Update README.md

Author: bboyho

README.md

@@ -1,10 +1,20 @@
 Arduino Pro Mini 328
 ====================
 
-[![Arduino Pro Mini 328 - 5V/16MHz](https://dlnmh9ip6v2uc.cloudfront.net/images/products/1/1/1/1/3/11113-01d_i_ma.jpg)  
-*Arduino Pro Mini 328 - 5V/16MHz (Dev-11113)*](https://www.sparkfun.com/products/11113)
+<table class="table table-hover table-striped table-bordered">
+  <tr align="center">
+   <td><a href="https://www.sparkfun.com/products/11113"><img src="https://dlnmh9ip6v2uc.cloudfront.net/images/products/1/1/1/1/3/11113-01d_i_ma.jpg" title="Arduino Pro Mini 328 - 5V/16MHz"></a></td>
+   <td><a href="https://www.sparkfun.com/products/11114"><img src="https://cdn.sparkfun.com/assets/parts/6/5/4/0/11114-01.jpg" title="Arduino Pro Mini 328 - 3.3V/8MHz
+"></a></td>
+  </tr>
+  <tr align="center">
+    <td><i>Arduino Pro Mini 328 - 5V/16MHz [<a href="https://www.sparkfun.com/products/11113">DEV-11113</a>]</i></td>
+    <td><i>Arduino Pro Mini 328 - 3.3V/8MHz [<a href="https://www.sparkfun.com/products/11114">DEV-11114</a>]</i></td>
+  </tr>
+</table>
 
 SparkFun's Arduino Pro Mini 328 is a bare bones super small Arduino compatible development board. This hardware is used for both the 3.3V/8MHz and the 5V/16MHz versions. 
+
 Both of these products use the same PCB, but are populated with unique voltage regulators and resonators.
 
 Repository Contents
@@ -13,6 +23,10 @@ Repository Contents
 * **/Hardware** - Eagle design files (Schematic and Board)
 * **/Production** - Test bed files and production panel files
 
+Documentation
+--------------
+* **[Hookup Guide](https://learn.sparkfun.com/tutorials/using-the-arduino-pro-mini-33v)** - Basic hookup guide for the Arduino Pro Mini 3.3V/8MHz. It can be used as a guide with the 5V. The only difference is selecting the board definition in the Arduino IDE and logic levels.
+
 Product Versions
 ----------------
 * [DEV-11113](https://www.sparkfun.com/products/11113)- 5V/16MHz Pro Mini