Ruby Conference 2008 -
summary
Ruby code compiles down into C++ with a Ruby2C step, then Ruby-to-C++ then avr-gcc/avrdude produces a hex uploaded by rake tasks to an AVR Arduino (only 64K), letting declarative calls like output pin 13 as led produce a blinking LED (hello world Blink). Live demos include servo-driven drum, one‑wire temperature→servo dial, and a relay‑controlled drink dispenser using windshield‑washer pumps; all hardware runs from serial commands and the demos work as shown. Kits cost as little as $5–$30.
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