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-# Network Traffic visualized
+# Blink LEDs with network packets
 
 ![Blinking cube at 37C3](img/congress.jpg "Blinking Cube")
 
 ## Using an ESP32-S2 to blink NeoPixels based on Wifi traffic
 
+Blinks white LEDs on receiving a ping, changes color of left or right part of the LED ring depending on the protocol used (TCP/UDP).
+
+Color is determined by the port receiving the packet (`pixels.ColorHSV(port)`.
+
 ### Hardware setup
 
 - Adafruit QT Py ESP32-S2