However, with care, the second core can perform application tasks in certain circumstances. His library takes full advantage of the programmable I/O module functionality and uses the second core which is dedicated to video processing. A PWM-driven audio output channel is also included in the package. The library provides a whole slew of features, including frame buffering, sprites, overlays, and resolutions up to 1280×960 in either NTSC or PAL timings. His main goal with this library is to run retro games which can fit within the limited RAM and processing power of the Pico, but the demo video below shows a wide array of potential applications. really pushes the limits of the Pico with his PicoVGA project, which packs a surprising number of features. You might remember from some of his hacks we featured over the years, like his home-brew CT scanner or placing fourth in the first Hackaday Prize contest in 2014 with the open sourced tricorder project.Ĭontinue reading “Coin-Operated Graphing Calculator Console” → Posted in Retrocomputing Tagged coin operated, graphing calculator, retro game console, Satire, video game console However, at 25 cents per plot with no apparent hard-copy capability, this console calculator might be a bit pricey for all but casual plotting over a few beers at the local pub. It was a bit tricky to control a calculator with only two knobs, but he makes it work. The computing power is from a Raspberry Pi with an Arduino Uno serves as an I/O processor. The cabinet is framed in 2×3 lumber and faced with wood veneer covered plywood and vinyl overlays for the graphics. He built the project over the holidays, enlisting his father and daughter as helpers. With nothing more to go on than the fake mock-up pictured from the original satirical article, was able to scale the dimensions from the photo making a few reasonable assumptions. Longtime hacker was so impressed with a piece in The Onion from last year that he decided to build this coin-operated Texas Instruments graphing calculator console on a whim (video below the break - warning vertical orientation).
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