Improve global project (typos, enforce 80 columns whenever possible, diagrams) and finish 3.1

1 files changed, 1177 insertions, 0 deletions

diff --git a/pictures/grid.svg b/pictures/grid.svg
new file mode 100644
index 0000000..542538c
--- /dev/null
+++ b/pictures/grid.svg
@@ -0,0 +1,1177 @@
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+    <!-- Standard CAD Arrowheads -->
+    <!-- Standard Banana Jack Hole Pattern (8.0 mm) -->
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+      <circle
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+         cy="0"
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+    <!-- Potentiometer Shaft Hole Pattern (7.0 mm) -->
+    <g
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+  <!-- ================================================================= -->
+  <!-- TITLE & HEADER                                                    -->
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+     y="524.72034"
+     text-anchor="middle"
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+     text-anchor="end"
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+     id="text37">Row 2</text>
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+  <text
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+  <text
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+     text-anchor="middle"
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+     font-weight="700"
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+  <text
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+     y="280.34534"
+     text-anchor="middle"
+     fill="#000000"
+     font-size="11px"
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+     y1="90.610352"
+     x2="408.14444"
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+     stroke-width="0.75"
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+  <line
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+     x2="451.00443"
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+     stroke="#000000"
+     stroke-width="0.75"
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+  <line
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+     y1="59.610352"
+     x2="447.14731"
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+     marker-start="url(#arrow-start)"
+     marker-end="url(#arrow-end)"
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+  <text
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+     text-anchor="middle"
+     fill="#000000"
+     font-size="9px"
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+     marker-start="url(#arrow-start)"
+     marker-end="url(#arrow-end)"
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+     font-size="9px"
+     font-weight="700"
+     id="text60">Column Pitch: 19.05 mm (0.75&quot;)</text>
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+     y2="187.05763"
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+     marker-start="url(#arrow-start)"
+     marker-end="url(#arrow-end)"
+     id="line63"
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+  <text
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+     y="143.61035"
+     text-anchor="end"
+     fill="#000000"
+     font-size="9px"
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+     id="text63">Origin Y: 22.225 mm</text>
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+     x2="358.64444"
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+     marker-end="url(#arrow-end)"
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+       font-weight="700"
+       id="text65">Row Pitch: 19.05 mm (0.75&quot;)</text>
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+  <text
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+     text-anchor="middle"
+     fill="#000000"
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+     cy="415.61035"
+     r="16"
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+     stroke="#000000"
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+  <circle
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+     r="8"
+     fill="none"
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+  <line
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+     x2="363.64444"
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+  <line
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+  <text
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+     fill="#000000"
+     font-size="10px"
+     font-weight="700"
+     id="text68">4 mm Banana Jack</text>
+  <text
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+     y="425.61035"
+     fill="#555555"
+     font-size="9px"
+     id="text69"
+     style="fill:#000000;fill-opacity:1">Grid Placement: Any Position (A1–B8)</text>
+  <text
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+     font-weight="600"
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+  <text
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+     fill="#000000"
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+     font-weight="700"
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+     fill="#555555"
+     font-size="9px"
+     id="text73"
+     style="fill:#000000;fill-opacity:1">Grid Placement: Any Position (A1–B8)</text>
+  <text
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+     y="492.61035"
+     fill="#000000"
+     font-size="9px"
+     font-weight="600"
+     id="text74">Hole Size: ⌀ 7.0 mm</text>
+  <circle
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+     cy="415.61035"
+     r="6.4000001"
+     fill="#000000"
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+     stroke-width="1"
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+  <line
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+  <text
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+     y="413.61035"
+     fill="#000000"
+     font-size="10px"
+     font-weight="700"
+     id="text75">3 mm LED Indicator</text>
+  <text
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+     y="425.61035"
+     fill="#555555"
+     font-size="9px"
+     id="text76"
+     style="fill:#000000;fill-opacity:1">Placement: Between Grid Positions</text>
+  <text
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+     y="437.61035"
+     fill="#000000"
+     font-size="9px"
+     font-weight="600"
+     id="text77">Hole Size: ⌀ 3.2 mm</text>
+  <rect
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+     y="458.61035"
+     width="24"
+     height="24"
+     rx="3"
+     fill="#ffffff"
+     stroke="#000000"
+     stroke-width="1.2"
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+  <circle
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+     r="8"
+     fill="#cbd5e1"
+     stroke="#000000"
+     stroke-width="1"
+     id="circle77"
+     style="fill:#c0c0c0;fill-opacity:1" />
+  <line
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+     y2="485.61035"
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+  <text
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+     y="468.61035"
+     fill="#000000"
+     font-size="10px"
+     font-weight="700"
+     id="text78">Toggle Switch / Other</text>
+  <text
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+     y="480.61035"
+     fill="#555555"
+     font-size="9px"
+     id="text79"
+     style="fill:#000000;fill-opacity:1">Placement: Centered on Grid / Panel</text>
+  <text
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+     y="492.61035"
+     fill="#000000"
+     font-size="9px"
+     font-weight="600"
+     id="text80">Hole Size: Per Component Spec</text>
+  <!-- ================================================================= -->
+  <!-- TECHNICAL NOTES SUMMARY BOX                                       -->
+  <!-- ================================================================= -->
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