Credit: illusionmanager Published Apr 29, 2026, 12:17 AM EDT Simon is a Computer Science BSc graduate who has been writing about technology since 2014, and using Windows machines since 3.1. After working for an indie game studio and acting as the family's go-to technician for all computer issues, he found his passion for writing and decided to use his skill set to write about all things tech. Since beginning his writing career, he has written for many different publications such as WorldStart , Listverse , and MakeTechEasier . However, after finding his home at MakeUseOf in February 2019, he would eventually move on to its sister site, XDA, to bring the latest and greatest in Windows, Linux, and DIY electronics. Sign in to your XDA account Summary The Meridian Orrery uses an ESP32, 3D parts, magnets, and motors to build a self-updating tabletop solar system. Uses an ESP32C3 and DS3231 RTC to calculate planet positions offline after a one-time calibration.…