First off all, apologies for the lack of video. This device was made for my brother for his birthday and that was before I became a member of LMR.<o:p></o:p>It is based on the firefly from this guy http://tinkerlog.com/howto/synchronizing-firefly-how-to/ but instead of buying a kit I decided to have a crack on it myself using PICAXE 08M. It was my first custom made PCB (and not all that good design…). The PCB was made up of a matrix containing 15 separate units sharing only power. The plan was to cut them out individually and mount them inside ping-pong balls, suspended by thin wires from the ceiling. That didn’t work out since the LDRs was not sensitive enough (I probably should have gone with photo transistors instead) .<o:p></o:p>Anyway, a fun little project that I will probably revisit when I have learnt some more electronics.<o:p></o:p>
The ‘Fireflies’ start up flashing in sync, but when disturbed by the light from a laser pointer they get all mixed up. Trying to get back in sync can take all from 5 seconds to several minutes.
</o:p><o:p>Mounted with regulator</o:p><o:p>
</o:p><o:p>I printed the PICAXE program on the front just for fun.</o:p><o:p>
</o:p><o:p>PS. When mounted on a wall, the front is completely white</o:p>