38 March 2014
light color of your choosing. Mood light color is altered
using the 1 and 7 keys to change the color’s hue up and
down, respectively; the color’s saturation is adjusted
using the 2 and 8 keys; and the color’s value or
brightness is changed using the 3 and 9 keys.
The clock will remain in mood light mode until
either the ENTER/SAVE or the STOP/MODE key is
clicked. At that time, the clock will go back into interrupt
mode awaiting a further command.
3 Key — Clicking this key puts the clock into pattern
display mode. Without further user input via the remote,
the clock will randomly choose one of its built-in display
patterns to show and the speed at which to display the
pattern. If you wish to change the speed of the pattern’s
animation, use the up and down arrow keys on the
remote (up faster, down slower), followed by the
ENTER/SAVE key to engage the new speed.
You can also select a different pattern for display by
using the left and right arrow keys followed by the
ENTER/SAVE key to select the new pattern. Clicking the
STOP/MODE key interrupts the
pattern display mode and moves
the clock back into command
4 Key — Click this key to set
the clock’s time. You first set the
hour, then the 10s of minutes
value, and then the minute
value. Valid hour values are
1.. 12. Use the up and down
arrow keys on the remote to set
the hour value.
When the hour is correct,
click the ENTER/SAVE key to
proceed to setting the 10s of
minutes value within the range
of 0.. 5. A zero 10s of minutes
value is indicated by no LEDs
being lit. You must click the up
key to set a non-zero 10s of
When satisfied, click the
ENTER/SAVE key to set the
minute value within the range of
0.. 9. Clicking ENTER/SAVE after
you have set the minute value
puts the clock back into clock
mode, which should display the
time you have just set.
5 Key — Click this key to set
the date. Setting the date is
similar to setting the time except
the values to set in order are month (1.. 12), 10s of days
(0.. 3), day (0.. 9), 10s of years (1.. 9,) and year (0.. 9). After
you set the date a couple times, you’ll get the hang of it.
6 Key — Click this key to set the background color of
the clock which is blue by default. Color is set as
described for mood light mode.
7 Key — Click this key to set the colors associated
with the time display. By default, the hour is displayed in
red and minutes in green. You first set the hour color,
then the minute color.
8 Key — Click this key to set the colors associated
with the date display. By default, month is displayed in
yellow, day in magenta, and year in cyan. You first set
the month color, then the day color, then the year color.
9 Key — Click this key to set the color of the toggle
LEDs. By default, the toggle LEDs display in red but you
can change that to whatever color you desire.
■ PHOTO 5. Alternative packaging using a
SparkFun Pro micro Arduino.