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Full schematic is complete

Proudly featured on the cover of the March 2018 issue of Nuts and Volts magazine!

I'm having some trouble keeping the kit in stock since the Nut and Volts article came out. If I'm out of stock, try ordering from the Nuts and Volts store at
Thank you for your patience and understanding!

The full schematic for the clock is complete. Now I’m starting the layout of the PCB. This is going to be fun! Nearly 200 components to place, most of them in precise locations. I’m using a spreadsheet to calculate the exact coordinates and angles of the parts. And I’m going to manually route the traces myself. I’m hoping to put all the traces on the back side of the board except the 14 I/O lines for the LEDs will be on the front side in concentric circles among the LEDs.