Название: Nuts and Volts
Издательство: nutsvolts.com
Год: 2013
Месяц: January
Страниц: 84
Формат: PDF
Размер: 17.0 Мб
Качество: Отличное
Язык: English
Nuts and Volts - популярный журнал по электронным компонентам и схемотехнике для любителей и специалистов любого уровня.
Projects & Features
32 The Sirius Metronome for the
Serious Musician
One of the most important tools any musician needs
is a metronome. The circuit described here
sports a number of impressive features that even
more expensive commercial units can’t provide.
■ By Thomas Henry
40 Build an Inverting DC-DC Converter
Ever need negative voltage when all you can get is
positive? This voltage mirror device will give you -V
out when you put +V in, and works over a range
of voltages without adjustment.
■ By Jim Stewart
46 King Tut’s Pyramid Gravimeter
Use this novel assembly to determine the
gravity of most any situation.
■ By Ron Newton
Columns
10 TechKnowledgey 2013
Events, Advances, and News
Some of this month’s tidbits include a
supercomputer that hits 20 petaflops/s,
the next-gen of the iMac family, and how to
record your entire life effortlessly.
14 Smiley’s Workshop
Programming • Hardware • Projects
The Arduino Proto Shield Alarm Clock.
24 Q & A
Advanced Techniques for Design Engineers
Questions about a voltage converter, a trigger
LED from a distributor, and a bench top power
supply are answered, plus a digital pressure
gauge is revisited this time around.
52 The Design Cycle
Advanced Techniques for Design Engineers
I’m in an LMX-ISM-242 State of Mind.
60 The Spin Zone
Adventures In Propeller Programming
New Life for an Old LCD.
72 Near Space
Approaching the Final Frontier
Using the Nearspace Simple Flight Computer.
Departments
08 DEVELOPING PERSPECTIVES
09 READER FEEDBACK
28 NEW PRODUCTS
31 SHOWCASE
67 ELECTRO-NET
68 NV WEBSTORE
71 CLASSIFIEDS
80 TECH FORUM
81 AD INDEX
