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September 2018

Nuts and Volts Magazine


Features

10 Awesome Raspberry Pi HATs You Need to Try

Whether you’re building your own electronic drum kit or measuring distance with a 3D scanner, a HAT can give your Raspberry Pi exactly the functionality you need.


Super Simple Projects for Learning Soldering and More

Super Simple Projects for Learning Soldering and More


Ready Player 2: CC3200 Wi-Fi & IoT MCU — Part 1

Working with CC3200 Launchpad and Code Composer Studio (CCS).


Can You Trust Your Voltmeter?

You can easily build or buy a perfectly good IC voltage reference and set your mind at ease about the accuracy of your meters.


How Does Electricity Know to Light Up a Light Bulb?

POSER #1: How does electricity know to light the bulb while leaving everything else dark?


Meet the Microbitx:  A Simple to Build, Yet Challenging All-Band Transceiver Kit

The eagerly anticipated Microbitx transceiver kit is not without its own set of problems.


FPGAs for the Hobbyist: NTSC Shield

Design a video shield for Embedded Micro’s Mojo V3 FPGA Development Board.


Mass Confusion: The End of the Kilogram as We Know It

The metric system will be changing in a way that is more profound than anything since its establishment following the French Revolution.



Projects

Build a Customizable Musical Doorbell

Select from among eight different tone sequences from a single doorbell switch, or up to four doorbell switches, each with its own tone sequence, for different doors/locations.


Build the MIDI Replay Stomp Box

Build this powerful configuration and recording device for keyboard players.



Columns

Near Space
by L. Paul Verhage
Raspberry Pi Zero Flight Computer — Part 3
Finishing up the Raspberry Pi near space flight computer.

The Ham’s Wireless Workbench
by H. Ward Silver
Filter Design Software
Conclusion of a short tour through filters and filter design.

Q&A
by Kristen McIntyre
Reader Questions Answered Here (09.2018)
Questions related to dealing with a constant hum and getting into brain control.

Open Communication
by Louis E. Frenzel
How Phased Array Antennas Work
Introductory tutorial on a special antenna type you need to know about.

Departments

DIY Biotech: The Ultimate STEM Track?
by Bryan Bergeron
The oldest maker activity on the planet — DIY Biotech, including genetic engineering and cell-based manufacturing — is poised to change everything.