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In this issue

Advances in PCB Design Tools 6: Build a Drill Position Indicator: Using Arduino Nano, By Anuj Justus Rajappa and Vairamani Kanagavel 12: Building a COVID Test Drone: Part 1: Components and Connectivity, By Andrei Florian 22: Build Your Own IoT Platform: Part 2: Connecting to Devices, By Dhairya Parikh 30: Devices Aid Speech for People with Disabilities: Using the BBC micro:bit, By Matthew Oppenheim 38: PCB Design Tools Enhance Their DFM Capabilities: Portals and Platforms, By Jeff Child 42: Embedded Displays Offer New Features and Formats: Screens for All Seasons, By Jeff Child 46: DATASHEET: Embedded PCs: Complete Compute Solutions, By Jeff Child 52: EMBEDDED SYSTEM ESSENTIALS: Power Analysis of ECC Hardware Implementations: Curves and Keys, By Colin O’Flynn 56: PICKING UP MIXED SIGNALS: A Digital Amplifier for TVs: Using a Teensy 4.1, By Brian Millier 68: FROM THE BENCH: Build Your Own Battery Monitor: Counting Coulombs, By Jeff Bachiochi 75: Product News 78: Test Your EQ 79: The Future of Smart Cities: 5G and Intelligent Transportation Tech Fuel Smart City Advances, By Steve Mazur

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