Monthly Archives: September 2014

Math alert: My spiral trees have 42 pixels. That means 42 x3 =126 LEDs per tree. 2 trees are connect each controller. That means controllers have 252 leds. So if we allow 20mA per LED.  That comes to a total … Continue reading →

I have previously designed and built a 4 channel DC DMX controller. This controller has served well. But I needed to do a quick update for some display items. Firstly I needed to add RJ45s.  They take  up a lot … Continue reading →

I have previously designed and biult a 8 channel RGB strip controller.  This controller has served well.  But sadly the output transistors have gone End of Life. I did two things to rectify this situation, I found a replacement device … Continue reading →