Category Archives: specification

Bluetooth Turns 5

Last week, the latest and greatest member of the Bluetooth family of wireless specifications was announced to the world: Bluetooth 5! What main changes are in store? Read the FAQ (PDF), or dig into the full spec (bigger PDF) at 2,800 pages.

Their big-print selling points include “up to 4x the range, 2x the speed, and 8x the broadcasting message capacity” to power the Internet of Things. Etcetera. [Akiba] pointed out via Twitter that they get the fourfold increase in range by adding an extra zero to the “Maximum Output Power” spec, going from 10 mW maximum power to 100 …read more

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Posted in bluetooth, bluetooth 5, news, specification, wireless hacks | Leave a comment

Specifications You Should Read: The NASA Workmanship Standards

The NASA workmanship standards are absolutely beautiful. I mean that in the fullest extent of the word. If I had any say in the art that goes up in the Louvre, I’d put them up right beside Mona. They’re a model of what a standard should be. A clear instruction for construction, design, and inspection all at once. They’re written in clear language and contain all the vernacular one needs to interpret them. They’re unassuming. The illustrations are perfectly communicative.  It’s a monument to the engineer’s art.

Around five years ago I had a problem to solve. Every time a …read more

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Posted in books you should read, Engineering, Hackaday Columns, nasa, specification, specs, standard, standards, workmanship | Leave a comment