N&V 2019 Issue-3

N&V 2019 Issue-3
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Price: $6.00
Product ID : SKU17494




DIY Biotech: Gel Electrophoresis

by Bryan Bergeron

Solve your own DNA mysteries with gel electrophoresis.

CNC Routers: Backlash

by Roger Secura

Whether you own or intend to build/buy a CNC router, make it a habit to routinely check for backlash.

Parallel Processing with the Propeller FLiP

by Jim Arlow

Take an in-depth look at the Propeller FLiP board from Parallax.

Monitor Motion from a USB Webcam

by Anthony Guevara

Take a look at how this highly configurable and stable monitoring system works.

Getting Started in DIY Modular Synthesis — Part 2

by Scott Rise

Take a look at five synthesis building blocks.

An Elegant Approach to Design a Variable Voltage Divider

by Jordan Dimitrov

These design ideas for voltage dividers really add up.

A Simpler Current Limiter

by Klaus Spies

Using light bulbs to limit current.

Restoring the Heathkit ES-400 Computer

by David Goodsell

Refurbishing the “Big Kahuna” of Heathkits.

Learn to Send and Receive Morse Code with the Morserino-32

by Bryan Bergeron

Review of the Morserino-32 CW Trainer.


Build a Pocket-Sized Altair Computer

by David Hunter

Make a retro PC that fits in an Altoids tin.

Build a Digital Light Saber

by Mel Gehrs

Create “light graffiti” with this fun project.

Build a Small Powerful Dummy Load

by Richard Gillette

Use this device for testing that costs less than $5 to make.


by Kristen McIntyre
Electronics Q&A (03.2019)
Questions on turn-signal light bulb flashing rates, specs on ignition cell batteries, and version control systems.

Open Communication
by Louis E. Frenzel
Whatever Happened to these Wireless Technologies?
A list of “forgotten” standards and services.


New Products (03.2019)
TC Measurement Hat for Pi, PC Controlled Antenna Tuners, Hands-Free Voltmeter, 3 Series MDO and 4 Series MSO, Package Pricing Basic Test Equipment, No Assembly Fees on Five PCBs, RPi Enclosure with Touchscreen, 4 mm Inline Fuse Adapter.

RIP: Terrestrial AM Radio
by Bryan Bergeron
Routines and methods are changing in how folks get their news and music delivered.

Reader Feedback (03.2019)
Comments from readers.

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