add parts

README.md

 # DDMC XMEGA Motherboard
 
-This is a repository for a *Motherboard Board* from the [DDMC](#REF!) project. 
+This is a repository for a *Motherboard Board* from the [DDMC](https://gitlab.cba.mit.edu/jakeread/ddmc) project. 
 
-![routed](images/routed.png)
+![routed](board.png)
 
-![schematic](images/schematic.png)
+![schematic](schematic.png)
 
-! todo bom, #ref
\ No newline at end of file
+![parts](parts.png)
+
+Reference Designator | Package | Type | Value | Digikey Part Number | Function | Cost
+--- | --- | --- | --- | --- | --- | ---  
+C3, C9, C11, C14, C16, C17, C18, C19, C20, C23, C24 | 0603C | Capacitor | 0.1uF | - | Bypass | -
+C1, C2, C4, C5, C6, C7, C8, C10, C12, C13, C15, C21, C22 | 1206C | Capacitor | 10uF | - | Bypass | - 
+D3, D4, D5 | 0805D | LED | - | - | Indication | - 
+R1, R2, R3 R4, R6 | 0805R | Resistor | 1K | - | LED Current Limiting | -
+R5, R7 | 0805R | Resistor | 120R | - | RS485 Termination | - 
+S1 | SMT Right Angle | Off-Mom Switch | - | P16767CT-ND | Reset Switch | 0.32
+Y1 | 3-SMD | Resonator | 16MHz | 1253-1339-1-ND | XMEGA Clock | 0.66 
+D1 | SOD-123H | Power Diode | 40V 3A | FSV340FPCT-ND | Buck Assist Diode | 0.44
+D2 | DO-214AC SMA | TVS Diode | 30V 400W | SMAJ30ALFDKR-ND | Transient Voltage Supression | 0.55 
+U1 | QFN16 | Buck Converter | 40V -> 5V 2A | TS30042-M050QFNRCT-ND | Voltage Regulation | 1.64
+U2 | SOT-25 | Regulator | AP2112 | AP2112K-3.3TRG1DIDKR-ND‎ | 5v -> 3v3 Regulation, 600mA | 0.49
+U3 | QFN64 | Micro Controller | XMEGA256A3U | ATXMEGA256A3U-MH-ND | Brains | 6.94 
+U4 | 16-TSSOP | Line Driver | SN65C1168 | 296-14348-6-ND | 2/2 RS-485 Driver | 1.73 
+J1 | 60 Pin Mezzanine Connector | Hirose FX8-60P-SV1(91) | H10691-ND | 2.48
+J4 (reverse side) | - | - | Wurth  634008137521 | 732-3164-1-ND | RJ45 Network Port | 3.32
+X1 (reverse side) | USB Micro | - | Amphenol 10118192-0001LF | 609-4613-1-ND | USB Connection | 0.45
\ No newline at end of file

circuit/motherboard_xmega/eagle.epf

@@ -112,7 +112,7 @@ Sheet="1"
 Type="Board Editor"
 Number=1
 File="motherboard_xmega.brd"
-View="-15.7184 -14.2557 39.4892 51.9916"
+View="-14.0271 -25.1932 52.222 54.3036"
 WireWidths=" 0.0762 0.1016 0.127 0.15 0.2 0.508 0.6096 0.8128 1.016 1.27 2.54 0.4064 0.2032 0.3048 0.254 0.1524"
 PadDiameters=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 6.4516 0"
 PadDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.65 0.7 0.75 0.8 0.85 0.9 1 0.6 0.35"
@@ -157,7 +157,7 @@ Type="Control Panel"
 Number=0
 
 [Desktop]
-Screen="3000 2160"
+Screen="3840 1080"
 Window="Win_1"
 Window="Win_2"
 Window="Win_3"