World's Largest Solderless Clock
This 4-foot wide clock is based on the LEDkit.biz "B" clock. However,
there are 4X as many LEDs. All 192 LEDs are powered by a single
LEDkit.biz driver. Not one LED or wire was soldered; everything was
twisted with a pair of pliers. The electronics costs less than the
Step 1: Making the frame
Step 2: Attach a drilled-up panel
Download drill pattern PDF
Step 3: Push LEDs into the back of the panel
Step 4: test
Powered by a single ordinary LEDkit™ driver!
power 3 clocks off one driver
Make a clock with no panel at all!
(note: the one shown above has been soldered)