Christmas control boxes

Let's talk about the devices that make the light displays come alive. These control boxes are really simple devices but are a challenge to make and implement. I have two different versions of these control boxes - parallel port and serial port. As one might derive from the name they are computer controlled. I consider the parallel port version the older version because I made them first and they aren't as flexible. I'm currently working on making serially controlled boxes with many more features and options. But again, they are simple devices. The complexity comes from the software that drives the boxes. While these boxes work well with a computer, they don't necessarily have to be connected to a computer to work. Put simply, they are devices that use a low voltage signal to control 110VAC.

Gallery of all control box pictures

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Last modified on 02/02/01