I2C, :start_link, [@i2c_device, @i2c_address, [name: :i2c]]}
-        #start: {ElixirALE.I2C, :start_link, [state.config.i2c_device.value, state.config.i2c_address.value, [name: :i2c]]}
       },
       Exred.Node.Picar.PWM,
       Exred.Node.Picar.RearWheels,
       Exred.Node.Picar.FrontWheels
     ]
-
-    # start children
-    Enum.each children, fn(child) ->
-      case DaemonNodeSupervisor.start_child(child) do
-        {:ok, _pid} -> :ok
-        {:error, {:already_started, _pid}} -> :ok
-        {:error, other} ->
-          event = "notification"
-          debug_data = %{msg: "Could not initialize " <> @name}
-          event_msg = %{node_id: state.node_id, node_name: @name, debug_data: debug_data}
-          EventChannelClient.broadcast event, event_msg
-      end
-    end
-
-    state
   end
 
   @impl true
   def handle_msg(msg, state) do
     case msg.payload do
       "stop" ->
-        RearWheels.stop
+        RearWheels.stop()
+
       {"speed", speed} ->
         RearWheels.speed(speed)
+
       {"left", angle} ->
-        FrontWheels.left angle
+        FrontWheels.left(angle)
+
       {"right", angle} ->
-        FrontWheels.right angle
-      "straight" -> 
-        FrontWheels.straight
+        FrontWheels.right(angle)
+
+      "straight" ->
+        FrontWheels.straight()
+
       _ ->
-         Logger.warn "UNHANDLED MSG node: #{state.node_id} #{get_in(state.config, [:name, :value])} msg: #{inspect msg}"
+        Logger.warn(
+          "UNHANDLED MSG node: #{state.node_id} #{get_in(state.config, [:name, :value])} msg: #{
+            inspect(msg)
+          }"
+        )
     end
+
     {nil, state}
   end
-
 end
-
diff --git a/mix.exs b/mix.exs
index 07faf04..acef9e2 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,11 +2,12 @@ defmodule Exred.Node.Picar.MixProject do
   use Mix.Project
 
   @description "Exred node to control a SunFounder PiCar"
+  @version File.read!("VERSION") |> String.trim()
 
   def project do
     [
       app: :exred_node_picar,
-      version: "0.1.0",
+      version: @version,
       elixir: "~> 1.6",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
@@ -25,9 +26,9 @@ defmodule Exred.Node.Picar.MixProject do
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [
-      {:ex_doc, "~> 0.18.0", only: :dev, runtime: false},
-      {:exred_library, "~> 0.1.11"},
       {:elixir_ale, "~> 1.0"},
+      {:exred_nodeprototype, "~> 0.2"},
+      {:ex_doc, "~> 0.19.0", only: :dev, runtime: false}
     ]
   end
 
