Espressif Systems released the ESP-IDF v6.0 framework a few days ago with stable support for ESP32-C5 and ESP32-C61 SoCs, as well as preview support for ESP32-H21 and ESP32-H4 low-power wireless microcontrollers. The framework also implements a new ESP-IDF Installation Manager (EIM) to make the ESP-IDF installation easier, relies on the low-footprint Picolibc C library, adds security and tooling updates, as well as a few Wi-Fi enhancements, and the ability to update the bootloader over the air. Here are some of the ESP-IDF v6.0 highlights: ESP-IDF Installation Manager – Unified cross-platform tool to simplify the setup process for ESP-IDF and compatible IDEs. It’s available as a graphical interface or a CLI for automation and CI/CD pipelines. You can check the installation instructions for your OS. Picolibc replaces Newlib for a smaller memory footprint and better performance on resource-constrained devices. Check the Newlib vs Picolibc comparison for details. Contrary to some of […]

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Read more here: https://www.cnx-software.com/2026/03/24/esp-idf-v6-0-framework-adds-support-for-esp32-c5-and-esp32-c61-preview-for-esp32-h21-and-esp32-h4/

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The countdown is on! Arduino Days 2026 kicks off on March 27th with a packed two-day online celebration of everything that makes this community amazing. We’re bringing you product deep dives, inspiring projects, insights from incredible creators, and – of course! – some exciting announcements you won’t want to miss. All of it is completely free, accessible worldwide, and happening right from the comfort of your screen. 

Products: a deep dive on Arduino® VENTUNO Q boards

After launching VENTUNO Q at Embedded World 2026, Arduino Days is our chance to show off what this Edge AI powerhouse can really do. You may already know it brings together a Qualcomm Dragonwing IQ8 processor (with up to 40 dense TOPS of NPU performance) and an STM32H5 microcontroller, but during the broadcast, we’ll take you beyond the specs and into real-world applications and behind-the-scenes insights. Find out how the dual-brain system handles vision processing alongside deterministic motor control, how Arduino® App Lab makes complex AI workflows accessible, and what’s possible when you combine local LLMs, vision models, and physical actuation on a single board. If you’re into robotics, edge AI, or just curious about where intelligent systems are headed, this is the deep dive you don’t want to miss.

We also have a lot of new hardware in the pipeline: products designed to open up possibilities across different applications, skill levels, and use cases. While we can’t share all the details just yet, Arduino Days will give you a glimpse of where we’re headed and how the ecosystem is evolving to support everything you do, from learning to rapid prototyping to production-scale deployments.

People: creators, makers, and community heroes

As much as we like sharing product announcements, Arduino Days has always been and will always be about people and community! This year we’re bringing together an incredible mix of voices: from makers who’ve built massive online followings – Bob Clagett (I Like to Make Stuff), Scotty Allen (Strange Parts), and robotics maven James Bruton – to creators who are right in the thick of hands-on electronics, robotics, and engineering projects. We’ll hear from Kamitronix on electronics and embedded systems, Marina Fujiwara on creative maker projects, Nikodem Bartnik diving into robotics and automation, Peter LeMaster sharing hardware hacking insights, and Cindy Cao exploring engineering tutorials. 

Many of our partners will also bring their viewpoints to the table: Microchip, Foundries, and M5Stack are all on the program!

We’ll also be showcasing community creations that impressed and inspired us. Diverse, creative, and technically advanced projects that prove that when you put powerful tools in creative hands, amazing things happen. We’ll share the stories behind the builds, the challenges the creators faced, and what they learned along the way.

One special focus we’re excited to share will be on our team’s progress with the Desire4EU project: after presenting the initiative during last year’s edition, Arduino co-founder (and Principal Engineer Qualcomm Auto Ltd) for David Cuartielles will be back to give us an update. Arduino co-founder Massimo Banzi will also be part of the event, bringing his signature energy and perspective on where Arduino has been and where it’s headed next. 

Participation: hundreds of local events around the world!

