Add an initial start at another encoder board
Not quite finished, because we ended up not needing this for now, but
should be a useful starting point in the future still.
Change-Id: Ie5f346530e08f943d6b6dd41d4565adb55223235
diff --git a/motors/encoder_schematic/commutation-main.sch b/motors/encoder_schematic/commutation-main.sch
new file mode 100644
index 0000000..bfdb3a3
--- /dev/null
+++ b/motors/encoder_schematic/commutation-main.sch
@@ -0,0 +1,514 @@
+v 20130925 2
+C 43100 43600 1 0 0 AM4096.sym
+{
+T 43400 47900 5 10 1 1 0 0 1
+device=AM4096
+T 45300 47900 5 10 1 1 0 0 1
+refdes=U1
+T 43100 43600 5 10 0 0 0 0 1
+footprint=MSSOP28
+T 43100 43600 5 10 0 0 0 0 1
+pn=AM4096PT
+}
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+{
+T 45200 41400 5 10 0 0 270 0 1
+device=CAPACITOR
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+symversion=0.1
+T 45000 41400 5 10 1 1 270 0 1
+refdes=C106
+T 44300 41400 5 10 1 1 270 0 1
+value=.15 uF
+T 44500 41600 5 10 0 0 0 0 1
+footprint=0603
+T 44500 41600 5 10 0 0 0 0 1
+pn=885012206072
+T 44500 41600 5 10 0 0 0 0 1
+voltage=10V
+}
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+value=2.2 uF
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+footprint=0805
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+pn=CL21A225KAFNNNG
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+voltage=10V
+}
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+value=.15 uF
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+footprint=0603
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+pn=885012206072
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+voltage=10V
+}
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+voltage=10V
+}
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+T 39000 43900 5 10 1 1 270 0 1
+value=.15 uF
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+footprint=0603
+T 39200 44100 5 10 0 0 0 0 1
+pn=885012206072
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+voltage=10V
+}
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+pn=CL21A225KAFNNNG
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+voltage=10V
+}
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+voltage=10V
+}
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+C 38500 44400 1 0 0 capacitor-1.sym
+{
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+pn=GRM1885C1H103JA01D
+}
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+pn=GRM1885C1H103JA01D
+}
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+{
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+value=47 k
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+pn=CR0603-JW-473GLF
+}
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+{
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+device=RESISTOR
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+footprint=0603
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+}
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+color=yellow
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+pn=150060YS75000
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+footprint=0603
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+refdes=D100
+}
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+{
+T 41400 50900 5 10 0 0 0 0 1
+device=RESISTOR_x4
+T 41100 49600 5 10 0 0 0 0 1
+footprint=0603_4
+T 41100 49600 5 10 0 0 0 0 1
+pn=RAVF164DJT100R
+T 41300 50800 5 10 1 1 0 0 1
+refdes=R1
+T 41400 49400 5 10 1 1 0 0 1
+value=100
+}
+C 36300 47000 1 0 0 quad-tvs-diode-unidirectional.sym
+{
+T 36300 47000 5 10 0 0 0 0 1
+footprint=TSOT6L
+T 36300 47000 5 10 0 0 0 0 1
+pn=PESD5V0S4UD,115
+T 36400 48300 5 10 1 1 0 0 1
+device=QUAD_TVS
+T 37500 48300 5 10 1 1 0 0 1
+refdes=U2
+}
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+N 40400 45800 43100 45800 4
+C 37100 50500 1 0 0 quad-tvs-diode-unidirectional.sym
+{
+T 37100 50500 5 10 0 0 0 0 1
+footprint=TSOT6L
+T 37100 50500 5 10 0 0 0 0 1
+pn=PESD5V0S4UD,115
+T 37200 51800 5 10 1 1 0 0 1
+device=QUAD_TVS
+T 38300 51800 5 10 1 1 0 0 1
+refdes=U3
+}
