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Velxio: Open-Source, Self-Hosted Simulator for Arduino, Raspberry Pi, and ESP32

Velxio is an open-source, self-hosted simulator for Arduino, ESP32, and Raspberry Pi boards that works directly in your web browser. You can drag-and-drop boards, connect components and modules, write and run code in Arduino or Python, and access the serial console, all without hardware. If it looks similar to what the Wokwi simulator has to offer, it’s because Velxio was inspired by it and even integrates the AVR8 CPU emulator, RP2040 emulator, and QEMU fork for ESP32 Xtensa emulation from the Wokwi project. But the key difference is that Velxio can be self-hosted, although there’s also an online demo. Velxio currently supports 19 targets across five architectures AVR8 (ATmega / ATtiny) Arm Cortex-M0+ (Raspberry Pi RP2040) RISC-V RV32IMC/EC (ESP32-C3 / CH32V003) Xtensa LX6/LX7 (ESP32 / ESP32-S3 via QEMU) Arm Cortex-A53 (Raspberry Pi 3 Linux via QEMU) The project also offers 48 components. The developer mentions that additional features compared to […]
The post Velxio is an open-source, self-hosted Arduino, Raspberry Pi, and ESP32 simulator appeared first on CNX Software – Embedded Systems News.
Wordle Today: Answer and Hints for April 4, 2026
Here’s the answer for “Wordle” #1750 on April 4 as well as a few hints, tips, and clues to help you solve it yourself.
NYT Strands Clues and Solutions for April 4, 2026
The NYT Strands hints and answers you need to make the most of your puzzling experience.
Today’s NYT Connections Hints: Clues and Answers for April 4, 2026
Connections is a New York Times word game that’s all about finding the “common threads between words.” How to solve the puzzle.
Lucid Attributes Q1 Sales Decline to Seat Supplier Issue
Lucid said it has resolved the problem and is not changing its guidance for 2026.
Anthropic Thrives in Private Markets; SpaceX May Disrupt Momentum
Glen Anderson, president of Rainmaker Securities, says the secondary market for private shares has never been more active â with Anthropic the hottest trade around, OpenAI losing ground, and SpaceX’s looming IPO poised to reshape the landscape for everyone.
Four Inexpensive but Premium Wireless Speakers Offered on Amazon
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Anthropic Limits OpenClaw Access on Claude with Additional Fees
Using OpenClaw with Claude AI is about to get a lot more expensive, thanks to Anthropic’s new policy changes. Beginning April 4th at 3PM ET, users will “no longer be able to use your Claude subscription limits for third-party harnesses including OpenClaw,” according to an email sent to users on Friday evening. Instead, if users […]
Five 3D Printing Ventures to Improve Your Garage
Owning a 3D printer, along with a steady supply of filament, opens up remarkable possibilities for crafting a variety of everyday tools and aids for nearly every space in your home or workplace. If you like to engage in automotive tasks in your garage, while a 3D printer may not print replacement car parts, it can definitely produce an array of simple instruments and storage solutions to keep your garage organized and enhance your tinkering activities.
With a 3D printer and appropriate designs, you can produce all sorts of gadgets to upgrade your tool arsenal, from compact drivers for tight engine spaces to portable cord organizers for your power equipment and extension cables. As long as you opt for durable materials that can withstand some physical stress, your 3D-printed items can coexist happily with your brand-name garage tools. Part of the excitement of having a 3D printer is inventing your own unique designs; however, if you need inspiration, you can discover intriguing designs on platforms like Printables.
**Pegboard pockets, bins, and tool holders**
Many of us like to believe our garage workshops are in a state of “organized chaos,” with hand tools scattered around in a purported “system.” Instead of relying on memory to locate items — which often yields mixed results — it would be more logical to have all your tools logically stored and clearly sorted. You can effortlessly create dedicated, customized areas for your work materials by 3D printing pockets, bins, and tool holders for a pegboard.
Printables user Archipel has crafted a system of pegboard-mounted holders compatible with standard pegboards, perfect for storing small hand tools, design pens and markers, tire pressure gauges, and more. This design encompasses various mounts and holders, such as small pockets for drill bits and pencils, shelves for screwdrivers and wrenches, and brackets for socket wrenches. The rear hooks connect seamlessly to most pegboards and slat boards, making them an excellent addition to any current garage or workshop tool board arrangement.
**Trim removal pry tools**
Working on a vehicle isn’t solely about employing powerful tools and getting to work. Cars have numerous intricate details, like plastic and rubber parts, that are often flush against other surfaces for protection or aesthetic purposes. If you need to detach these specific components, you’ll require a certain type of compact prying tool that is sturdy enough to perform the task without damaging your vehicle. With just a single 3D printer file, you can create not just one, but 11 of these tools.
Printables user LevikeOne developed a set of 11 varied trim removal pry tools that are perfect for gently prying out plastic parts on a car, such as door panels. Poor cable organization can be a common blunder when using dash cams, for example, but these tools can easily assist you in routing wires for any electronic component in your car. Thanks to their straightforward shapes, you can easily adjust the size of these tools to suit your specific requirements. You can also modify the tool designs if you require particular angles to address your vehicle’s components. LevikeOne recommends using strong print materials — like ABS, PETG, or nylon — to guarantee that your newly printed tools can securely grip your vehicle’s parts.
**Strong wheel chocks**
When working on a vehicle — particularly when addressing the underside — it is vital to ensure the car remains stable, whether on the ground or elevated. Unintentional rolling could lead to damage to the vehicle, serious injury to yourself, or both. Merely placing the car in park and engaging the emergency brake isn’t adequate; you should also have a reliable set of wheel chocks to position behind your tires while working. Fortunately, you can design inexpensive and effective chocks using just a 3D printer.
Printables user Allpa created their own wheel chock design and named it the “Kylie Xtreme Strong Wheel Chock.” These solid wheel chock blocks are made to securely hold tires ranging from 15 to 19 inches wide, without needing additional supports. The curved, textured surface of the wheel chock grips your tires to prevent them from rolling. Allpa even designed the chocks to feature a rear handle for convenient placement, which can also be utilized to connect multiple chocks together with a rope or another sturdy fastening method. Besides stabilizing vehicles in your garage, these chocks are also useful for keeping trailers and motor homes stationary.
**Compact right-angle bit holder**
One of the frustrating aspects of vehicles is their many extremely tight, narrow spaces, particularly within the engine compartment and behind the dashboard. If you intend to perform any fastening or loosening in these cramped areas, you’re
