These are for daisy chaining multiple units together as we are doing.It’s what the little ribbon cable in the box is for.
1 x USB Lead – Type “A to B” This is needed to to program the Arduino, and then as a power lead for the clock. w=519" class="size-full wp-image-17" title="Pong Clock Schematic" src="https://123led.files.wordpress.com/2009/07/ledclockschematic.jpg?one that brings each pin of the chip out to a solder pad you can connect wires to.(You can see this area on the bottom left of the board in the picture below.) Again places like Sparkfun or e Bay are good sources for them. Check you get the black header pins too as some boards are sold without them.It's almost certain that the issue is somewhere on Google's side, and we can only hope that it is resolved soon and that our devices' battery stats are returned to normal.This clock uses the classic video game Pong to tell the time.