Redditor mi_kotalik has created 'Zero', DIY augmented reality (AR) glasses using a Raspberry Pi Zero.Zero offers features like video playback, Bluetooth audio, teleprompter, and image viewer, making it an affordable, self-contained AR device.The creation of Zero involved designing the frame, experimenting with lenses, and customizing SPI displays for real-time response.mi_kotalik plans to develop a V2 of Zero with a Compute Module 4 for enhanced capabilities like 3D rendering, GPS, and spatial tracking.