@@ -36,11 +37,10 @@ defmodule Exred.Node.Picar.MixProject do
       licenses: ["MIT"],
       maintainers: ["Zsolt Keszthelyi"],
       links: %{
-        "GitHub" => "https://github.com/exredorg/exred_node_picar",
+        "GitHub" => "https://github.com/exredorg/exred_node_picar.git",
         "Exred" => "http://exred.org"
       },
-      files: ["lib", "mix.exs", "README.md", "LICENSE"]
+      files: ["lib", "mix.exs", "README.md", "LICENSE", "VERSION"]
     }
   end
-
 end
diff --git a/mix.lock b/mix.lock
index 08e8ca2..9d4a10b 100644
--- a/mix.lock
+++ b/mix.lock
@@ -3,13 +3,17 @@
   "connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [:mix], [], "hexpm"},
   "db_connection": {:hex, :db_connection, "1.1.3", "89b30ca1ef0a3b469b1c779579590688561d586694a3ce8792985d4d7e575a61", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"},
   "decimal": {:hex, :decimal, "1.5.0", "b0433a36d0e2430e3d50291b1c65f53c37d56f83665b43d79963684865beab68", [:mix], [], "hexpm"},
-  "earmark": {:hex, :earmark, "1.2.6", "b6da42b3831458d3ecc57314dff3051b080b9b2be88c2e5aa41cd642a5b044ed", [:mix], [], "hexpm"},
+  "earmark": {:hex, :earmark, "1.3.0", "17f0c38eaafb4800f746b457313af4b2442a8c2405b49c645768680f900be603", [:mix], [], "hexpm"},
   "elixir_ale": {:hex, :elixir_ale, "1.1.0", "06e77697fa0bd7aff5f9040d8be8ba7947e5833de2a12d1a25f54332556b4e90", [:make, :mix], [{:elixir_make, "~> 0.4", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm"},
   "elixir_make": {:hex, :elixir_make, "0.4.2", "332c649d08c18bc1ecc73b1befc68c647136de4f340b548844efc796405743bf", [:mix], [], "hexpm"},
-  "ex_doc": {:hex, :ex_doc, "0.18.4", "4406b8891cecf1352f49975c6d554e62e4341ceb41b9338949077b0d4a97b949", [:mix], [{:earmark, "~> 1.1", [hex: :earmark, repo: "hexpm", optional: false]}], "hexpm"},
+  "ex_doc": {:hex, :ex_doc, "0.19.1", "519bb9c19526ca51d326c060cb1778d4a9056b190086a8c6c115828eaccea6cf", [:mix], [{:earmark, "~> 1.1", [hex: :earmark, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.7", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm"},
   "exred_library": {:hex, :exred_library, "0.1.11", "15ee81546450b55ed45908113b0fb0cf844b2ddeeeee3bc85428b69a5ecffed8", [:mix], [{:conform, "~> 2.2", [hex: :conform, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.13.4", [hex: :postgrex, repo: "hexpm", optional: false]}, {:uuid, "~> 1.1", [hex: :uuid, repo: "hexpm", optional: false]}], "hexpm"},
+  "exred_nodeprototype": {:hex, :exred_nodeprototype, "0.2.0", "560e5ccddabadc27e76ce0429cd8909fb2c8689df6bd891753e7659ebc3317d0", [:mix], [], "hexpm"},
   "jason": {:hex, :jason, "1.1.1", "d3ccb840dfb06f2f90a6d335b536dd074db748b3e7f5b11ab61d239506585eb2", [:mix], [{:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm"},
+  "makeup": {:hex, :makeup, "0.5.6", "da47b331b1fe0a5f0380cc3a6967200eac5e1daaa9c6bff4b0310b3fcc12b98f", [:mix], [{:nimble_parsec, "~> 0.4.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.10.0", "0f09c2ddf352887a956d84f8f7e702111122ca32fbbc84c2f0569b8b65cbf7fa", [:mix], [{:makeup, "~> 0.5.5", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm"},
   "neotoma": {:hex, :neotoma, "1.7.3", "d8bd5404b73273989946e4f4f6d529e5c2088f5fa1ca790b4dbe81f4be408e61", [:rebar], [], "hexpm"},
+  "nimble_parsec": {:hex, :nimble_parsec, "0.4.0", "ee261bb53214943679422be70f1658fff573c5d0b0a1ecd0f18738944f818efe", [:mix], [], "hexpm"},
   "postgrex": {:hex, :postgrex, "0.13.5", "3d931aba29363e1443da167a4b12f06dcd171103c424de15e5f3fc2ba3e6d9c5", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm"},
   "uuid": {:hex, :uuid, "1.1.8", "e22fc04499de0de3ed1116b770c7737779f226ceefa0badb3592e64d5cfb4eb9", [:mix], [], "hexpm"},
 }
diff --git a/test/exred_node_picar_test.exs b/test/exred_node_picar_test.exs
index 78e8311..c568375 100644
--- a/test/exred_node_picar_test.exs
+++ b/test/exred_node_picar_test.exs
@@ -1,8 +1,4 @@
 defmodule Exred.Node.PicarTest do
   use ExUnit.Case
   doctest Exred.Node.Picar
-
-  test "greets the world" do
-    assert Exred.Node.Picar.hello() == :world
-  end
 end