VLM PCB Files

PCB/GERBER/JLC/VLMKW0100_top_cpl.csv

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+Designator,Mid X,Mid Y,Layer,Rotation
+C1,26.4,18.86,Top,270
+C2,36.2,22.05,Top,270
+C3,20.5,7.5,Top,270
+C4,22.65,8.45,Top,0
+C5,23.66,19.34,Top,0
+C6,39.9,16.03,Top,270
+C7,14.62,18.87,Top,270
+C8,17.5,19.75,Top,0
+C9,37.25,8.52,Top,90
+C10,29.25,22.05,Top,0
+C11,25.71,21.39,Top,180
+C12,39.15,19.05,Top,180
+C13,30.84,25.34,Top,0
+C14,17.84,21.64,Top,0
+C15,19.87,20.45,Top,90
+C16,11.45,10.7,Top,270
+C17,12.75,10.7,Top,270
+C18,24.75,15.85,Top,270
+C19,25.55,24.78,Top,180
+C20,13.83,21.4,Top,180
+C21,21.25,2.75,Top,270
+C22,25.57,25.82,Top,180
+C23,35.06,25.75,Top,180
+C24,45.5,8.4,Top,90
+C25,45.5,5.3,Top,270
+C26,12.28,19.67,Top,180
+C27,11.87,18.46,Top,180
+D1,36.99,12.74,Top,90
+FB1,9.04,21.62,Top,0
+IC1,10.95,4.9,Top,90
+J1,30,10.7,Top,90
+J2,41.5,5.5,Top,90
+J3,47.7,18,Top,90
+J4,3.9,5,Top,0
+J7,3.9,16,Top,270
+Q1,32.55,19,Top,270
+R1,35.8,17.35,Top,180
+R2,29.26,19.97,Top,180
+R3,35.79,19.45,Top,0
+R4,32.3,22.05,Top,180
+R5,39.06,21.19,Top,180
+R6,43.4,19.95,Top,90
+R7,11.5,15.95,Top,90
+R8,9.35,15,Top,90
+R9,8.82,19.77,Top,180
+R10,9.27,10.95,Top,180
+R11,8.8,17.7,Top,180
+R12,22.65,6.45,Top,180
+R13,12.5,13.25,Top,180
+U1,19,14,Top,0
+U2,17.15,4.25,Top,180
+SW1,19.05,24.44,Top,0
+SW2,10.07,24.44,Top,0

docs/vlm-overview.md

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+# Voice Link Module (VLM)
+
+![VLM board overview](img/vlm-board-overview.png)
+
+## Introduction
+
+Many people already own a preferred PTT designed by companies that focus on
+specifically manufacturing just that. VLM was created to allow the push to
+talks' that people already own to be easily adapted to USB. VLM uses a
+"driverless" audio driver, CM108B and has 3 major functions: audio out
+(headset), audio in (mic) and read the PTT button and stores its state in a
+readable register through USB communication. This allows the PTT button to be
+read without any modifications to the PTT or any other hardware.
+
+## Product Naming
+
+![VLMKW0100 naming breakdown](img/vlm-product-naming.png)
+
+- **A:** Product name abbreviation (Voice Link Module)
+- **B:** Product variant abbreviation (Kenwood)
+- **C:** Major version number (Version 1)
+- **D:** Minor version number (Minor version 0)
+
+## Component Breakdown
+
+![VLM component breakdown](img/vlm-component-breakdown.png)
+
+- **A:** USB-C
+- **B:** 1mm pitch JST USB break out to allow custom USB connections
+- **C:** 1mm pitch JST PTT connection to allow custom PTT connections
+- **D:** Standard Kenwood PTT connection
+- **E:** Hardware volume buttons
+
+### Volume Buttons (E)
+
+Volume Buttons have been added to the latest revision. Currently these are not
+configured or working in Open Manet. Planned for future integration.
+
+## JST Pinouts
+
+![VLM JST pinouts](img/vlm-flashing-pinouts.png)
+
+## Flashing EEPROM
+
+The VLM has onboard EEPROM used for storing data needed for Open-MaNET
+detection. This process must be executed before use with Open-MaNET. Boards
+will be pre-flashed when ordered through Buildsbyshane.com.
+
+### For Windows
+
+1. Download the flashing application from the Open-MaNET github.
+   <https://github.com/OpenMANET/OpenVLM/releases/tag/1.0.0>
+
+2. Extract the downloaded application.
+
+3. Open `cmd.exe`.
+
+4. Navigate to the folder the application is located. `CD *folder path*`
+
+   ![cd into the extracted folder](img/provision-step4-cd.png)
+
+5. Connect the VLM to the PC through USB C cable.
+
+6. Enter `OpenVLM.exe Provision`.
+
+   ![Run OpenVLM.exe provision](img/provision-step6-provision.png)
+
+7. Flashing complete. You should see a message saying "OpenVLM device: applied
+   the OpenVLM defaults."
+
+   ![Provision complete output](img/provision-step7-complete.png)