Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Showing posts with label teardown. Show all posts
Showing posts with label teardown. Show all posts

Glowing mercury thyratrons: inside a 1940s Teletype switching power supply

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We recently started restoring a Teletype Model 19, a Navy communication system introduced in the 1940s. 14 This Teletype was powered by a b...
17 comments:

Sonicare toothbrush teardown: microcontroller, H bridge, and inductive charging

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My Sonicare electric toothbrush recently quit working, so I took it apart and examined the interesting circuitry inside. There's much ...
26 comments:

Lacking safety features, cheap MacBook chargers create big sparks

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You might wonder if it's worth spending $79 for a genuine MacBook charger when you can get a charger on eBay for under $15. You should...
4 comments:

555 timer teardown: inside the world's most popular IC

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This article is translated into Vietnamese at: Bên trong chíp định thời 555 . If you've played around with electronic circuits, you ...
20 comments:
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