Circuit Cellar 354 January 2020 (PDF)

Issue #354January 2020 System Solutions for Drones 6: Motion/Gesture-Controlled Speakers : PIC32 Playback, By Jidenna Nwosu, Benjamin Francis and Ayomi Sanni 12: Device Measures Indoor Air Quality: Bluetooth-Based Design, By Carlo Tauraso 20: Sound Localization: Using a PIC32 MCU, By JinJie Chen and Alvin Pan 27: Choosing Real-Time Embedded System Products: 10 Key Tips, By Rodger Hosking 32: System Controller Manufacturing Test (Part 1): The Hardware, By Nishant Mittal and Manoj Khandelwal 36: System Solutions Accelerate Drone Development: Fast Track to Flight, By Jeff Child 42: Analog ICs Boast Battery Management Innovations: Perfecting Power, By Jeff Child 46: DATASHEET: COM Express Boards: Compact Performance, By Jeff Child 50: EMBEDDED SYSTEM ESSENTIALS: Building Against Fault Injection Attacks: Cautious Coding, By Colin O’Flynn 54: PICKING UP MIXED SIGNALS: Relaxation Generator: Reloaded: Internet Era Upgrade, By Brian Millier 64: THE CONSUMMATE ENGINEER: Semiconductor