by Bryan Bergeron
Spy technology is a fun vehicle for learning basic electronics
Learn how to use a Controller Area Network (CAN) bus with a Propeller MCU.
Learn how to emulate a 555 or 556 using a PIC microcontroller — with no special programming required!
Test your electronic components knowledge with this photo quiz.
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.
Need to monitor the high or low level of a fluid? Choose from these two versions of a sump/fill level monitor/controller.
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.
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.
by Kristen McIntyre
Reader Questions Answered Here (12.2016)
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.