Skip to content
This repository


Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP

Space themed monochrom clock.

branch: SpaceChron

This branch is 46 commits ahead and 1 commit behind master

Fetching latest commit…


Cannot retrieve the latest commit at this time

Octocat-spinner-32 CAD
Octocat-spinner-32 Images
Octocat-spinner-32 firmware
Octocat-spinner-32 pcb
Octocat-spinner-32 pdf
Octocat-spinner-32 README
By Scott McKittrick.

This is a space themed clock "face" for the monochron clock kit by Adafruit Industries.

The speed of the station can be adjusted by changing the value of SECONDS_PER_PIXEL.

The ground track and station locations are simulated using the following equation:
Y = 27 + floor( 20sin( Radians_PER_PIXEL*(x+36)))

Extra Features (Disabled by default)
+ Allows the clock to automatically dim the backlight at specified times
+ To activate uncomment the line "#define AUTODIM" in ratt.h
+ Resource Usage
      .data: 58 bytes
      .text: 1848 bytes
+ Addional Option: eeprom usage
   When activated, AutoDim saves it's settings in eeprom
   This uses shared memory space, so make sure there are no conflicts before enabling it.
   Enable by uncommenting the line "#define AUTODIM_EEPROM" in ratt.h
+ Allows the clock to automatically adjust for daylight savings time
+ To activate uncomment the line "#define AUTODST" in ratt.h
+ WARNING: This feature uses shared memory space. Be sure there are no conflicts before enabling it.
+ DST rules can be changed or added by editing the declaration of rule[] in ratt.c
+ Resource Usage:
      .data: 24 bytes
      .text: 791 bytes
      .bss:  2 bytes
Something went wrong with that request. Please try again.