3D Graphics on an oscilloscope

Armed with four wingtip-mounted Sienar Fleet Systems L-s9.3 laser cannons and a SFS P-s5.6 twin ion engine, the TIE Interceptor has become the scourge of the Rebel fleet, nearly capable of out-running and out-maneuvering the beloved A-wings of Nomad Squadron. Because of [Matt]‘s tireless work, we can now visualize TIE Interceptors on approach with our targeting computers oscilloscopes.

[Matt]‘s oscilloscope visualization of a TIE fighter is a huge improvement on previous scope displays we’ve seen, considering [Matt] used very minimal hardware to display 3D graphics. The build uses an ATMega88 along with a 10-bit DAC to draw lines on the screen. The capacious Mega88 with 8kB of flash and 1kB of SRAM was nearly filled to capacity with [Matt]‘s project; to improve the rendering speed of the display, sine & cosine values are pre-computed and stored in flash along with division tables for common values.

The rotation of the TIE fighter is controlled by a serial connection to [Batt]‘s desktop. It’s a very impressive piece of work that looks like it would fit into the cinematic aesthetic of The Empire Strikes Back. Check out [Matt]‘s video of the TIE rotating in space after the break.

[Read more...]

Nodeblinky, rechargeable and full of blink

Over 2500 unique patterns and up to 25 hours of winky blinky fun, that’s what you get with Nodeblinky. This contraption was designed by the Image Node crew as a learning platform and a way to raise money for their upcoming Burning Man display.

The kit measures 4″ square and has 28 LEDs spread across its surface. An AVR ATmega168, rechargeable 9 volt battery, and two LED drivers power it. One section of their site states that it has over 2500 unique patterns, while another area says 5000 combinations of patterns. Either way, its pretty trippy as you can see in the video above. There are 4 brightness levels as well as 4 running modes to keep you amused. The kit can be purchased for $40 or the assembled unit for $80. They do freely give out all the details though, so if you really felt like building one yourself, you probably could.