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they will be really simple bitmaps images, you can get different grades of transparency by modifying the voltage, but I don't know if this will eventually damage the film, it is kind of picky about the voltage and current you use. I'm still working on the mounting system but I'll try a much standard...

thanks a lot! I really appreciate it
Fede

thanks a lot Rob!,
it seems a pretty nice and easy solution. I'll try and keep the forum posted.
f

Thanks Rob!
one question, if I'm using 15v ac on the switches, what DC voltage do I need to put on V+ and V-? 15 and-15?
thanks
Fede

Hi, What I’m exactly using for the screen are 5 by 5 inches individual squares of NPD-LCD film. This is the film used in privacy windows or Smart Glass , it’s also called 3G Privacy Film and it’s made by Scienstry, Inc.) Driving Voltage: 50 ± 5 V_AC, 50 – 60 Hz_ Current: 0.1 ( A/ m2 ) Energ...

Hi Rob, Thanks a lot for your answer. I thought it wasn't possible to feed an AC current through a MAX335 switch. If so that would be the ideal situation of course, because you're right, converting the current individually for each pixel would be crazy. but looking at the MAX335 diagram I'm confused...

Hi Everyone, My name is Federico Muelas, I run a New Media/Public Art studio in New York. I’m currently working on a Commission for the George Pearl Hall building, the new School of Architecture and Planning at the University of New Mexico. You can find further info about the project at: www.feder...