In this issue

6 Getting Started with PSoC Microcontrollers (Part 3)
Data Conversion, Capacitive Sensing and More
By Nishant Mittal

14 Time-Oriented Task Manager
for 8-bit PIC Microcontrollers
By Pedro Bertoleti

18 Using Power Audio Amplifiers in Untypical Ways (Part 1)
Best Building Blocks
By Petre Tzv Petrov

COMMUNITY
30 Data Acquisition Advances Focus on Interfacing
By Jeff Child

36 Graphene Enables Broad Spectrum Sensor Development
An Interview with Stijn Goossens
By Wisse Hettinga

SPECIAL SECTION - EMBEDDED SECURITY
38 Microcontrollers Beef Up Security Features
Defense in a Connected World
By Jeff Child

42 Resources for Embedded Security
Hardware, Software and Services

46 Green Computing
Diagnosing Performance Variations in HPC
By Ayse K. Coskun

50 The Consummate Engineer
Block Diagram Reduction
and Automatic Tuning
By George Novacek

54 Above the Ground Plane
Numeric Precision
vs. DDS Calculations
By Ed Nisley
64 From the Bench
Deadbolt the Uninvited
Locked Out of My Home
By Jeff Bachiochi

TECH THE FUTURE
79 Future of IoT Communications
Will Upgraded Cellular
Networks Benefit IoT?
By Andrew Girson

Circuit Cellar Magazine Description:

Circuit Cellar magazine features engineering tutorials, detailed microcontroller-based projects, and embedded systems industry news for professional electrical engineers, EE/ECE academics, and highly skilled electronics enthusiasts. Since 1988, Circuit Cellar has featured projects and tutorials from the world's top engineers on subjects such as embedded development (e.g., prototyping and programming), signal processing (e.g., DSP chips and signal conditioning), programmable logic (e.g., FPGA projects), sensor systems (e.g., smart sensors and MEMS), 'Net-connected devices (e.g., IoT projects and protocol stacks), robotics (e.g., robotic systems and proximity sensing), and much more. Circuit Cellar is the ultimate resource for all of your electrical engineering-related needs.