diff --git a/arduino/README.md b/arduino/README.md
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+# Arduino
+
+An assortment of Arduio setup that I've used with my home automation.
+
+## Warning
+
+Content here may not be up to date. I briefly used Arduino hardware to create an MVP prior to moving to Z-Wave hardware.
diff --git a/arduino/Weather_Shield_Basic/README.md b/arduino/Weather_Shield_Basic/README.md
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+# SparkFun Weather Shield
+
+Used as a basic sensor test case using the serial sensor type.
+
+I have a very old Weather Shield and it worked well enough to verify the concept of sensor data. This is here for my own reference and show casing some ideas. YMMV greatly if using this code.
diff --git a/arduino/Weather_Shield_Basic/Weather Shield.pdf b/arduino/Weather_Shield_Basic/Weather Shield.pdf
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diff --git a/arduino/Weather_Shield_Basic/Weather_Shield_Basic.ino b/arduino/Weather_Shield_Basic/Weather_Shield_Basic.ino
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+/*
+ Weather Shield Example
+ By: Nathan Seidle
+ SparkFun Electronics
+ Date: June 10th, 2016
+ License: This code is public domain but you buy me a beer if you use this and we meet someday (Beerware license).
+
+ This example prints the current humidity, air pressure, temperature and light levels.
+
+ The weather shield is capable of a lot. Be sure to checkout the other more advanced examples for creating
+ your own weather station.
+
+ */
+
+#include <Wire.h> //I2C needed for sensors
+#include "SparkFunMPL3115A2.h" //Pressure sensor - Search "SparkFun MPL3115" and install from Library Manager
+#include "SparkFunHTU21D.h" //Humidity sensor - Search "SparkFun HTU21D" and install from Library Manager
+
+MPL3115A2 myPressure; //Create an instance of the pressure sensor
+HTU21D myHumidity; //Create an instance of the humidity sensor
+
+//Hardware pin definitions
+//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+const byte STAT_BLUE = 7;
+const byte STAT_GREEN = 8;
+
+const byte REFERENCE_3V3 = A3;
+const byte LIGHT = A1;
+const byte BATT = A2;
+
+//Global Variables
+//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+long lastSecond; //The millis counter to see when a second rolls by
+
+void setup()
+{
+  Serial.begin(9600);
+  Serial.println("Weather Shield Example");
+
+  pinMode(STAT_BLUE, OUTPUT); //Status LED Blue
+  pinMode(STAT_GREEN, OUTPUT); //Status LED Green
+
+  pinMode(REFERENCE_3V3, INPUT);
+  pinMode(LIGHT, INPUT);
+
+  //Configure the pressure sensor
+  myPressure.begin(); // Get sensor online
+  myPressure.setModeBarometer(); // Measure pressure in Pascals from 20 to 110 kPa
+  myPressure.setOversampleRate(7); // Set Oversample to the recommended 128
+  myPressure.enableEventFlags(); // Enable all three pressure and temp event flags
+
+  //Configure the humidity sensor
+  myHumidity.begin();
+
+  lastSecond = millis();
+
+  Serial.println("Weather Shield online!");
+}
+
+void loop()
+{
+  //Print readings every second
+  if (millis() - lastSecond >= 1000)
+  {
+    digitalWrite(STAT_BLUE, HIGH); //Blink stat LED
+
+    lastSecond += 1000;
+
+    //Check Humidity Sensor
+    float humidity = myHumidity.readHumidity();
+
+    if (humidity == ERROR_I2C_TIMEOUT) //Humidty sensor failed to respond
+    {
+      Serial.println("I2C communication to sensors is not working. Check solder connections.");
+
+      //Try re-initializing the I2C comm and the sensors
+      myPressure.begin(); 
+      myPressure.setModeBarometer();
+      myPressure.setOversampleRate(7);
+      myPressure.enableEventFlags();
+      myHumidity.begin();
+    }
+    else
+    {
+      Serial.print("Humidity = ");
+      Serial.print(humidity);
+      Serial.print("%,");
+      float temp_h = myHumidity.readTemperature();
+      Serial.print(" temp_h = ");
+      Serial.print(temp_h, 2);
+      Serial.print("C,");
+
+      //Check Pressure Sensor
+      float pressure = myPressure.readPressure();
+      Serial.print(" Pressure = ");
+      Serial.print(pressure);
+      Serial.print("Pa,");
+
+      //Check tempf from pressure sensor
+      float tempf = myPressure.readTempF();
+      Serial.print(" temp_p = ");
+      Serial.print(tempf, 2);
+      Serial.print("F,");
+
+      //Check light sensor
+      float light_lvl = get_light_level();
+      Serial.print(" light_lvl = ");
+      Serial.print(light_lvl);
+      Serial.print("V,");
+
+      //Check batt level
+      float batt_lvl = get_battery_level();
+      Serial.print(" VinPin = ");
+      Serial.print(batt_lvl);
+      Serial.print("V");
+
+      Serial.println();
+    }
+
+    digitalWrite(STAT_BLUE, LOW); //Turn off stat LED
+  }
+
+  delay(100);
+}
+
+//Returns the voltage of the light sensor based on the 3.3V rail
+//This allows us to ignore what VCC might be (an Arduino plugged into USB has VCC of 4.5 to 5.2V)
+float get_light_level()
+{
+  float operatingVoltage = analogRead(REFERENCE_3V3);
+
+  float lightSensor = analogRead(LIGHT);
+
+  operatingVoltage = 3.3 / operatingVoltage; //The reference voltage is 3.3V
+
+  lightSensor = operatingVoltage * lightSensor;
+
+  return (lightSensor);
+}
+
+//Returns the voltage of the raw pin based on the 3.3V rail
+//This allows us to ignore what VCC might be (an Arduino plugged into USB has VCC of 4.5 to 5.2V)
+//Battery level is connected to the RAW pin on Arduino and is fed through two 5% resistors:
+//3.9K on the high side (R1), and 1K on the low side (R2)
+float get_battery_level()
+{
+  float operatingVoltage = analogRead(REFERENCE_3V3);
+
+  float rawVoltage = analogRead(BATT);
+
+  operatingVoltage = 3.30 / operatingVoltage; //The reference voltage is 3.3V
+
+  rawVoltage = operatingVoltage * rawVoltage; //Convert the 0 to 1023 int to actual voltage on BATT pin
+
+  rawVoltage *= 4.90; //(3.9k+1k)/1k - multiple BATT voltage by the voltage divider to get actual system voltage
+
+  return (rawVoltage);
+}
diff --git a/arduino/Weather_Shield_Basic/micro.png b/arduino/Weather_Shield_Basic/micro.png
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