lightningtalks-clock

Simple countdown timer for lightning talks

Features

• Speaker or heralding volunteer can start timer with button
• Display towards the audience and the speaker
• Starts count on reset with a beep
• Beeps at 1 minute left
• 3 beeps when timer reaches 0 and shows STOP on the display

Hardware

• 1 arduino uno
• 2 led matrix display
• 1 active beeper
• remote reset button attached
• power source for the arduino (powerbank)
• a case

Future ideas

• make time adjustable with hardware interface (rotary encoder?) -> for now hardcoded in software.