'Antique' Auto Correcting Analog Clock
cults3d
https://www.youtube.com/watch?v=XDOLTDkg-n0 "'Antique' Auto Correcting Analog Clock" is a stylish analog clock I designed to mirror the old-fashioned clock my grandmother owned for many years. Her clock had a wooden case with brass hardware and intricate inner workings. This modern take on her classic design features a 3D printed case made from wood and copper PLA for the frame, details, and inner mechanisms, along with black PLA for the sleek clock hands. Unlike her vintage spring-driven windup mechanism, this contemporary clock uses an Adafruit Feather ESP32 board, a precise stepper motor, and a sophisticated stepper motor controller to accurately drive the clock hands once per minute. The innovative software behind this analog marvel is designed to automatically "home" the clock on startup or reset by aligning the clock hands with the 12:00 position using a reed switch and magnets to detect the home position. Then, leveraging one of the numerous NTP time servers, the software skillfully adjusts the clock hands to reflect the correct time. The NTP server is polled by the software every hour on the hour, and the received time is written into the ESP32's real-time clock for precision accuracy. When the clock reaches 12:00 (noon or midnight), if it's running behind schedule (detected by the NTP time of 12:00 but the reed switch remains inactive), the software will seamlessly fast-forward the clock to the 12:00 position, then resume its normal operation. As always, I likely forgot a crucial file or two, so please don't hesitate to ask if you have any questions. I'm known for making mistakes, and I appreciate your understanding. Designed using Autodesk Fusion 360's powerful design tools, sliced with Cura 3.5.1 for optimal printing settings, and printed in high-quality PLA on an Ultimaker 2+ Extended and an Ultimaker 3 Extended for a stunning finish.
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