From 1e452de7d635b0c47fdb6f3994d5843da2fb9abb Mon Sep 17 00:00:00 2001
From: Jake Read <jake.read@cba.mit.edu>
Date: Mon, 22 Nov 2021 20:28:14 -0500
Subject: [PATCH] small docu notes

---
 2020-08_psu-breakout/eagle.epf | 52 +++++++++++++++++-----------------
 README.md                      | 25 ++++------------
 2 files changed, 31 insertions(+), 46 deletions(-)

diff --git a/2020-08_psu-breakout/eagle.epf b/2020-08_psu-breakout/eagle.epf
index 5737d71..feb367d 100644
--- a/2020-08_psu-breakout/eagle.epf
+++ b/2020-08_psu-breakout/eagle.epf
@@ -16,16 +16,16 @@ UsedLibrary="C:/Dropbox/CBA/circuits/eagle/parts/supply1.lbr"
 UsedLibrary="C:/Dropbox/CBA/circuits/eagle/parts/SparkFun-Eagle-Libraries/SparkFun-Connectors.lbr"
 
 [Win_1]
-Type="Board Editor"
-Number=2
-File="2020-08_psu-breakout.brd"
-View="-9.01046 -23.0528 180.434 135.543"
-WireWidths=" 0.1016 0.15 0.2 2.54 0 0.508 0.2032 0.254 0.3048 0.4064 0.1524 1.016 1.27 0.127 0.6096 0.8128"
+Type="Schematic Editor"
+Number=1
+File="2020-08_psu-breakout.sch"
+View="-45.293 31.146 556.518 211.07"
+WireWidths=" 0.0762 0.1016 0.127 0.15 0.2 0.2032 0.254 0.3048 0.4064 0.508 0.6096 0.8128 1.016 1.27 2.54 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 0.35 0.4 0.5 0.55 0.65 0.7 0.75 0.8 0.85 0.9 1 0.6 0.45"
+PadDrills=" 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.65 0.7 0.75 0.8 0.85 0.9 1 0.6"
 ViaDiameters=" 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 1.05 1.1 1.15 1.2 1.3 0"
-ViaDrills=" 0.2 0.25 0.4 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.3 0.35 0.45"
-HoleDrills=" 0.2 0.25 0.3 0.4 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35 0.45"
+ViaDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35"
+HoleDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35"
 TextSizes=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.778"
 PolygonSpacings=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.27"
 PolygonIsolates=" 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"
@@ -35,14 +35,14 @@ DimensionExtWidths=" 0.127 0.254 0.1 0.13 0.26 0"
 DimensionExtLengths=" 1.27 2.54 1 2 3 0"
 DimensionExtOffsets=" 1.27 2.54 1 2 3 0"
 SmdSizes=" 0.3048 0.1524 0.4064 0.2032 0.6096 0.3048 0.8128 0.4064 1.016 0.508 1.27 0.6604 1.4224 0.7112 1.6764 0.8128 1.778 0.9144 1.9304 0.9652 2.1844 1.0668 2.54 1.27 3.81 1.9304 5.08 2.54 6.4516 3.2512 1.27 0.635"
-WireBend=1
-WireBendSet=0
+WireBend=4
+WireBendSet=31
 WireCap=1
 MiterStyle=1
 PadShape=0
 ViaShape=1
 PolygonPour=0
-PolygonRank=2
+PolygonRank=0
 PolygonThermals=1
 PolygonOrphans=0
 TextRatio=8
@@ -57,19 +57,21 @@ SwapLevel=0
 ArcDirection=0
 AddLevel=2
 PadsSameType=0
-Layer=47
+Layer=91
+Views=" 1: -45.293 31.146 556.518 211.07"
+Sheet="1"
 
