Compact Atmega32U4 LED Controller

I need a full EasyEDA project—schematic and routed PCB—for a tiny Atmega32U4 board that lets a computer drive a single external LED through a 3-pin XH-JST connector (GND / 5 V / LED). The board must talk... (Budget: $30 - $250 AUD, Jobs: Arduino, C Programming, Circuit Design, Electrical Engineering, Electronic Design, Electronics, Embedded Systems, Firmware Development, Microcontroller, PCB Layout)