+C 29200 51800 1 0 0 5V-plus-1.sym
+C 29300 49100 1 0 0 gnd-1.sym
+N 29400 51800 29400 51600 4
+C 29600 50700 1 90 0 led-3.sym
+{
+T 28950 51650 5 10 0 0 90 0 1
+device=LED
+T 29600 50700 5 10 0 0 0 0 1
+color=green
+T 29600 50700 5 10 0 0 0 0 1
+pn=150060VS75000
+T 29600 50700 5 10 0 0 0 0 1
+footprint=0603
+T 29050 51150 5 10 1 1 90 0 1
+refdes=D1
+}
+C 29300 50500 1 270 0 resistor-1.sym
+{
+T 29700 50200 5 10 0 0 270 0 1
+device=RESISTOR
+T 29300 50500 5 10 0 0 270 0 1
+footprint=0603
+T 29300 50500 5 10 0 0 0 0 1
+pn=RMCF0603FT3K16
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+refdes=R2
+T 29100 50300 5 10 1 1 270 0 1
+value=3.16 k
+}
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+N 29400 49600 29400 49400 4
+C 48000 46900 1 0 0 resistor-1.sym
+{
+T 48300 47300 5 10 0 0 0 0 1
+device=RESISTOR
+T 48000 46900 5 10 0 0 0 0 1
+footprint=0603
+T 48000 46900 5 10 0 0 90 0 1
+pn=RMCF0603FT3K16
+T 48200 47200 5 10 1 1 0 0 1
+refdes=R3
+T 48200 46700 5 10 1 1 0 0 1
+value=3.16 k
+}
+C 42700 43800 1 90 0 5V-plus-1.sym
+C 44500 41800 1 0 0 5V-plus-1.sym
+C 45600 41800 1 0 0 5V-plus-1.sym
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+C 50200 47200 1 270 0 5V-plus-1.sym
+C 48300 45400 1 0 0 5V-plus-1.sym
+C 40100 52100 1 0 0 inductor-1.sym
+{
+T 40300 52600 5 10 0 0 0 0 1
+device=INDUCTOR
+T 40300 52400 5 10 1 1 0 0 1
+refdes=L1
+T 40300 52800 5 10 0 0 0 0 1
+symversion=0.1
+T 40100 52100 5 10 0 0 0 0 1
+pn=CIC10P300NC
+T 40100 51900 5 10 1 1 0 0 1
+value=30@100M
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+footprint=0603
+}
+C 44100 52400 1 270 0 5V-plus-1.sym
+C 34000 52600 1 180 0 connector1-2.sym
+{
+T 33300 51700 5 10 1 1 180 6 1
+refdes=CONN1
+T 33700 51750 5 10 0 0 180 0 1
+device=CONNECTOR_1
+T 33700 51550 5 10 0 0 180 0 1
+footprint=commutation_wire
+}
+C 33000 51800 1 180 0 connector1-2.sym
+{
+T 32300 50900 5 10 1 1 180 6 1
+refdes=CONN2
+T 32700 50950 5 10 0 0 180 0 1
+device=CONNECTOR_1
+T 32700 50750 5 10 0 0 180 0 1
+footprint=commutation_wire
+}
+C 34000 51300 1 180 0 connector1-2.sym
+{
+T 33300 50400 5 10 1 1 180 6 1
+refdes=CONN3
+T 33700 50450 5 10 0 0 180 0 1
+device=CONNECTOR_1
+T 33700 50250 5 10 0 0 180 0 1
+footprint=commutation_wire
+}
+C 33000 50500 1 180 0 connector1-2.sym
+{
+T 32300 49600 5 10 1 1 180 6 1
+refdes=CONN4
+T 32700 49650 5 10 0 0 180 0 1
+device=CONNECTOR_1
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+footprint=commutation_wire
+}
+C 34000 50000 1 180 0 connector1-2.sym
+{
+T 33300 49100 5 10 1 1 180 6 1
+refdes=CONN5
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+device=CONNECTOR_1
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+footprint=commutation_wire
+}
+C 33000 49200 1 180 0 connector1-2.sym
+{
+T 32300 48300 5 10 1 1 180 6 1
+refdes=CONN6
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+device=CONNECTOR_1
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+footprint=commutation_wire
+}
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+{
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+refdes=CONN7
+T 33700 47850 5 10 0 0 180 0 1
+device=CONNECTOR_1
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+footprint=commutation_wire
+}
+C 33100 47900 1 180 0 connector1-2.sym
+{
+T 32400 47000 5 10 1 1 180 6 1
+refdes=CONN8
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+device=CONNECTOR_1
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+footprint=commutation_wire
+}
+C 34500 51300 1 90 0 gnd-1.sym
+N 34200 51400 33000 51400 4
+C 39500 45700 1 0 0 resistor-x4.sym
+{
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+device=RESISTOR_x4
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+pn=RAVF164DJT100R
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+}
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+{
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+device=CONNECTOR_4
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+pn=DNP
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+footprint=HEADER4x1
+}
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