Category Archives: Electronics

(Towards) A 555-Based Computer

Posted on 2011-03-01 by M. Eric Carr

Using a zillion (actual count) 555 ICs to make a working digital memory subsystem Continue reading →

Posted in 555, Digital, Electronics, Nostalgia | 8 Comments

Overclock that puppy!

Posted on 2011-02-26 by M. Eric Carr

Pushing an astable 555 oscillator far beyond the datasheet frequency specs… Continue reading →

Posted in 555, Analog, Digital, Electronics, Nostalgia | Leave a comment

Boolean Logic with 555s

Posted on 2011-02-26 by M. Eric Carr

555 ICs make good timers and oscillators. It turns out that they’re also universal digital gates! Continue reading →

Posted in 555, Digital, Electronics, Nostalgia | 1 Comment

Why SI Is Cool

Posted on 2011-01-06 by M. Eric Carr

SI makes unit conversions a lot easier, by eliminating a lot of the “magic” constants… Continue reading →

Posted in Analog, Electronics, Math, Science | 3 Comments