Build a tiny art gallery!
summary
A tiny pixel-art gallery runs on a Raspberry Pi 3 Model B driving a 32x32 LED matrix (Adafruit) with a Node.js web app using Express, EJS, multer, Socket.IO and Azure blob storage; images upload to blob, IoT messages via Azure IoT Hub tell the Pi which file to download, a C++ matrix viewer is invoked from Node (node-cmd) to show JPGs or GIFs with a two second t2 display flag. The built demo works locally but hardware and network flakiness breaks live demos.
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