Embedded Systems
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News, articles, guides, analytics, projects and startups from the embedded industry.

Topics of the channel:
◽️ machine learning
◽️ internet of things
◽️ embedded software
◽️ advanced electronics
◽️ new engineering ideas

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💻 STM32MP2 Microprocessors: Next-Gen Features Unveiled

STMicroelectronics has unveiled its latest STM32MP2 microprocessors, marking a significant upgrade with 64-bit Arm Cortex-A35 cores, a departure from its previous offerings. These new chips promise enhanced performance and acceleration for edge AI and machine learning tasks, catering to the growing demand for smarter devices at the IoT edge.

Features:
➡️ Cortex-A35 cores running at speeds up to 1.5GHz
➡️ Cortex-M33 microcontroller cores
Dedicated GPUs with 3D acceleration
➡️ Neural processing units (NPUs) capable of up to 1.35 tera-operations per second (TOPS)

Scheduled for volume production in June, these new microprocessors are set to bring advanced features and performance to the market, addressing the evolving needs of edge computing and IoT applications.

⛓ More information...

#news #stm32
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📺 Turning a Raspberry Pi Pico into a GPU!

Ever thought about turning a Raspberry Pi Pico into a graphics card? Well, one enthusiast did just that. With a dash of creativity and a lot of determination, he set out to transform this small board into a DVI graphics card. The goal? To make it compatible with various single-board computers, microcontrollers, and a specific module running Linux.

Taking cues from existing projects, author crafted his own version, aiming for compatibility with popular graphics library commands. It's a testament to the inventive spirit of DIYers and the flexibility of the Raspberry Pi platform, proving that unconventional ideas can lead to remarkable outcomes. More importantly, the whole project is open-source and you can check out the relevant 😹 GitHub page with every step described.

⛓ https://youtu.be/8-RuYM-9s3A

#video #raspberry
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Embedded Systems
📟 ESP32 board with 150Mbps 4G LTE modem also supports RS485, CAN Bus, and relay expansion LILYGO has designed another ESP32 board with a 4G LTE modem delivering up to 150 Mbps download and 50 Mbps upload speeds. The board also supports GPS, includes a 18650…
💻 ESP32: Send Messages to WhatsApp using SIM Card – LILYGO T-SIM7000G

Discover how to send 🌐 WhatsApp messages remotely using an ESP32 microcontroller and a SIM card in this comprehensive guide. With the LILYGO T-SIM7000G ESP32 board as the central component, learn how to establish internet connectivity and seamlessly dispatch messages via the CallMeBot API.

From creating custom notification systems to enhancing accessibility for remote users, the ability to send WhatsApp messages via a microcontroller provides a glimpse into the future of interconnected devices and personalized messaging experiences.

⛓ More information...

#projects #esp32 #IoT
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📺 DIY Gear Indicator for Manual Cars: Arduino Tutorial

Discover how to craft a straightforward gear indicator for manual car transmissions. Utilizing an Arduino UNO and an SSD1306 128x64px IIC OLED screen, along with 4 Hall Sensors, the tutorial demonstrates how to gauge gear position by detecting the magnetic field of a magnet affixed to the shifter handle.

Images, created in Photopea, are converted into C-style arrays via Image2cpp for seamless integration. For simulation purposes on WOKWI, potentiometers substitute Hall sensors. Additionally, viewers will learn how to design a custom PCB for this project in KiCad. Gather some wires and a breadboard if you're keen to replicate the project. Best of luck with your endeavor!

⛓ https://youtu.be/QixtxaAda18

#video #arduino #beginner
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💻 How Microchips Work

This great article offers a condensed overview of microchips' design and production. Starting with the most basic concepts and then delving into the more details, you will learn their inner workings at various levels – from the circuit to the system level.

Explore the complexities of CPU architecture, understand the nuances of logic gates, and grasp the importance of packaging in microchip design. Supplied with detailed illustrations and crafted with quality, this article promises to captivate both enthusiasts and curious minds alike.

⛓ More information...

#articles
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Embedded Systems
🤖 OpenQDD - 3D-printed open-source robotic actuator The author designed this robotic actuator to be a powerful, easy-to-build, and relatively inexpensive solution to creating dynamic robots. Robots like Spot, Atlas, and the MIT mini cheetah easily impress…
👋 TOPS - 3D-Printable Open-Source Quadrupedal Robot

TOPS (Traverser of Planar Surfaces) stands as a remarkable open-source project, showcasing the meticulous fusion of hardware innovation and software expertise in robotics. From custom-made actuators to sophisticated electronics, each aspect of TOPS' development embodies the DIY ethos, culminating in a fully functional and dynamic robot.

Features of the Robot:
➡️ Custom quasi-direct-drive actuators crafted using brushless motors and planetary gear sets
➡️ Silicone-cast feet for enhanced traction
➡️ CAN bus communication for seamless coordination among actuators
➡️ High-torque brushless motors and motor controllers for precise control
➡️ Microcontroller for overall system management and coordination of various components

This project appeals to robotics enthusiasts, DIY makers, and anyone intrigued by the intersection of hardware and software innovation in robotics. Finally, TOPS offers valuable insights and a testament to the boundless possibilities of open-source innovation.

More information:
🔗 The official website
😹 The GitHub repository
📺 The YouTube video
☠️ The Hackaday page

#projects #robots
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🛸 Autonomous powerline recharging revolutionizes drone operations

Researchers at the 🇩🇰 University of Southern Denmark have developed an innovative autonomous drone system capable of uninterrupted long-duration operations near powerlines. Equipped with advanced perception and navigation abilities, the drone autonomously lands on powerlines using a gripping mechanism and recharges its batteries using a split-core current transformer.

Tested in an outdoor powerline environment, the system demonstrated multiple hours of continuous operation, indicating potential for extended endurance. Future work aims to enhance robustness, expand mission complexity, and test in diverse conditions.

⛓ More information...

#news
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🔗 CatSniffer - Open-Source Compact Hacker's Tool

CatSniffer is a cutting-edge, multiprotocol USB stick designed for sniffing, communicating, and potentially attacking IoT devices. Integrating TI CC1352, Semtech SX1262, and either Microchip SAMD21E17 or RP2040, this highly portable device caters to the needs of IoT security researchers, developers, and enthusiasts, offering versatility and ease of use.

Features of the device:
➡️ Supports multiple technologies including LoRa and 2.4 GHz.
➡️ Compatible with various protocols including Thread, Zigbee, BLE, and more.
➡️ Auto-programming and debugging capabilities.
➡️ Antenna SMA port, LEDs, and reset buttons for ease of use.

CatSniffer presents an intriguing tool for those involved in IoT security research. With its versatile capabilities and user-friendly design it is an indispensable tool for anyone engaged in the dynamic field of IoT security research and development.

⛓ More information...

#projects
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😡 Standoff Results in Robot Dog Disabled by Suspect

In 🇺🇸 Massachusetts, during a standoff, a suspect disabled a robot dog deployed by the local state police. The SPOT robot, used to locate the suspect, was knocked over and shot three times, but later the suspect surrendered.

This incident underscores the importance of using robots in tactical situations, potentially avoiding direct human involvement. The damaged robot, Roscoe, was returned to Boston Dynamics for inspection, with plans for a replacement provided to the state police.

⛓ More information...

#news #robots
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🦀 Embedded Rust: where are we today?

The Rust is a perspective programming language that steadily gains its popularity but not in embedded systems. Despite the benefits that the Rust brings (such as memory safety), not many companies are using it yet. Instead, they tend to stick to C or C++, because they've already invested a lot of money on writing firmware in this languages and are hesitant to change.

Startups are more interested in Rust because they don't have any old systems to worry about, but bigger companies are taking their time to see if Rust is worth it. Learning Rust can be tough, and not many companies are offering support for it. However, as the need for safer languages grows, especially with the rise of IoT, Rust might become more popular in the future. Its role in embedded systems remains uncertain for now, but it could change over time.

⛓ More information...

#articles #programming #rust
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🟡 Open-Source High-Resolution POV Display based on ESP32

The project focuses on utilizing the Persistence of Vision (POV) principle to create a high-resolution POV display capable of showing images and animations. It employs an ESP32 module as the main controller, with two rotating arms each containing 64 LEDs, resulting in a total resolution of 128 pixels.

The circuit utilizes components like shift registers, MOSFETs, and hall effect sensors, regulated by an AMS1117 (a popular voltage regulator). The ESP32 handles display synchronization and control, while the PCB design includes provisions for sensor integration.

More information:
🔗 The main article
😹 The GitHub repository
📺 The YouTube video

#projects #esp32
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🤖 ONE: Open-Source Self-Balancing Unicycle Robot

ONE is a self-balancing unicycle robot project based on IMU technology and STM32 microcontrollers. The core of the system is orchestrated by two PWM channels for motor control, two timers dedicated to encoder data retrieval, and several Analog-to-Digital Converter (ADC) channels facilitating the capture of analog gyro and accelerometer data.

Within the repository, you'll discover the firmware source code tailored for STM32 microcontrollers alongside detailed 3D models of the mechanical structure. While the circuit board schematics have is missing, the underlying circuitry remains straightforward and would not be a challenge for a skilled electrical engineer.

⛓ More information...

#projects #robots
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📷 Raspberry Pi Unveils AI Camera Kit at Embedded World 2024

Raspberry Pi unveiled its latest innovation at the Embedded World 2024 conference: the AI Camera kit. Featuring a Raspberry Pi Zero 2 W paired with a 12MP Sony IMX500 sensor, this kit offers a 76-degree field of view for AI-based computer vision projects. Furthermore, the sensor itself incorporates an onboard processing unit for various neural network models, offloading computational tasks from the 1 GHz quad-core Arm Cortex A53 CPU found in the Raspberry Pi Zero 2 W.

Demonstrated capabilities include real-time person tracking at 30 fps, showcasing the kit's impressive performance despite its compact size. With 200mm of flat flex cables included, the kit ensures compatibility with all Raspberry Pi models, making it an accessible option for developers seeking to integrate AI capabilities into their projects.

⛓ More information...

#news #raspberry
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