40 Open-Source Hardware Projects for the Holidays 🎁 Explore cutting-edge designs for IoT devices, Raspberry Pi, Arduino, drones, smart home gadgets, robotics, and more. Whether you’re building motor controllers, weather stations, or smart vending systems, there’s something here for every maker. All open-source and ready to customize! Check comments for the document with the projects list. #pcb #arduino #raspberrypi #electronics #hardware #opensource #maker | Flux