Release AEI REV A Design

.gitignore

@@ -7,3 +7,35 @@
 Accessories/ExpansionBoard_ADC_BNC/altium/PCB1.PcbDoc.htm
 Accessories/ExpansionBoard_CAN/altium/CAN.PrjPcbStructure
 altium/PCB_v4.PcbDoc.htm
+
+
+#############
+# KiCAD #
+##############
+
+# Temporary files
+*.000
+*.bak
+*.bck
+*.kicad_pcb-bak
+*.kicad_sch-bak
+*-backups
+*.kicad_prl
+*.sch-bak
+*~
+_autosave-*
+*.tmp
+*-save.pro
+*-save.kicad_pcb
+fp-info-cache
+~*.lck
+\#auto_saved_files#
+# Netlist files (exported from Eeschema)
+*.net
+
+# Autorouter files (exported from Pcbnew)
+*.dsn
+*.ses
+
+# Exported BOM files
+*.xml

Accessories/AnalogEncoderInterface/README.md

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+# Analog Encoder Interface Board
+
+This subfolder houses all the design files for the Analog Encoder Interface board. This board plugs into the AMDC analog inputs via ethernet cables.
+
+## Documentation
+
+Read about the design of this board in the [`docs/folder`](docs/).

Accessories/AnalogEncoderInterface/REV20260123A/README.md

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+# Analog Encoder Interface Board REV20260123A
+This folder contains the compiled design outputs for the Analog Encoder Interface Board REVA. This includes the schematics, images of PCB layout, the bill of materials (BOM), and the files needed to order PCBs from online vendors.
+
+## Analog Encoder Interface Board
+
+| Question                | Answer            |
+|-------------------------|-------------------|
+| Board Size              | 73mm x 80mm       |
+| Number of Layers        | 4 Layers          |
+| Double Sided            | Yes               |
+| Surface Finish          | Tin Lead          |
+| Silkscreen              | White             |
+| Material                | FR-4, TG150       |
+| Board Thickness         | 1.6 mm (62 mil)   |
+| Min Trace Spacing       | 0.2 mm (7.9 mil)  |
+| Min Hole Size           | 0.3 mm (11.8 mil) |
+| Number of Holes         | 63                |
+| Solder Mask             | Purple            |
+| HASL or ENIG            | No                |
+| Inner Copper            | 1 oz              |
+| Outer Copper            | 1 oz              |
+
+### Assembly Details
+
+| Question                       | Answer      |
+|--------------------------------|-------------|
+| Unique Part Count              | 20          |
+| Number of Total Parts          | 57          |
+| Total SMD Part Count           | 24          |
+| Total Through-hole Part Count  | 25          |
+| Total Mechanical Screws        | 4           |
+| Total Mechanical Standoffs     | 4           |
+| BGA / QFN                      | No          |
+
+## Bill of Materials
+
+The [Bill of Materials (BOM)](aei-bom.csv) contains components for 1 of each board. 

Accessories/AnalogEncoderInterface/REV20260123A/aei-bom.csv

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+Qty,Designator,Discription,Value,Footprint,Supplier Part Number,Manufacturer Part Number,Supplier,Manufacturer
+3,"C1, C2, C9",Capacitor,6.8uF,1206-CAP,445-11734-1-ND,C3216JB1H685K160AB,Digi-Key,TDK Corporation
+3,"C3, C4, C7",Capacitor,10uF,0805-CAP,490-18663-1-ND,GRM21BR61H106KE43L,Digi-Key,Murata Electronics
+6,"C5, C6, C10, C11, C12, C13",Capacitor,1uF,0603-LED,490-12330-2-ND,GRT188R61H105KE13D,Digi-Key,Murata Electronics
+1,C8,Capacitor,10uF,0603-LED,1276-1871-1-ND,CL10A106MP8NNNC,Digi-Key,Samsung Electro-Mechanics
+2,"J1, J3",Screw Terminal,01x06,"TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-6_1x06_P5.00mm_Horizontal",277-1581-ND,1935200,Digi-Key,Phoenix Contact
+1,J2,Screw Terminal,01x02,CONN_1935161_PXC,277-1667-ND,1935161,Digi-Key,Phoenix Contact
+1,J4,Screw Terminal,RJ45,Connector_RJ:RJ45_Amphenol_RJHSE5380,664-RJHSE5380-ND,RJHSE5380,Digi-Key,Phoenix Contact
+1,L1,"CMC 9UH, 3.5A, 2LN, 800 Ohm",WE-SL5_HC,WE-SL5_HC,732-2215-1-ND,744273801,Digi-Key,Wurth Electronics
+2,"LED1, LED3",LED,RED,0603-LED,160-1447-1-ND,LTST-C191KRKT,Digi-Key,Lite-On Inc.
+1,LED2,LED,YELLOW,0603-LED,160-1448-1-ND,LTST-C191KSKT,Digi-Key,Lite-On Inc.
+1,PS1,DC/DC Power Supply,RS6-2405S,CONV_RS6-2405S,945-2985-ND,RS6-2405S,Digi-Key,Recom Power
+1,PS2,DC/DC Power Supply,RS6-2415D,CONV_RS6-2415D,945-2990-ND,RS6-2415D,Digi-Key,Recom Power
+1,R2,Resistor,70R,1206-RES,Y162570R0000A9W-ND,Y162570R0000A9W,Digi-Key,VPG Foil Resistors
+3,"R3, R4, R5",Resistor,3k,0603-RES,RMCF0603FT3K00CT-ND,RMCF0603FT3K00,Digi-Key,Stackpole Electronics Inc
+4,"standoff1, standoff2, standoff3, standoff4",Mounting Standoffs for Board,"#4-40 1/2""",,36-1656-ND,1656,Digi-Key,Keystone Electronics
+4,"screw1, screw2, screw3, screw4",Mounting Screws for Board,"#4-40 1/4""",,36-9900-ND,9900,Digi-Key,Keystone Electronics
+18,"TP1,TP2,TP3,TP4,TP5,TP6,TP7,TP8, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP18, TP19","Test Point, Yellow, 1-Pin THD, RoHS, Bulk",,KSTN-5004,36-5004-ND,5004,Digi-Key,Keystone
+2,"U1, U2",IC OPAMP DIFF 2 CIRCUIT 14SOIC,INA2143U,INA2143U:D14,INA2143U-ND,INA2143U,Digi-Key,Texas Instruments
+1,U3,IC REG LINEAR 1.5V 3A DDPAK-5,LT1764EQ-1.5-PBF,LTI1764EQ:DDPAK-5_Q_LIT,LT1764EQ-1.5#PBF-ND,LT1764EQ-1.5#PBF,Digi-Key,Analog Devices Inc.
+1,VR1,TRIMMER 10K OHM 0.5W PC PIN TOP,10 K,TRIM_3362P-1-103LF,3362P-103LF-ND,3362P-1-103LF,Digi-Key,Bourns Inc.