Category Archives: Uncategorized

L20 Amplifier

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EBAY 10Watt LED Flood Light Retrofit

My 20Watt Roll your own RGB Flood Lights take a lot of effort to build. I purchased some 10Watt LED Spot lights from EBAY.  They are reasonably made and very compact.  I also purchased some LED Constant Driver boards from … Continue reading

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Out with the Old, and – What was I thinking?

Going trough display items, making sure they still work, replace the odd LED where needed etc, I very soon realised I still needed a SSR base controller.  the old control centre had two such controllers, one my first design, a … Continue reading

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Out with the Old, In with the New

This year I am upgrading my control center. Gone is the IBM ThinkCentre, the 192 Channel DC DMX sub-rack, the Grinch Dimmer, the USB DMX adapters and the couple of modified PC power supplies. The new Cabinet contains 3x 350Watt … Continue reading

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Fuse sizing

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

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4Channel Dmx DC Controller – Revisited

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

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8 Channel RGB LED Flexible Strip Controller – Revisited

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

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Finally Affordable Snowfall Tube rebirthed

FAST was created by Cory Helmuth as a inexpensive snowfall or meteor tubes. Snowfall tubes are long clear plastic tubes that have a group of LEDs arranged in a linear fashion and the LEDs light in a sequential manner from … Continue reading

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Mini Pixel Trees

Based on 900mm Tomato Cage frames and 42 LP6803 Pixels, these trees have been a very very long project. The project started almost 6 years ago when I purchased for plant trellis cages from the local nursary, for the garden. … Continue reading

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The Falcon Pi Player and a Real Time Clock

The FPP only has two option for RTC. A Rasclock and a DS1305. None of these seem to be available here in Australia. Bummer! But SunFounder DS3231 RTC Real Time Clock Module seem to be all over Ebay for a … Continue reading

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