Category Archives: Electronics

Overclock that puppy!

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

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Boolean Logic with 555s

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

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

Digital blasphemy?

When is a 555 not a 555? When it’s really a PIC! The design of the DrACo/Z80 computer calls for a 555 timer (a great piece of paleotech, even if it still isn’t sure after 38 years whether it’s really … Continue reading

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