--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/service/busyboxArduino/main.ino	Sat Jan 03 23:34:06 2015 -0800
@@ -0,0 +1,51 @@
+#include <Arduino.h>
+#include <LiquidCrystal.h>
+
+#define I2C_ADDR      0x27 // I2C address of PCF8574A
+#define BACKLIGHT_PIN 3
+#define En_pin        9
+#define Rw_pin        1
+#define Rs_pin        8
+#define D4_pin        4
+#define D5_pin        5
+#define D6_pin        6
+#define D7_pin        7
+
+LiquidCrystal twilcd(Rs_pin, Rw_pin, En_pin, D4_pin, D5_pin, D6_pin, D7_pin, BACKLIGHT_PIN, POSITIVE);
+
+#define debugLed 13
+
+
+void setup(void) {
+  int i;
+  pinMode(debugLed, OUTPUT);
+
+  Serial.begin(115200);
+  
+  twilcd.begin(16,2);
+  twilcd.setBacklight(HIGH);
+  twilcd.home();
+  //1234567890123456
+  //I2C/TWI BackPack
+  twilcd.print("hello world");
+  // ana read and display
+  while (1) {
+    while (Serial.available() <= 2) {
+    }
+    i = Serial.read();
+    if (i != 0x60) {
+      continue;
+    }
+    i = Serial.read(); // command
+    if (i == 0) { // set strip: 0x60 0x00 <numPixels * 3 bytes>
+      digitalWrite(debugLed, 1);
+      delay(1000);
+      digitalWrite(debugLed, 0);
+    } else {
+        // unknown command
+    }
+  }
+}
+
+void loop() {
+}