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Circuit Cellar - February 2026

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In dieser Ausgabe

4: Wearable LiDAR Spatial Audio Navigator for Visually-Impaired Individuals - Built with a Raspberry Pi Pico, a TF-Luna LiDAR Sensor, and a Hand-Held Potentiometer, By Arnav Shah, Anishka Raina, and Yoon Kang 12: Robot Operating System 2 (ROS 2) - Core Concepts, Architecture, and Real-World Capabilities, By Pedro Bertoleti 18: Embedded DSP with the RT1010 MCU - Part 2: Delay, Flanger, IIR, and Overdrive, By Raul Alvarez-Torrico 28: Data Acquisition with the General Purpose Instrument Bus - Part 2: Visual Display of Multimeter Data with ScottPlot, By Tam Hanna 34: TECHNOLOGY FEATURE: Connected Home Control - Matter: The New Foundation of the Connected Home, By Curtis Franklin 40: DATASHEET: Power on the Bench - Multi-Output Power Supplies, By Curtis Franklin 44: THE SENSOR EDGE: Sensors: From Canned Tuna to Caviar, By Brian Chee 50: MODERN EMBEDDED INSIGHTS: ADRs: The Missing Memory in Embedded Projects, By Jacob Beningo 54: START TO FINISH: MCU Debugging with JTAG - Using JTAG to Peek Inside Your MCU, By Stuart Ball 63: TECH THE FUTURE: The Future of Airborne Systems - Airborne Embedded Software Simplifying Safety and Security, By Jay Thomas

Wearable LIDAR Spatial Audio Navigator for Visually-Impaired Individuals

Built with a Raspberry Pi Pico, a TF-Luna LiDAR Sensor, and a Hand-Held Potentiometer

10+ mins

Robot Operating System 2 (ROS 2): Core Concepts, Architecture, and Real-World Capabilities

The Robot Operating System 2 (ROS 2) is an open-source, middleware framework that addresses the communication and coordination challenges inherent in modern, distributed robotic systems. In this article, Pedro details how ROS 2's architectural foundations successfully address the core limitations of its predecessor, ROS 1, using real-world scenarios, and steps for setting up the ROS 2 Foxy environment on Ubuntu Linux distro, and cross-platform communication between a host PC and a Raspberry Pi module.

10+ mins

Embedded DSP with the RT1010 MCU

Part 2: Delay, Flanger, IIR, and Overdrive

10+ mins

Connected Home Control

Matter: The New Foundation of the Connected Home

9 mins

Power on the Bench Multi-Output Power Supplies

By focusing on different aspects of the task at hand, manufacturers have produced multi-output DC power supplies that allow engineers to tailor their purchase to their specific needs. In this datasheet, we explore the options available when searching for the best multi-output DC power supply to sit on your bench, assembly line, or repair station.

2 mins

Sensors: From Canned Tuna to Caviar

In the first installment of a new Circuit Cellar column on sensors, Brian Chee looks at how sensors figure into larger application packages and when \"just enough sensors\" can be the perfect solution.

10+ mins

ADRs: The Missing Memory in Embedded Projects

Remembering and communicating why design decisions were made and the reasons behind their particular implementations can be critical when it comes to developing software as a team and maintaing that software in the future. This time Jacob shares his thoughts on and experience with one of the most valuable tools to extend the reach of software development memories.

9 mins

Ambiq Unveils Atomiq, the World's First Ultra-Low Power NPU SoC Built on SPOT

Ambiq Micro, Inc., a recognized leader in ultra-low-power semiconductor solutions for edge AI, announced Atomiq, the highly anticipated system-on-chip (SoC) integrating a Neural Processing Unit (NPU) designed to enable real-time, always-on artificial intelligence at the edge.

1 mins

Bosch Sensortec Launches BMI423 Inertial Measurement Unit

Smart wearables are always on the move-and so is their sensing technology. Bosch Sensortec introduced the BMI423, a new-generation Inertial Measurement Unit (IMU) that combines extended measurement range with low power consumption.

1 mins

Omnion Power Provides Modular, Scalable DC Power System Monitoring and Control with New Pulsar 200 Controller

Omnion Power is helping to redefine the role of the DC power system controller with its next-generation Pulsar 200 platform.

1 mins

Renesas Releases its First Wi-Fi 6 and Wi-Fi/Bluetooth LE Combo MCUs for IoT and Connected Home Applications

Renesas Electronics Corp., a premier supplier of advanced semiconductor solutions, has introduced the RA6W1 dual-band Wi-Fi 6 wireless microcontroller (MCU), along with the RA6W2 MCU that integrates both Wi-Fi 6 and Bluetooth Low Energy (LE) technologies.

1 mins

Airborne Embedded Software: Simplifying Safety and Security

With modern airborne systems no longer isolated computing environments, any vulnerabilities introduced into these increasingly connected devices can quickly become much more than just a cybersecurity issue, but a safety risk no one can afford.

4 mins

Lesen Sie alle Geschichten von Circuit Cellar

Circuit Cellar Description:

Herausgeber: KCK-Media-Corp.

Kategorie: Education

Sprache: English

Frequenz: 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.