I'm looking for an experienced Arduino programmer to create a microcontroller-based shooting target system. The system will feature 20 targets spread over a wall, with individual LEDs that randomly light up and a sound effect when a target is hit. Key Requirements: - 20 targets with individual LEDs - LEDs randomly lit - Arduino-based microcontroller - Sound effect on hit Ideal Skills and Experience: - Proficiency in Arduino programming - Experience with individual LED control - Knowledge of sound integration with microcontrollers - Background in electronics and circuit design Please provide relevant experience in your bids.