One of our Facebook fans, John, shared a link to this all-transistor clock kit.  That's right, this is a kit: 194 Transistors, 566 Diodes, 400 Resistors and 87 Capacitors. The PCB + components is $199 while the PCB alone is $100.  For the amount of engineering that went in to this, it seems like a very reasonable price. (Besides, it isn't like I could engineer one of these.  It isn't exactly an Arduino + LCD) While you're at his site, be sure to check out his TTL clock, microprocessor clock and calendars too.

 

KABtronics transistor clock

If you're thinking about getting on of these, you can view the assembly manual here: http://transistorclock.com/tranmanual.pdf

Images and text use with permission from KABtronics: http://transistorclock.com/

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