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README.md

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+# Logitech G203 Prodigy LED Control
+
+Allows you to control the LED lighting of your G203 programmatically.
+Inspired by and based on [g810-led](https://github.com/MatMoul/g810-led)
+
+## Requirements
+
+- Python 3.5+
+- PyUSB 1.0.2+
+- *Root privileges*
+
+## Installation
+
+1) Clone the repository: `git clone https://github.com/smasty/g203-led.git`
+2) Install dependencies: `pip install -r requirements.txt`
+3) Run (as root): `sudo ./g203-led.py solid 00FFFF`
+
+## Usage
+
+```
+Usage:
+    g203-led solid {color} - Solid color mode
+    g203-led cycle [{rate} [{brightness}]] - Cycle through all colors
+    g203-led breathe {color} [{rate} [{brightness}]] - Single color breathing
+
+Arguments:
+    Color: RRGGBB (RGB hex value)
+    Rate: 100-60000 (Number of milliseconds. Default: 10000ms)
+    Brightness: 0-100 (Percentage. Default: 100%)""")
+```