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 # LibreMetric
 
-A concept of connected clock.
-Built with Wemos D1 Mini and MAX7219.
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+A simple concept of connected clock.
+Built with Wemos D1 Mini and MAX7219.
+
+# Usage
+## Standard usage
+Use serial monitor (or your home DHCP server) to know the device's IP.
+Connect (with a browser) to the device's webpage. (http://<device's IP>
+
+## API usage
+You can send messages and change brightness via POST or GET using the root of the included webserver
+TODO : Examples
+
+# Credits
+Based on https://github.com/G6EJD/ESP8266-Remote-Message-Board
+Modified for my needs
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