Create a donation box that will encourage visitors to the arts center to make a contribution. Something with lights and action when greenbacks are inserted into a slot. The goal is to make it so facinating that people would keep feeding money so they could see what happens.
It would be fun if a vending machine "bill acceptor" could be used. That could trigger the mechanical action.
New Project Hallicrafters SX-101A Communications Receiver Saw this for sale on ebay and just could not resist. This is one of ham radio rece...
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New Project Hallicrafters SX-101A Communications Receiver Saw this for sale on ebay and just could not resist. This is one of ham radio rece... -
Wandering the intertubes, I found a website by Dave Richards (AA7EE), a ham radio enthusiast, who has built a number of amazing shortwave ra... -
I’ve been thinking for a while that I would like to build a more sophisticated ham band receiver. To date, I’ve been making regenerative rec...
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