Communities around the globe help us make Arduino Days truly unique and special. Right now, there are over 300+ local events registered, organized by passionate Arduino users who want to meet and celebrate in person. If you want to launch your own meetup, workshop, or gathering, you have only a few days left! Submit your event now to appear on the official map and gain global visibility. Let’s make this the biggest Arduino Days yet, both online and in real life!

Ready to join the celebrations?

Mark your calendars for March 27th and 28th, and tune in live. Check out days.arduino.cc for the full schedule, speaker lineup, and streaming. The Arduino community thrives because people like you show up, share knowledge, and support each other. Let’s make some noise for Arduino Days 2026. See you there!

Qualcomm branded products are products of Qualcomm Technologies, Inc. and/or its subsidiaries. Arduino and VENTUNO are trademarks or registered trademarks of Arduino S.r.l.

The post Last call and first details for Arduino Days 2026! appeared first on Arduino Blog.

Read more here: https://blog.arduino.cc/2026/03/23/last-call-and-first-details-for-arduino-days-2026/

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Espressif’s ESP32-P4 revision 3.0 and greater converts pin 54 of the chip from NC (non-connected) to a power rail (VDD_HP_1), requires a few extra passives, and an updated firmware. Espressif Systems first unveiled the 400 MHz ESP32-P4 dual-core RISC-V SoC in January 2023, and the official ESP32-P4-Function-EV development board was launched in August 2024, with commercial solutions slowly ramping up last year. You’d think the silicon and related hardware would now be frozen, but apparently not. The pin 54 was likely converted from NC (not connected) to VDD_HP_1 to improve the stability of the high-performance digital domain. The old revisions 1.0, 1.1, and 1.3 are not recommended for new designs, and the company advises people to use revision 3.0 or 3.1. They also provided updated reference schematics with the following key changes: The main differences between chip revisions v1.0/v1.3 (not recommended for new designs) and v3.0 and later versions include […]

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Read more here: https://www.cnx-software.com/2026/03/23/esp32-p4-revision-3-0-gains-new-power-rail-requires-new-pcb-design-and-firmware/

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Ohm Lab Neuro N6 is a compact, modular, Arduino-compatible Edge AI/AI Vision development board powered by an STMicro STM32N6 Arm Cortex-M55 microcontroller with a 600 GOPS Neural-ART accelerator. The Adafruit Feather-sized board features 64MB PSRAM, 32MB flash, a built-in microphone, a 6-axis IMU and magnetometer, a USB-C port for power and programming, and takes power from USB-C (5V) or a LiPo battery. The bottom side of the board features 40-pin and 30-pin high-density connectors for expansion boards, adding a camera (rolling shutter, global shutter, or thermal), a microSD card slot, Ethernet, WiFi, a TFT display, and more. Neuro N6 specifications: MCU – STMicro STM32N6 MCU Core – 32-bit Arm Cortex-M55 CPU @ up to 800MHz with Arm Helium and Arm MVE GPU – Neo-Chrom 2.5D GPU, Chrom-ART Accelerator (DMA2D) NPU – ST Neural-ART accelerator @ 1 GHz, 600 GOPS BPU – Hardware-accelerated H.264 and JPEG encoders Memory – 4.2MB SRAM […]

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Read more here: https://www.cnx-software.com/2026/03/23/ohm-lab-neuro-n6-modular-stm32n6-ai-vision-devkit-support-rolling-shutter-global-shutter-or-thermal-camera/

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The global embedded systems market reached $94.77 billion in 2022 and is projected to grow to $161.86 billion by 2030, driven by increasing complexity in automotive electronics, industrial automation, aerospace applications, and IoT deployments. Large-scale embedded projects demand specialized expertise, robust development processes, and proven track records in mission-critical environments. This comprehensive analysis examines leading embedded system development companies capable of handling enterprise-grade projects.

