Circuit Cellar 432 July 2026 (PDF)

Issue #432 July 2026 AIRBORNE SENSORS 4 IoT Infrastructure On-Premises Deployment or Cloud Solution? By Ignacio Siccardi 8 WWVB Timecode Generator A Tool for Testing Radio-Controlled Clocks By Robert Stewart 16 Rust: An Embedded Lightning Rod Nothing Is Quite as It Seems By Tam Hanna 24 Designing Fail-Safe Contactor Drivers for Motor Start Circuits By Faisal Mahmood 28 Introduction to Radar Systems Part 1: Understanding Radio Detection and Ranging By Tony Hanna 34 TECHNOLOGY FEATURE Airborne Sensors Architectures, Timing, and What Really Flies By Curtis Franklin DATASHEET 40 MCUs MCUs at the Heart of the Edge Modern MCUs Go Beyond Simple Process Control By Curtis Franklin 44 Embedded System Essentials The Tireless Intern: LLM Coding Agents for Embedded Work Using AI Speeds Security Tooling By Colin O'Flynn 48 Picking Up Mixed Signals Blues Latest IoT Modules Notecard for Skylo and Notecarrier CX By Brian Millier TECH THE FUTURE 63 The Future of the Ultimate User Experience Signal-to-Noise Ratio for Voice Activity Detection Devices How to Design in VADl By Emil Garnell and Bruno Flament