X-Git-Url: https://git.gag.com/?p=web%2Fgag.com;a=blobdiff_plain;f=homeshop%2Fcncfpga%2Findex.mdwn;h=2f847d512b91f697b18d74535054d2111df92cc9;hp=3e5b1c2e126a9198dd382876a47778573c08f989;hb=94675b7d96b8658b5c9dda6fedd66597a8e8881c;hpb=da2ef30a44b056b4ae2ff73954d545eacbbd9f24 diff --git a/homeshop/cncfpga/index.mdwn b/homeshop/cncfpga/index.mdwn index 3e5b1c2..2f847d5 100644 --- a/homeshop/cncfpga/index.mdwn +++ b/homeshop/cncfpga/index.mdwn @@ -12,6 +12,10 @@ These are photos of the first prototype raw boards: +And here's a photo of one of them loaded: + + + ## 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.