Market Landscape and Complexity Drivers

Large-scale embedded systems development presents unique challenges that distinguish it from smaller projects. The automotive and aerospace industries demonstrate the rising complexity, with modern vehicles containing over 100 million lines of code across multiple interconnected processing units. Advanced driver-assistance systems, autonomous vehicles, and aircraft flight control systems require embedded solutions that meet stringent safety standards like ISO 26262 for automotive and DO-178C for aerospace.

The embedded systems market is experiencing transformational shifts driven by AI integration, edge computing, IoT proliferation, and enhanced security requirements. By 2025, AI-powered embedded systems enable real-time intelligence at the edge through machine learning and neural networks, transforming applications from predictive maintenance to autonomous vehicles. The European Edge AI hardware market alone is estimated at $14.8 billion in 2025, projected to reach $97.5 billion by 2033 with a CAGR of 27.5%.

Leading Embedded System Development Companies

Yalantis

Yalantis is an ISO 9001 and ISO/IEC 27001 certified software engineering company founded in 2008, operating development centers in Warsaw (Poland), Dnipro, Kyiv, Lviv (Ukraine), and Larnaca (Cyprus). With over 14 years of experience and more than 500 qualified experts, Yalantis specializes in complex digital product development with deep expertise in IoT and embedded systems. The company has achieved 96% customer satisfaction and maintains partnerships with 15+ clients for over 7 years.

Embedded Development Services

Yalantis’s embedded development services deliver scalable, efficient, and resilient solutions designed for long-term growth. The company’s comprehensive service offerings span five core areas that address the complete embedded development lifecycle.

Embedded Architecture Design forms the foundation of Yalantis’s approach. The company designs modular and scalable system-level architectures that clearly define hardware and software responsibilities. Services include system-level architecture design with proper communication between components, microcontroller and microprocessor selection based on performance, power, and cost analysis, peripheral and sensors integration using I2C, SPI, UART, and CAN protocols, intelligent memory and power management with dynamic scaling and sleep modes, and security features implementation including secure boot processes and encrypted firmware.

Firmware Development capabilities deliver high-performance firmware using Rust, C, and C++. The company provides custom firmware development for embedded devices from industrial controllers to consumer electronics, user-facing and system-level applications for embedded Linux and Android platforms, bare-metal and RTOS-based firmware development using Zephyr and FreeRTOS, power consumption and processing efficiency optimization, and secure bootloader with encrypted OTA firmware updates.

Embedded AI services enhance embedded systems with AI-driven real-time decision-making. Yalantis integrates AI/ML models for edge devices enabling local processing without cloud dependency, implements computer vision and real-time data processing for object detection and image recognition, provides predictive analytics and anomaly detection for maintenance forecasting, and optimizes AI for low-power embedded systems through quantization, pruning, and model compression.

Rust Consulting represents a specialized offering for companies seeking modern embedded development. Yalantis provides Rust migration from legacy C/C++ systems, safe and efficient Rust-based firmware development leveraging zero-cost abstractions and memory safety, training and consulting on Rust best practices, and performance and security optimization eliminating vulnerabilities like buffer overflows.

Firmware Testing ensures reliability, security, and performance through comprehensive validation. Testing services include unit, integration, and system-level testing, compliance and security testing for industry standards including ISO 26262, IEC 62304, and FDA requirements, performance benchmarking and stress testing under extreme conditions, and automated testing frameworks using CI/CD tools and hardware-in-the-loop setups.

Technology Stack and Industry Focus

Yalantis’s technology stack includes programming languages such as Rust, C, C++, and Kotlin, development platforms including Arduino, ESP32, STM32, and NRF52, real-time operating systems like Zephyr and FreeRTOS, bootloader and Linux Kernel development, cloud integration with AWS IoT, and wireless protocols including LoRaWAN, MQTT, BLE, and Zigbee. The company serves multiple industries including healthcare, automotive, manufacturing, smart home and building, supply chain, and agriculture.

