SpokePOV test rig made from old ceiling fan motor

13th July

2010

written by Todd Harrison

This is a testing rig I constructed for my persistence of vision SpokePOV kit. I used an old bicycle, ceiling fan motor and wiring from an old lamp. It works great as a bench testing rig when programming my SpokePOV boards on the wheel. It could also work as a cheap display device.

You can buy these SpokePOV boards at Adafruit.com and get more details on how to build and use your SpokPOV boards at their sister site ladyada.net

This is the second SpokePOV testing rig I’ve built so this one is being donated(*) to HeatSync Labs for testing, learning, hacking and maybe even as a part-time window display.
(*) Not the SpokePOV boards, just the testing rig and old bicycle wheel.

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19th June

2010

written by Todd Harrison

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Trampoline Soaker

17th June

2010

written by Todd Harrison

How to build a “Trampoline Soaker” for only $26.68

What is a trampoline soaker you ask? Well it’s a name to describe any contraption that sprays water over a trampoline. It’s great fun for the kids on days when it would otherwise be way too hot to play on a trampoline.

I’ve seen this done before in many simple ways but found all examples quite difficult to put up on the trampoline, take down, control direction and change the type of spray. My first few builds were failures in all the above noted difficulties. I needed something much simpler, more functional and still flexible enough so my wife could take it down to spray her plants along the side of the house and then hang it back up on the trampoline.