As air-conditioning billows into the Special Exhibitions Gallery on the second floor, Sara J. Schechner ’79, curator of Harvard’s Collection of Historical Scientific Instruments, and Richard L.
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 ...
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