In this issue

6 LIDAR 3D Imaging on a Budget
PIC32-Based Design
By Chris Graef

12 Wireless Weather Station Uses Arduino
And Two ASK Radios
By Raul Alvarez Torrico

20 Murphy’s Laws in the
DSP World (Part 3)
Future Imperfect
By Michael Smith and Mai Tanaka

34 Virtual Emulation for Drones
Suited for Streaming
By Richard Pugh

SPecial FEATURE
40 Motion Control AdvancesTarget Robotics
Integrated, Precision Solutions
By Jeff Child

Technology Spotlight
46 Power Supplies Lean Toward an Application Focus
Medical and More
By Jeff Child

Product Focus
50 IoT Gateways
Real-Time Intelligence
By Jeff Child
54 Embedded System Essentials
Recreating Code Protection Bypass
An LPC MCU Attack
By Colin O’Flynn

60 Above The Ground Plane
Frequency Modulated DDS
Conjuring a Channel Element
By Ed Nisley

66 The Consummate Engineer
Velocity and Speed Sensors
Measuring Motion
By George Novacek

70 From the Bench
Electronic Speed Control (Part 3)
Taking Flight
By Jeff Bachiochi

TECH THE FUTURE
79 The Future of SBCs
Do SFFs Mean the End of Board-Based Systems?
By Doug Patterson

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.