Music Festival Ping Pong Ball Beacon

A telescopic light-up beacon to identify a group in a crowd

Demos

• Final Product
• Features

Features

• Cycle through 6 colors: Red, Green, Blue, Yellow, Purple, Teal
• 5 different cycle speeds
• Flash each color individually

Making of

• Blog Post

Requirements

Hardware for Breadboard Version

• Arduino Uno for programming
• ATtiny85 chip
• RGB LED
• CR2032 battery and holder
• 220 ohm resistor

See the included Fritzing diagram for details (+ wires, resistors, etc.).

Extra Hardware for Final Product

• Copper PCB
• Ping pong ball
• Maskig tape (to diffuse LED)
• Super glue
• Telescoping antenna