Arduino STM32 ESP32

🇨🇳 Undocumented Backdoor Found in Popular ESP32 Bluetooth Chip, Raising Security Concerns Researchers have discovered an undocumented backdoor in the ESP32 chip, used in over a billion devices worldwide. This vulnerability could allow attackers to access data, spoof devices, and infiltrate networks. Spanish security experts found 29 hidden commands in the chip’s Bluetooth firmware. These commands enable memory manipulation, MAC address spoofing, and advanced Bluetooth attacks. Hackers could po...

🎙 Using ESP32 Antenna Array to See Wi-Fi Signals This project uses an 🇨🇳 ESP32 antenna array to visualize Wi-Fi signals in real time. It overlays detected signals onto a camera feed, turning invisible radio waves into a visible representation. By analyzing reflections and signal strength, it reveals how RF signals propagate through different environments. Features of the project: ➡️Displays real-time Wi-Fi signals as glowing patterns. ➡️Identifies direct and reflected signal paths. ➡️Uses foc...

⌚️ T1D Smartwatch: Open-Source Device For Continuous Glucose Monitoring Building a smartwatch for Type 1 Diabetes (T1D) management from scratch involves integrating complex electronics and software to meet specific needs, such as real-time Continuous Glucose Monitoring (CGM) and haptic feedback alerts. This project aims for simplicity in design without compromising functionality, tailored to withstand outdoor activities and deliver critical health data discreetly. Features of the device: ➡️Desig...

🗺 Laser Vector Scope: A Retro-Inspired Tech Adventure This project recreates the charm of vintage CRT TVs by designing a mini vector scope that uses a laser to project vector graphics onto a UV-sensitive screen. With 3D-printed components, stepper motors, and an ♾ Arduino-running microcontroller, it offers an accessible yet technical foray into retro-inspired electronics. Key features of the project: ➡️Utilizes a violet laser to draw on a UV-reactive screen, mimicking CRT phosphorescence. ➡️Ste...

🧑‍💻 Bluetooth with MATLAB for Wireless Communication This guide explains how to establish wireless communication between 👨‍🏫 MATLAB and an ♾ Arduino using Bluetooth, with the HC-05 module as the bridge. It covers two methods: using MATLAB's command window and creating a graphical user interface (GUI) for controlling devices like LEDs. Features of the project: ➡️Setup and communication using MATLAB's built-in Bluetooth functionality. ➡️Command-line method to send data and control an Arduino f...

🤖 Micro Wheel-Leg Balance Robot This project introduces a compact, self-balancing two-wheeled robot capable of agile movement, including jumping and navigating small obstacles. It features a custom control system, wireless interface, and precision motion components, offering a hands-on way to explore modern robotics concepts. Features of the robot: ➡️3D-printed, CNC-machined, and plate-cut mechanical parts ➡️ESP32-based mainboard with Wi-Fi interface (WebSocket + JSON) ➡️Brushless wheel motors ...

🤖 Turret Upgrade for the 3D Printed Robot Platform A few years ago, we presented a fully 3D printed, tracked robot platform designed as a versatile, remotely controlled base for experimentation and further development. This new project builds directly on that platform, introducing a complex NERF minigun–style turret that significantly expands its mechanical, electronic, and functional capabilities. Key Features of the project: ➡️Modular upgrade for the previously released fully 3D printed track...