Notable Project Outcomes

Yalantis’s portfolio demonstrates capability for large-scale deployments. An enterprise-grade IoT network management platform introduced self-service functionality for easy network control, streamlined remote device management, and improved system security. A sustainability-oriented app for an EV charging provider improved access to EV charging facilities, reduced environmental impact, and maximized cost savings. An IoT-based fleet management platform achieved 1.5x faster order delivery, nearly 90% digitalization of paper-based workflows, and 40% reduction in operating costs. An IoT application for smart home management increased customer retention, improved resource management, and demonstrated higher potential for investors.

Client Testimonials and Competitive Advantages

Client testimonials emphasize Yalantis’s collaborative approach and technical excellence. One client noted: “The thing that has been unique in my experience working with Yalantis is that they aren’t a factory that you send over some requirements and they develop exactly to those requirements. It’s a much more interactive process, and the team at Yalantis, from the business analysts to developers, are very good at saying: ‘There might be a better way of doing this’.”

Yalantis’s competitive advantages for large-scale embedded projects include scalability through modular design enabling easy functionality expansion, disruptive technology implementation integrating AI, ML, and BI for competitive advantage, load-resistant performance handling high loads and real-time data streams, long-term reliability through proactive maintenance and lifecycle support, and cost-efficiency through architecture optimization and reusable components.

N-iX

N-iX stands as a global provider of embedded development solutions with over 20 years of experience and a team of 2,400+ software experts across 25 countries. The company has established itself as a trusted partner for Fortune 500 companies and industry leaders including Bosch, Siemens, eBay, and Questrade. N-iX’s embedded software development services encompass full-cycle solutions from hardware design to cloud integration.

The company’s comprehensive service portfolio includes hardware selection and design, custom firmware development for microcontrollers and SoCs, operating system customization, high-level application development, connectivity solutions, hardware-software integration, comprehensive testing, maintenance and support, and DevOps for embedded systems. N-iX demonstrates particular strength in IoT ecosystems, cloud platform integration with AWS, Azure, and GCP, edge computing, computer vision, sensor fusion, embedded AI/ML, security implementation, and digital twin development.

N-iX’s success stories demonstrate capability for large-scale deployments. For Weinmann Emergency, a Germany-based medical technology company, N-iX extended development capabilities and improved time-to-market through seamless team integration. The team worked on embedded Linux firmware development with C++ using Qt framework, expanded core product functionality, released new firmware versions, and implemented predictive maintenance. N-iX has delivered 60+ successful embedded projects across manufacturing, automotive, healthcare, and energy sectors.

Softeq

Founded in 1997 with headquarters in Houston, Texas, Softeq maintains European offices in Munich (Germany), London (UK), and Vilnius (Lithuania). The company provides full-stack engineering services across embedded systems, IoT devices, wearables, and robotics, serving Fortune 100 enterprises and mid-sized tech firms globally. Softeq combines electronics design, firmware, and cloud/backend integration into cohesive product development.

Softeq’s comprehensive services include embedded software development, hardware design, AI/ML implementation, computer vision, industrial automation, and robotics. The company is a Gold Application Development Partner of Microsoft and an official member of Apple’s MFi Program. Softeq’s 2018 acquisition of NearShore Solutions GmbH strengthened its European presence, demonstrating a commitment to serving the European market effectively.

Lemberg Solutions

Lemberg Solutions is a trusted tech consulting and software engineering company with over 15 years of embedded expertise and a team of 120+ embedded software consultants and engineers. The company provides full-cycle embedded system development including firmware, embedded AI solutions, embedded Linux systems, and hardware component selection.

Lemberg’s embedded consulting process involves technology audit, requirement analysis, technology selection, architecture design, development support, and knowledge transfer. Services span hardware development, firmware development, embedded Linux, GUI development, IoT cloud integrations, and embedded AI. The company holds ISO 9001:2015 and ISO 27001:2013 certifications ensuring quality and security.

Case studies demonstrate Lemberg’s capabilities across diverse applications. HMI development for EDS-Development electric vehicle supply equipment provided complete HMI software for charging stations. A computer vision-based device achieved 24x faster animal weighing, automating livestock monitoring. Embedded software development for 3D bioprinters provided constant support for UI, firmware, and connectivity for CELLINK, the world’s leading biotech company.

