astronomy

Compact STM32 GPS Device Displaying Planets Above This STM32 GPS Device Shows Which Planets Are Above You Offline, Fitting 5 Years of Orbits in 64KB

What if a tiny electronic device could look at the sky without a camera or telescope and tell you which planets are currently above the horizon? That is the idea behind Whats Up V2, a compact GPS-based circuit built around an STM32G031K8 microcontroller. The device uses a u-blox SAM-M10Q GPS module to obtain its location and precise UTC time, while nine SK6812-EC20 addressable RGB LEDs provide…