 [Win_2]
-Type="Schematic Editor"
-Number=1
-File="2020-08_psu-breakout.sch"
-View="131.141 143.727 421.366 230.496"
-WireWidths=" 0.0762 0.1016 0.127 0.15 0.2 0.2032 0.254 0.3048 0.4064 0.508 0.6096 0.8128 1.016 1.27 2.54 0.1524"
+Type="Board Editor"
+Number=2
+File="2020-08_psu-breakout.brd"
+View="12.384 -7.24152 122.016 84.5385"
+WireWidths=" 0.1016 0.15 0.2 2.54 0 0.508 0.2032 0.254 0.3048 0.4064 0.1524 1.016 1.27 0.127 0.6096 0.8128"
 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 0.35 0.4 0.45 0.5 0.55 0.65 0.7 0.75 0.8 0.85 0.9 1 0.6"
+PadDrills=" 0.2 0.25 0.3 0.35 0.4 0.5 0.55 0.65 0.7 0.75 0.8 0.85 0.9 1 0.6 0.45"
 ViaDiameters=" 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 1.05 1.1 1.15 1.2 1.3 0"
-ViaDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35"
-HoleDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35"
+ViaDrills=" 0.2 0.25 0.4 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.3 0.35 0.45"
+HoleDrills=" 0.2 0.25 0.3 0.4 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35 0.45"
 TextSizes=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.778"
 PolygonSpacings=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.27"
 PolygonIsolates=" 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"
@@ -79,14 +81,14 @@ DimensionExtWidths=" 0.127 0.254 0.1 0.13 0.26 0"
 DimensionExtLengths=" 1.27 2.54 1 2 3 0"
 DimensionExtOffsets=" 1.27 2.54 1 2 3 0"
 SmdSizes=" 0.3048 0.1524 0.4064 0.2032 0.6096 0.3048 0.8128 0.4064 1.016 0.508 1.27 0.6604 1.4224 0.7112 1.6764 0.8128 1.778 0.9144 1.9304 0.9652 2.1844 1.0668 2.54 1.27 3.81 1.9304 5.08 2.54 6.4516 3.2512 1.27 0.635"
-WireBend=4
-WireBendSet=31
+WireBend=1
+WireBendSet=0
 WireCap=1
 MiterStyle=1
 PadShape=0
 ViaShape=1
 PolygonPour=0
-PolygonRank=0
+PolygonRank=2
 PolygonThermals=1
 PolygonOrphans=0
 TextRatio=8
@@ -101,9 +103,7 @@ SwapLevel=0
 ArcDirection=0
 AddLevel=2
 PadsSameType=0
-Layer=91
-Views=" 1: 131.141 143.727 421.366 230.496"
-Sheet="1"
+Layer=47
 
 [Win_3]
 Type="Control Panel"
diff --git a/README.md b/README.md
index e150b6d..7b27c11 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,9 @@
 ## PSU Baseboard / Bus Head
 
-This is a circuit & mount for a small desktop DC PSU and embedded system bus-head. Documentation is sparse. 
+This is a circuit & mount for a small power supply and embedded system bus-head for the [uart-clocked bus](https://gitlab.cba.mit.edu/jakeread/ucbus-notes). 
 
-![routed](log/2020-08-03_routed.png)
-![schem](log/2020-08-03_schematic.png)
-
-## TODO
-
-- add CAD for PSU mount here,
-- add image
-- revision circuit for:
-    - solder jumpers default shut for 5v usb-to-bus 
-    - clear LED indication of 24v presence, 5v presence on bus 
+![routed](log/2021-08-26_routed.png)
+![schem](log/2021-08-26_schematic.png)
 
 ### What's Up:
 
@@ -24,13 +16,6 @@ This is a circuit & mount for a small desktop DC PSU and embedded system bus-hea
     - I2C Display Module footprint available 
     - BFCs & Filtering available 
 
-### BOM
-
-Coming... 
+### Firmware 
 
-| Part | PN | 
-| --- | --- |
-| 15x2 IDC Plug | 609-5106-ND | 
-| 15x2 IDC Socket | 609-3475-ND |
-| 30 Position Ribbon Cable | 3M157924-50-ND | 
-| Spade | WM19646-ND | 
\ No newline at end of file
+I use this board mostly as the 'coordinator' for modular motion systems, firmware is [here](firmware) and uses platform.io to run, see [this guide](https://mtm.cba.mit.edu/2021/2021-10_microcontroller-primer/fab-platformio/) to build and load code. 
\ No newline at end of file
-- 
GitLab