Manifesto on Construction Entry 1.0 One level or Multi-level design

    Where to start ? Well, first, you must decide what basic shape of projector do you want...meaning a 1,2 or 3 level design. Concerning the number of levels to of this writting, in my opinion there are pro's and con's to each approach. The long term probaballity that you will modify or upgrade is you need to keep this in mind when choosing. My first projector ( I have constructed only one to date) uses three levels:

    Lower level: Power supplies (Lasers and Scanner), Fan contoller, TE controller, Array of I/O switches for control of power supplies, Fans and key switch.

    Middle level: Computer power supply (3.3, 5 and 12VDC), Solid state relays, Scanner amplifiers, ILDA imput, Interlock and Fans.

    Upper level: Red,Green, and Blue Laser heads, Dichroic Mirrors for Red and Blue Laser, Bounce mirror for Green Laser, Scanner Galvo head.
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