document the chosen Hammond box

[web/gag.com] / homeshop / cncfpga / index.mdwn

diff --git a/homeshop/cncfpga/index.mdwn b/homeshop/cncfpga/index.mdwn
index 3e5b1c2e126a9198dd382876a47778573c08f989..2f847d512b91f697b18d74535054d2111df92cc9 100644 (file)
--- a/homeshop/cncfpga/index.mdwn
+++ b/homeshop/cncfpga/index.mdwn
@@ -12,6 +12,10 @@ These are photos of the first prototype raw boards:
 <a href="v0.1/cncfpga-top.jpg"> <img src="v0.1/cncfpga-top-thumb.jpg"></a>
 <a href="v0.1/cncfpga-bottom.jpg"> <img src="v0.1/cncfpga-bottom-thumb.jpg"></a>
 
+And here's a photo of one of them loaded:
+
+<a href="v0.1/cncfpga-proto.jpg"> <img src="v0.1/cncfpga-proto-thumb.jpg"></a>
+
 ## Features ##
 
 ### User View ###
@@ -24,7 +28,7 @@ These are photos of the first prototype raw boards:
 * dual-color LED, green when PC heartbeat present, red when not
 * green LEDs on each of the three power supply rails
 * RC low-pass filtering on all input pins
-* 5.1 x 2.5 inch 4-layer board 
+* 5.1 x 2.5 inch 4-layer board, fits in Hammond 1590P1 die-cast aluminum box
 
 ### Developer View ###
 
@@ -41,7 +45,16 @@ These are photos of the first prototype raw boards:
 The design files can be found on [git.gag.com](http://git.gag.com) in the 
 project [hw/cncfpga](http://git.gag.com/?p=hw/cncfpga;a=summary).  
 
+## Issues ##
+
+Notes about things learned or observed during debugging:
+
+* The RC networks for the input pins are closer to the stacked 15-pin 
+  connectors than I'm really comfortable with.  Nothing is making contact or
+  shorting, but I'd be tempted to increase the spacing on a future board cut.
+
 ## Future Plans ##
 
-As of mid-December 2011, version 0.1 raw boards and parts are in hand, a 
-prototype will be assembled and tested as soon as the paste stencil arrives.
+As of late December 2011, the first prototype v0.1 board has been loaded and
+is being debugged and tested.  If the board "works for me", then I'm likely 
+to make enough of these to sell to others who are interested.