One Dekatron Clock
Time Shown is 6:55 – Click on photo to see video.
Schematic Drawings – Sheet 1 (click either to enlarge):
And Sheet 2 – Chime Generator:
Click here to access the binary dclock1b.HEX file, which is to be programmed into the AVR microcontroller.
Rough 6476 Board schematic & BOM below: