N&V December 2016

Features

• Take a CAN Bus for a Spin by Jon Titus
  Learn how to use a Controller Area Network (CAN) bus with a Propeller MCU.

• Replacing the 555 with a PIC by Larry Cicchinelli
  Learn how to emulate a 555 or 556 using a PIC microcontroller — with no special programming required!

• Name That Part! by David Goodsell
  Test your electronic components knowledge with this photo quiz.

• Computer Control and Interfacing with the NI MyRIO by David Ward
  National Instruments’ MyRIO is one of the best units available for computer interfacing and data acquisition. Plus, it can be utilized for a variety of teaching applications in controls, robotics, mechatronics, and embedded concepts.

Projects

• Build a Sump-Fill Level Controller by Ron Hoffman
  Need to monitor the high or low level of a fluid? Choose from these two versions of a sump/fill level monitor/controller.

Columns

• Open Communication by Louis E. Frenzel
  Spectrum Shortage Threatens the Future of Wireless
  With the grown of wireless technologies, spectrum usage demand is on the rise. The problem is, there’s only so much spectrum to be had.

• Near Space by L. Paul Verhage
  Cheap Multispectral Imaging for Amateur Science
  Quadcopters and amateur BalloonSats are the “poor man’s” version for satellite-based Earth imaging.

• Practical 3D Printing by Chuck Hellebuyck
  3D Printed On-Air Flashing Sign
  Tired of being interrupted when you’re recording videos? Alert people when you’re on the air with this flashing 3D printed sign.

• The Design Cycle by Fred Eady
  Exploring the Nuances of Nordic Semiconductor’s nRF52832’s Timer and GPIO Peripherals
  The nRF51 Series is a family of highly flexible, multi-protocol, system-on-chip (SoC) devices for ultra-low power wireless applications. This time, we’ll focus on treating the nRF52832 as a very powerful microcontroller.

• Q&A by Kristen McIntyre
  Reader Questions Answered Here
  Help with VCO devices and a design, padding 70 volt audio, and dealing with an ICOM antenna tuner problem are the hot topics this time.

Departments