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Circuit Cellar Magazine - July 2026

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In this issue

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 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 Brain Millier 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

IoT Infrastructure: On-Premises Deployment or Cloud Solution?

Designing an IoT system is not only about sensors and dashboards.

5 mins

WWVB Timecode Generator A Tool for Testing Radio-Controlled Clocks

In this article, Robert describes how he built a timecode generator that provides simulated code from WWVB, a radio station operated by the National Institute of Standards and Technology, which is used to synchronize millions of radio-controlled clocks.

10+ mins

Rust: An Embedded Lightning Rod Nothing Is Quite as It Seems

Linus Torvald’s release of Linux 7.0 announced the finalization of Rust-related projects in the kernel: From now on, the programming language is to be considered a first-class member of Linux.

10+ mins

Introduction to Radar Systems Part 1: Understanding Radio Detection and Ranging

Radar has become the invisible backbone of the modern world, a “sixth sense” for today’s technology in national defense, meteorology, agriculture, environmental monitoring, and even healthcare.

10+ mins

Airborne Sensors Architectures, Timing, and What Really Flies

Airborne sensor systems are unique.

8 mins

MCUs at the Heart of the Edge Modern MCUs Go Beyond Simple Process Control

Microcontroller Units (MCUs) are the power at the heart of modern embedded systems.

2 mins

The Tireless Intern: LLM Coding Agents for Embedded Work Using AI Speeds Security Tooling

This article discusses a case study of using a large language model (LLM) to develop a tool for embedded security, that would have otherwise taken several weeks (or months) of effort in a few days.

10+ mins

Blues Latest IoT Modules Notecard for Skylo and Notecarrier CX

Satellite comms for IoT projects may seem the domain of enterprise customers, but new modules from Blues can bring satellites within reach even for small professional and research projects.

10+ mins

MIKROE’s Stepper 29 Click Designed for Bipolar Stepper Motor Control with Configurable Advanced Microstepping

Stepper 29 Click is a new motor control Click board from MIKROE, the embedded solutions company that dramatically cuts development time by providing innovative hardware and software products based on proven standards.

1 mins

650V ICeGaN Device for Automotive Applications from CGD Helps Increase EV Range

Cambridge GaN Devices (CGD) has developed a 650V GaN IC for automotive applications that addresses automakers' desires to improve inverter efficiency.

1 mins

PLS' Debug and Trace Tool UDE Supports ST's Stellar P3E Automotive Microcontroller

The debug, trace, and test tool UDE Universal Debug Engine from PLS Programmierbare Logik & Systeme, has expanded its support to encompass the Stellar P3E.

2 mins

Vishay Intertechnology Automotive-Grade Optocouplers Deliver High Isolation Voltage Ratings and Distance for EVs and Solar Inverters

Vishay Intertechnology, Inc. introduced two new Automotive-Grade optocouplers with phototransistor output in a widebody package featuring a comparative tracking index (CTI) of 600.

1 mins

Stackpole Launches RVCU High-Voltage Chip Resistors for Precision High-Voltage Divider Circuits

Stackpole Electronics has introduced the RVCU series of highvoltage chip resistors, designed for voltage divider, sensing, and measurement circuits that demand stable performance across changing voltage and environmental conditions.

1 mins

Rambus Enables Power-Efficient AI Platforms with SOCAMM2 Server Module Chipset

Rambus Inc., a premier chip and silicon IP provider making data faster and safer, announced a SOCAMM2 (Small Outline Compression Attached Memory Module) chipset designed to enable low-power, high-performance LPDDR5X-based memory modules for AI server platforms.

2 mins

Signal-to-Noise Ratio for Voice Activity Detection Devices

Users needs to be able to give AI glasses voice commands and be sure the device is only picking up their speech, not other sounds.

4 mins

Read all Stories from Circuit Cellar

Circuit Cellar Magazine Description:

Publisher: KCK-Media-Corp.

Category: Education

Language: English

Frequency: Monthly

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.