Welcome to the Electromaker Show, episode 42! This week’s DIY tech news highlights include an Axon Wi-Fi and LoRa IoT board that seeks crowdfunding, DOOM running on a bootloader, and the Ototo for music-making anywhere! Tune in for the latest maker, tech, DIY, IoT, embedded, and crowdfunding news stories from the week!

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• Doom, on a bootloader?
• Alien Art made with just three characters  
• How to use every type of 3d printer filament
• Mastering OpenSCAD, a free full walkthrough
• Axon Wi-Fi and LoRa IoT board on Kickstarter  
• Ototo: Make Music from Anything
• Scannable QR code in the sky made with drones
• TinyS2, Unexpected Maker's amazing little ESP32 board