Category Archives: Uncategorized

Projects pissing me off and becoming mental Projectiles


Anyone have any advice and possibly specific part donations for a laser engraver/cnc? I have all parts except arduino board and i guess a certain specific kind of stepper board?  can’t really afford these either at the moment.  this machine doesn’t have to be anything robust, a 2″x2″ cutting/engraving area will suffice.  HELP PLEASE!!! Someone!!! ANYONE!!!

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Making vector arcade games with an FPGA


Hackaday

3d

While we’re sure most Hackaday readers were raised by arcade games featuring sprites, pixels, and other shiny brightly colored squares, this was not always so. Many classic arcade games – Lunar Lander, Gravitar, and Asteroids in particular – used vector displays. Instead of drawing individual pixels, these games functioned more like an oscilloscope, drawing lines. When [Todd] and [Andrew] got their hands on a monitor from an old Asteroids cabinet, they knew what they had to do: build their own vector arcade game.

The guys made their own DAC and Amplifier board that plugs right in to a Nexys2 FPGA dev board. This was after they tested out some 3D drawing code with a gnarly handmade R2R DAC they used to draw and rotate a cube on an oscilloscope screen.

Not only did the guys build a vector video card, they also connected the FPGA’s VGA out to a…

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