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expansions.md

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+# Introduction
+
+Expansion boards can be added to any of our motor driver boards
+
+## Getting started
+## Board layout
+## Setup
+### Attaching the power
+### Attaching a Servo
+### Attaching a motor
+### Attaching an RC receiver
+
+# Programming the 640
+
+## Python
+
+### Introduction
+### Import libraries
+### Drive a motor
+### Motor speed
+### Servo control
+
+## Node.JS
+
+### Introduction
+### Import libraries
+### Drive a motor
+### Motor speed
+### Servo control
+
+## C++
+
+### Introduction
+### Install prerequisites
+### Drive a motor
+### Motor speed
+### Servo control
+### PPM integration
+
+## Expanding the board
+
+### Adding an expansion board