Start writing the readme for the PCB board

README.md

@@ -1,2 +1,25 @@
-# DuPal
+# DuPAL board
 
+## Introduction
+
+## Building
+
+### BOM
+
+- Power supply female barrel connector
+- DB9 female angled connector
+- 4 pin push button
+- 1N4001 diode
+- 2x 74HC595
+- MAX232
+- 7805 TO220 regulator
+- ATMega328p
+- 20Mhz HC49 crystal
+- 20pin slim ZIF socket
+- *Heat sink for the power regulator (optional, but recommended)*
+- *3x 16pin socket (optional)*
+- *1x 28pin slim socket (optional)*
+
+## Revisions
+
+### Rev.1