In this issue

6 Making a Chess-Playing Robot
Using Python and Raspberry Pi
By Christopher Martin-Rebneris

16 Building an Autopilot
Robot (Part 1)
Accelerometers in Action
By Pedro Bertoleti

26 Power Line Communications
Using a Cypress PSoC
By Aubrey Kagan

32 Build a Persistence-of-Vision Display
Using LEDs and PIC32
By Han Li and Emily Sun

SPecial FEATURE
38 Security Takes Center Stage for MCUs
Enabling Secure IoT
By Jeff Child

Technology Spotlight
44 MCU Dev Kits Meet Diverse Application Needs
Rich Resources
By Jeff Child

Product Focus
50 8- and 16-bit MCUs
Right-Sized Solutions
By Jeff Child
54 Embedded in Thin Slices
Internet of Things Security (Part 5)
Identifying Assests
By Bob Japenga

58 The Darker Side
Hybrid Couplers 101
Elegant Simplicity
By Robert Lacoste

64 The Consummate Engineer
Humidity Sensors
From Vapor to Voltage
By George Novacek

68 From the Bench
Fog-Detection Audio Project
Using Arduino UNO
By Jeff Bachiochi

TECH THE FUTURE
79 The Future of Computing
How RISC-V Enables the
Next Era
By Ted Speers

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.