Key Considerations for Large-Scale Embedded Projects

Scalability Architecture

Large-scale embedded projects require architectural patterns that support flexibility and reuse across product families. Proven patterns include layered architecture separating hardware, middleware, and application logic for industrial controllers and smart sensors. Plugin-based architecture dynamically loads communication or feature modules for modular IoT gateways. Service-oriented firmware treats device services as APIs for multi-tenant systems and edge AI applications. Component-based UI plus logic decouples interfaces for reuse across variants in wearables and appliances. Event-driven architecture uses message passing for real-time control, robotics, and embedded vision.

Real-Time Performance

Embedded systems in mission-critical environments require deterministic timing where small delays can lead to failures, equipment damage, or safety hazards in automotive, aerospace, and medical devices. Solutions include implementing Real-Time Operating Systems like FreeRTOS, VxWorks, and QNX that manage resources efficiently and schedule tasks with precision. Advanced scheduling techniques with task prioritization ensure critical operations complete on time.

Security and Compliance

As embedded systems become more connected, cybersecurity is critical in aerospace, defense, industrial, and medical applications. Essential security measures include incorporating security features directly into hardware designs, leveraging FPGA technologies with integrated cryptographic blocks and secure boot capabilities, implementing secure boot processes, encrypted firmware, and hardware-level protections. Meeting rigorous certification processes including DO-178C for software and DO-254 for hardware in aerospace, ISO 26262 for automotive, and IEC 62304 for medical devices is essential.

Hardware-Software Integration

Smooth interaction between hardware and software is critical for reliable embedded systems. Best practices include leveraging Hardware Abstraction Layers acting as bridges between software and hardware allowing code to run on multiple platforms, early and continuous testing using hardware emulators and simulators like QEMU, Proteus, and TINA, and clear communication between hardware and software teams to align requirements and constraints.

Selection Criteria for Development Partners

Technical Depth and Breadth

Evaluate comprehensive capabilities spanning firmware development, RTOS expertise, device driver development, hardware design, wireless connectivity, cloud integration, security implementation, and testing/validation. Companies demonstrating expertise across multiple layers of the embedded stack can provide integrated solutions reducing coordination overhead.

Industry Experience and Compliance

Proven track record in relevant sectors ensures understanding of specific requirements and regulatory landscapes. Look for certifications including ISO 9001 for quality management, ISO/IEC 27001 for information security, ISO 13485 for medical devices, and demonstrated compliance with DO-178C, DO-254, ISO 26262, IEC 62304, and FDA requirements.

Scale and Team Capabilities

Large-scale projects require significant resources. Assess team size and available talent pools, geographic distribution enabling nearshore/offshore collaboration, and ability to rapidly scale teams. Companies like N-iX with 2,400+ engineers, Yalantis with 500+ experts, and Lemberg with 120+ embedded engineers demonstrate the capacity to handle enterprise-scale projects.

Proven Track Record

Evaluate case studies demonstrating similar project complexity, client testimonials from enterprise customers, long-term partnerships, completed project count, and recognitions and certifications. Yalantis maintains 15+ clients for 7+ years while N-iX has delivered 60+ embedded projects, demonstrating sustained excellence and client satisfaction.

Conclusion

The embedded systems development landscape for large-scale projects encompasses diverse players from specialized boutique firms to global technology leaders. Success in this domain requires not only deep technical expertise across hardware, firmware, and software layers, but also understanding of industry-specific requirements, compliance frameworks, and modern development methodologies.

Yalantis distinguishes itself through integrated full-stack capabilities spanning embedded systems, IoT, cloud, mobile, and AI. The company’s 14+ years of experience, ISO certifications, 96% customer satisfaction, and proven track record with enterprise clients position it competitively for large-scale embedded projects. Yalantis’s emphasis on scalable architecture, emerging technology adoption including Rust and embedded AI, compliance validation, and collaborative partnership approach addresses key requirements for successful large-scale deployments.

