All Transistor Clock

As a teaching exercise for my "Technology for Artists" class, we designed and built an all-transistor digital clock using no chips of any kind - as if we were back in 1960. (we cheated a little on the display)

The schematics for this project are available by clicking the link below:

http://www.fernekes.com/2020/04/all-transistor-clock/

If you are interested in the circuit fabrication techniques used to build this project, check out this video where I explain in detail:

https://www.youtube.com/watch?v=vq968AFgPhg ... https://www.youtube.com/watch?v=Y5kkgO5MPIA