diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f720bb9
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "Arduino-Makefile"]
+	path = arduino-makefile
+	url = https://github.com/sudar/Arduino-Makefile
diff --git a/arduino-makefile b/arduino-makefile
new file mode 160000
index 0000000..6f786a9
--- /dev/null
+++ b/arduino-makefile
@@ -0,0 +1 @@
+Subproject commit 6f786a96b0acfb0c9b2d2f4e39911d2803088729
diff --git a/src/makefile b/src/makefile
new file mode 100644
index 0000000..5c2b1c7
--- /dev/null
+++ b/src/makefile
@@ -0,0 +1,19 @@
+ARCHITECTURE = avr
+BOARD_TAG    = nano
+BOARD_SUB    = atmega328old
+ARDUINO_LIBS = arduino-mcp2515
+
+ARDUINO_DEV ?= /dev/ttyUSB0
+
+ARDUINO_VERSION    ?= 1.5
+ifeq ($(origin ARDUINO_SKETCHBOOK), undefined)
+ARDUINO_SKETCHBOOK := $(shell sed -n 's/^sketchbook.path=//p' ~/.arduino$(subst .,,$(ARDUINO_VERSION))/preferences.txt)
+endif
+ifeq ($(origin BOARDS_TXT), undefined)
+BOARDS_TXT         := $(shell locate '*/arduino/*/boards.txt')  # ¯\_(ツ)_/¯
+endif
+
+ARDMK_DIR          ?= ../arduino-makefile
+AVR_TOOLS_DIR      ?= /usr
+
+include $(ARDMK_DIR)/Arduino.mk