riyadth / teensy_display

Spartronics countdown clock display

Spartronics countdown clock to the bag date. Scrolling message is supported which is set via the mode button

Parts

• Teensy LC
• Adafruit NeoMatrix
• DS3231 RTC
• AT24C32 for storage -- currently not used

Libraries

• IntervalTimer library
• DebounceEvent button manager
• Adafruit NeoPixel and NeoMatrix library
• DS1307RTC library (compatible w/ DS3231)

Usage

• 3 buttons control the behavior of the display
  • button 1: specifies mode for reprogramming the display, i.e. display clock or scrolling message. Mode button circulates: display message, display countdown clock
  • button 2 & 3: Unused: button push will generate events in code, however no state change will occur.

Note: holding the DEC button down during boot will force set the datetime via user input