The future of large-scale embedded development will be shaped by AI integration at the edge, enhanced security and compliance requirements, cloud-to-edge architectures, adoption of memory-safe languages like Rust, and agile development methodologies with automated testing. Organizations selecting embedded development partners should prioritize technical breadth, industry experience, proven scalability, modern methodologies, and long-term support capabilities to ensure successful outcomes for mission-critical systems.

The post Embedded System Development Companies for Large-Scale Projects appeared first on IntelligentHQ.

Read more here: https://www.intelligenthq.com/embedded-system-development-companies-for-large-scale-projects/

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Read more here: https://www.bleepingcomputer.com/news/security/aisuru-kimwolf-jackskid-and-mossad-botnets-disrupted-in-joint-action/

The post International joint action disrupts world’s largest DDoS botnets appeared first on IPv6.net.

u-blox has expanded its JODY family of modules with the NXP IW623/AW693-based JODY-W6 series that adds tri-band Wi-Fi 6E and Bluetooth 5.4 (including LE Audio) in a single package. There are seven product variants across five main series models, mainly based on NXP’s IW623 chipset for professional use and the AW692/AW693 for automotive use. The modules are optimized for the parallel operation of Wi-Fi and Bluetooth and target high-throughput, low-latency, and secure connectivity use cases such as industrial automation, healthcare systems, smart buildings, network infrastructure, and in-vehicle infotainment and telematics systems. It has a 15.6 × 19.8 mm LGA form factor, and it’s designed for easy migration within the JODY family. u-blox JODY-W6 specifications Wireless SoC NXP IW623 (Professional grade – JODY-W672, JODY-W673 ) NXP AW692 / AW693 (Automotive grade 2 – JODY-W682, JODY-W683, JODY-W663 ) Connectivity Wi-Fi Standards – Wi-Fi 6E IEEE 802.11a/b/g/n/ac/ax Frequencies – 2.4 GHz (1-13), 5 […]

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Read more here: https://www.cnx-software.com/2026/03/20/u-blox-jody-w6-nxp-iw623-aw693-tri-band-wi-fi-6e-and-bluetooth-5-4-le-audio-modules/

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Seeed Studio’s reTerminal D1001 is an 8-inch capacitive touch display powered by an ESP32-P4 RISC-V microcontroller and equipped with an ESP32-C6 wireless module, a camera, a dual-microphone array, and a speaker. The reTerminal D1001 is a fully enclosed solution designed for HMI applications such as control panels, vision-enabled IoT terminals, video intercoms, and smart dashboards. One highlight compared to other ESP32-P4 displays is optional support for 4G LTE cellular connectivity using an mPCIe module and SIM card slot, as well as LoRaWAN using a Stamp module. reTerminal D1001 specifications: SoC – Espressif Systems ESP32-P4NRW32 CPU Dual-core 32-bit RISC-V HP (High-performance) CPU @ up to 400 MHz with AI instructions extension and single-precision FPU Single-RISC-V LP (Low-power) MCU core @ up to 40 MHz Memory 768 KB HP L2MEM (for dual-core CPU), 32 KB LP SRAM, 8 KB TCM (for LP MCU core) 32MB PSRAM Storage – 128 KB HP ROM, 16 […]

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The U.S. Justice Department joined authorities in Canada and Germany in dismantling the online infrastructure behind four highly disruptive botnets that compromised more than three million Internet of Things (IoT) devices, such as routers and web cameras. The feds say the four botnets — named Aisuru, Kimwolf, JackSkid and Mossad — are responsible for a series of recent record-smashing distributed denial-of-service (DDoS) attacks capable of knocking nearly any target offline.

Image: Shutterstock, @Elzicon.

The Justice Department said the Department of Defense Office of Inspector General’s (DoDIG) Defense Criminal Investigative Service (DCIS) executed seizure warrants targeting multiple U.S.-registered domains, virtual servers, and other infrastructure involved in DDoS attacks against Internet addresses owned by the DoD.

The government alleges the unnamed people in control of the four botnets used their crime machines to launch hundreds of thousands of DDoS attacks, often demanding extortion payments from victims. Some victims reported tens of thousands of dollars in losses and remediation expenses.

