Clocks are a mainstay of hackers and makers, as they supply a strategy to discover inventive designs whilst nonetheless keeping up a useful side to the undertaking. [Brett Oliver] follows this practice in creating a cyclotron clock that makes use of a perpetual rotating digit idea from a 1900s table turn calendar.
Each and every digit of the clock has a rotating chamber that’s sufficiently big to suit a gaggle of tiles inside of that experience digits revealed on both face. The tiles are sized and stacked in any such means that the rotation of the chamber lets in the following tile to slip in entrance of the outdated one. Explicit digits are printed by way of rotating the chamber a variety of occasions.
Each and every of the 4 digits positions has a 28BYJ-48 stepper motor to rotate the chamber, with each and every motor being pushed by way of a ULN2003 motive force module. The primary microcontroller is a ESP32 WROOM, and an I2C suitable DS3231 actual time clock (RTC) module assists in keeping time. All the motors are pushed off of an LM2596 module that gives 7 V, whilst the ESP32 and RTC are powered from a USB connector.
The other modes and the facility to set time is completed via a panel that has more than a few buttons and knobs. The entire clock is fastened on a customized wood base that has cutouts for the panels and cabling. [Brett Oliver] has accomplished a super task of documentation, going into element in regards to the mechanics and electronics of the construct. Design information, together with STLs of the more than a few parts, also are to be had for obtain. Make certain to take a look at the video after the smash.
We’ve featured a turn calendar with a equivalent running concept prior to which obviously displays the interior workings of the mechanism.