Technology
Digital clock with no ICs
rsz_transistor-clock.jpg

The Transistor Clock is made using only discrete components–194 transistors, 566 diodes, 400 resistors, 87 capacitors, and absolutely no integrated circuits. It’s available as an open-source kit from KABtronics. [via Hack a Day]

Tagged

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

View more articles by Sean Michael Ragan