Large update to README.md
Add twitter thread through nitter proxy, links to OSH Park projects, lots of info, a few images uploaded (one more is needed at R61 end result)
--- a/README.md
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# ka2195d-model2gen
+
+## Introduction
Project that aims to fix the Model 2 Sega Genesis's composite video clock that uses the console's crystal oscillator instead of using an external one.
-This repo contains the schematic, PCBs, and Gerber files for the Composite Video clock fix for Model 2 Sega Genesis consoles: revision VA0, VA1, and VA1.8 boards. Removal of R61 on the console's board is **_required_**.
+This repo contains the schematic, PCBs, and Gerber files for the Composite Video clock fix for Model 2 Sega Genesis consoles: revision VA0, VA1, and VA1.8 boards that contain the infamous Samsung KA2195D NTSC video encoder. The Gerber files can be used for other PCB fabs.
+Notes:
+* These are KiCad 6 files, so KiCad 5 and earlier will not work with these.
+* This does not fix the RGB jailbars, as it is a somewhat different (yet related) issue.
+* This particular PCB uses Imperial 1206 size SMD components.
+* Removal of the original 10K resistor on R61 on the console's board is **_required_**.
+* R61_L is +2.5V as VREF, connecting to SBCR.
+* R61_R is GND, connecting to C24, then KA2195 pin 6.
+
+--
+
+## Details
+This [twitter thread (through nitter.net)](https://nitter.net/AmiSapphire/status/1496249012688756744) is the original instruction-like thread (with video examples as well). In short:
+
+* you remove R61 from the board
+* mount the board to the console's CPU
+* have one wire connect to R61's left pad from the R61_L pad
+* have one wire connect to R61's right pad from the R61_R pad
+* have one wire connect as ground to wherever ground can be, e.g. C4's right pad, C1's left pad
+
+--
+
+## Images
+R61 Pad Indicators:
+
+
+
+
+R61 End Result:
+
+
+
+--
+
+## OSH Park order links
+Original (test): https://oshpark.com/shared_projects/IpuYYXQL
+
+SMD Hand Solder: https://oshpark.com/shared_projects/toKAOWpJ
+
+Through Hole: https://oshpark.com/shared_projects/uN65Pqal
+