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September 2017

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Features

Big Band Sound from the Palm of Your Hand

The Macchiato is a fun and inexpensive kit that delivers a wealth of polyphonic sound!



Projects

Build the Irrigation Watch

Build this Irrigation Watch project and keep an eye on your water system.


Build the SamplerBox Mellotron

The Mellotron — an instrument used by the rock gods of the 1960s and 1970s is resurrected in this Raspberry Pi project.


Use Wi-Fi and X-10 in a “Bi-Lingual” approach to Light and Appliance Control, Part 2

Part 2 of the ESP8266-based “Bi-Lingual” Home Light and Appliance Timer explores the LCD, keypad, and Timer menu system of this Wi-Fi / X-10 home controller.


Create the Ultimate Talking Skull with the Wee Little Talker

The talking skull kit gets a brain boost with the Wee Little Talker: an all-in-one controller board.



Columns

The Spin Zone
by Jon McPhalen
Stepping Up to Help Friends
Exploring the use of stepper motors on the Parallax Propeller.

The Ham’s Wireless Workbench
by H. Ward Silver
Thermal Management
Some Hot Topics for a Cool Hobby.

Q&A
by Kristen McIntyre
Reader Questions Answered Here (09.2017)
Get info on disposing of printed circuit board etchants and communicating on a light beam.

Departments

Conspiracy Theory
by Bryan Bergeron
Does someone have a grand conspiracy to wipe out the retail electronic component industry in the US?