readme updated

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@@ -2,10 +2,34 @@
 
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![UPRJ_CI](https://github.com/efabless/caravel_project_example/actions/workflows/user_project_ci.yml/badge.svg)](https://github.com/efabless/caravel_project_example/actions/workflows/user_project_ci.yml) [![Caravel Build](https://github.com/efabless/caravel_project_example/actions/workflows/caravel_build.yml/badge.svg)](https://github.com/efabless/caravel_project_example/actions/workflows/caravel_build.yml)
 
-| :exclamation: Important Note            |
-|-----------------------------------------|
+---
 
-## Please fill in your project documentation in this README.md file 
+# Multi Project Index
 
+This index was made with [multi project tools](https://github.com/mattvenn/multi_project_tools)
 
-Refer to [README](docs/source/index.rst) for this sample project documentation. 
+The OpenLANE config was generated with this command:
+
+    ./multi_tool.py --create-openlane-config --project 0 --duplicate 15 --force-delete
+
+![multi macro](pics/multi_macro.png)
+
+## RGB Mixer
+
+* Author: Matt Venn
+* Github: [https://github.com/mattvenn/wrapped_rgb_mixer/tree/caravel-mpw2](https://github.com/mattvenn/wrapped_rgb_mixer/tree/caravel-mpw2)
+* Description: reads 3 encoders and generates PWM signals to drive an RGB LED
+
+![RGB Mixer](pics/schematic.jpg)
+
+## Frequency counter
+
+* Author: Matt Venn
+* Github: [https://github.com/mattvenn/wrapped_frequency_counter/tree/caravel-mpw2](https://github.com/mattvenn/wrapped_frequency_counter/tree/caravel-mpw2)
+* Description: Counts pulses on input and displays frequency on 2  seven segment displays
+
+![Frequency counter](pics/frequency_counter.png)
+
+---
+
+Refer to [README](docs/source/README.md) for this sample project documentation.