Lamp controler board, second try
Today I have rebuilt the lamp controller board taking care of placing high current lines far from low current lines in order to avoid induced currents. But that did not solve the issue.
The new board is a complete 4x4 matrix controller. It was considerably faster to build this one. I am getting used to it, it is becoming easier to build :-)
Here is a video of the current status of the project, and a question for the electronics geeks: