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In this issue

6: Getting Started with AI at the Edge: Using QuickFeather and SensiML, By Raul Alvarez-Torrico 14: Hacking MCU Pins: Repurposing Peripherals, By Stuart Ball 20: Building a COVID Test Drone (Part 2): Building the System, By Andrei Florian 34: COM Boards Enable Smart Warehouse Robots: Automated Assistants, By Dan Demers 38: Connected Cars Drive Needs for Advanced Chip Solutions: MCUs, SoCs and More, By Jeff Child 46: Technologies Enable Rich Features for Wearables: Big Challenges for Small Devices, By Jeff Child 52: DATASHEET: Open-Spec SBCs: Focus on Low Cost, By Jeff Child 56: PICKING UP MIXED SIGNALS: Build a CNC Pendant for Mach3: Controller Redesign, By Brian Millier 63: EMBEDDED SYSTEM ESSENTIALS: AirTag Teardown and Security Analysis: Hacker vs. Tracker, By Colin O’Flynn 68: FROM THE BENCH: How Gun-Style IR Thermometers Work (Part 1): Foreheads and Fahrenheits, By Jeff Bachiochi 75: Product News 78: Test Your EQ 79: The Future of Secure Encryption: Embedded Tech Enables Blockchain and Crypto, By Paul Golata

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