The oldest of the botnets — Aisuru — issued more than 200,000 attacks commands, while JackSkid hurled at least 90,000 attacks. Kimwolf issued more than 25,000 attack commands, the government said, while Mossad was blamed for roughy 1,000 digital sieges.

The DOJ said the law enforcement action was designed to prevent further infection to victim devices and to limit or eliminate the ability of the botnets to launch future attacks. The case is being investigated by the DCIS with help from the FBI’s field office in Anchorage, Alaska, and the DOJ’s statement credits nearly two dozen technology companies with assisting in the operation.

“By working closely with DCIS and our international law enforcement partners, we collectively identified and disrupted criminal infrastructure used to carry out large-scale DDoS attacks,” said Special Agent in Charge Rebecca Day of the FBI Anchorage Field Office.

Aisuru emerged in late 2024, and by mid-2025 it was launching record-breaking DDoS attacks as it rapidly infected new IoT devices. In October 2025, Aisuru was used to seed Kimwolf, an Aisuru variant which introduced a novel spreading mechanism that allowed the botnet to infect devices hidden behind the protection of the user’s internal network.

On January 2, 2026, the security firm Synthient publicly disclosed the vulnerability Kimwolf was using to propagate so quickly. That disclosure helped curtail Kimwolf’s spread somewhat, but since then several other IoT botnets have emerged that effectively copy Kimwolf’s spreading methods while competing for the same pool of vulnerable devices. According to the DOJ, the JackSkid botnet also sought out systems on internal networks just like Kimwolf.

The DOJ said its disruption of the four botnets coincided with “law enforcement actions” conducted in Canada and Germany targeting individuals who allegedly operated those botnets, although no further details were available on the suspected operators.

In late February, KrebsOnSecurity identified a 22-year-old Canadian man as a core operator of the Kimwolf botnet. Multiple sources familiar with the investigation told KrebsOnSecurity the other prime suspect is a 15-year-old living in Germany.

Read more here: https://krebsonsecurity.com/2026/03/feds-disrupt-iot-botnets-behind-huge-ddos-attacks/

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Signal generators are useful for testing and evaluating electronic components and devices. If you do a lot of that kind of work, you’ll probably want to go buy a decent signal generator. But you can easily spend hundreds or even thousands of dollars on one. If, however, you’re on a budget or need to generate a signal right now, you can check out RonFrtek’s Instructables tutorial to use your Arduino UNO R4’s DAC as a signal generator.

This will work with both the Arduino UNO R4 WiFi and Arduino UNO R4 Minima, because it relies on the DAC (digital-to-analog converter) built into the Renesas RA4M1 microcontroller. Most pins on development boards are digital-only, which means they can only read and write either HIGH or LOW — nothing in-between. But the UNO R4 models also have pins (A1 through A5) for analog input via ADCs (analog-to-digital converters) and analog output via the DAC on pin A0. 

That DAC has 12-bit resolution, which means it can create 4096 “steps” between 0V and 3.3V. Each step is therefore approximately 0.0008V, so the generated analog waveform is smooth. That’s important for producing something like a nice sine wave, as you can do by following this tutorial.

The only hardware you need other than the Arduino UNO R4 is a rotary encoder, a breadboard, and some jumper wires. You’ll probably also want an oscilloscope to see the results. 

Rather than the Arduino IDE, this project illustrates how to do the programming through Visuino visual programming tool. Most of that programming is to the setup the control interface, which lets you use the rotary encoder to select a waveform (sine, square, or triangle) and its frequency. As a bonus if you use an Arduino UNO R4 WiFi board, you can display the selected waveform on the onboard LED matrix.

Then simply flash your code and you’re ready to generate signals.

The post Use an Arduino UNO R4’s DAC as a signal generator appeared first on Arduino Blog.

Read more here: https://blog.arduino.cc/2026/03/19/use-an-arduino-uno-r4s-dac-as-a-signal-generator/

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