A wireless 24GHz mmWave motion tracking system consisting of a standalone radar node that reports detected targets over Wi-Fi to a separate display unit.
Key details:
- Multi-target tracking for up to 3 people within a 7m range
- Live radar-style visualization on an Arduino GIGA Display Shield
- Distance-reactive audio alerts via a passive piezo buzzer
- Battery-powered operation with USB-C recharging and LED level indicators
- Includes 3D-printable enclosure files and full firmware for the XIAO ESP32-S3 and GIGA R1
Key details:
- Multi-target tracking for up to 3 people within a 7m range
- Live radar-style visualization on an Arduino GIGA Display Shield
- Distance-reactive audio alerts via a passive piezo buzzer
- Battery-powered operation with USB-C recharging and LED level indicators
- Includes 3D-printable enclosure files and full firmware for the XIAO ESP32-S3 and GIGA R1
This project is an ESP32-based ADSB tracker that provides a real-time flight radar display similar to FlightRadar24 on a small round TFT screen. It displays aircraft positions, trails, and local airport markers using data from sources like ADSB.lol or OpenSky. The system includes advanced visual features such as auto zoom cycling, decorative day/night sky layers with sun and moon calculations based on solar math, and optional GPS support for localized tracking.
- ESP32 DevKit V1 compatibility with Waveshare 1.28 inch GC9A01 round TFT display
- WiFiManager integration for easy network configuration
- Real-time aircraft trails and deconfliction to reduce visual clutter near airports
- Dynamic zoom cycling from 25 km to 250 km range
- Local solar math for sun position and moon phase rendering
- Optional TinyGPSPlus support for live location coordinates
- ESP32 DevKit V1 compatibility with Waveshare 1.28 inch GC9A01 round TFT display
- WiFiManager integration for easy network configuration
- Real-time aircraft trails and deconfliction to reduce visual clutter near airports
- Dynamic zoom cycling from 25 km to 250 km range
- Local solar math for sun position and moon phase rendering
- Optional TinyGPSPlus support for live location coordinates
Secluso is an open-source DIY home security camera system built around the Raspberry Pi Zero 2 W. It focuses on privacy by using true end-to-end encryption (E2EE) via Messaging Layer Security (MLS), ensuring that even untrusted relays cannot decrypt video feeds. The system features on-device AI for detecting humans, pets, and vehicles. To enhance security, the core software is written in Rust to prevent memory-related bugs and includes post-quantum encryption to protect data against future threats.
- Raspberry Pi Zero 2W based hardware architecture
- End-to-end encryption using MLS (RFC 9420)
- On-device AI for human, pet, and vehicle detection
- Memory-safe software core written in Rust
- Post-quantum encryption support
- Minimal Yocto-based Secluso OS
- Support for self-hosted relays or official beta services
- Raspberry Pi Zero 2W based hardware architecture
- End-to-end encryption using MLS (RFC 9420)
- On-device AI for human, pet, and vehicle detection
- Memory-safe software core written in Rust
- Post-quantum encryption support
- Minimal Yocto-based Secluso OS
- Support for self-hosted relays or official beta services
An overview of ESPConnect, a free self-hosted web utility used to manage and flash ESP32 microcontrollers. The tool provides detailed hardware profiling for various MCU models, allows for advanced partition management, and enables flashing firmware or creating system backups through filesystem access. It also includes essential debugging features like an NVS Inspector and a Serial Monitor.
- Detailed hardware profile generation (MAC address, memory, clock speeds)
- Partition layout modification and flash backup capabilities
- File system support including SPIFFS, LittleFS, and FATFS
- Debugging via UART logs and session history tracking
- Easy deployment on Proxmox using LXC scripts
- Detailed hardware profile generation (MAC address, memory, clock speeds)
- Partition layout modification and flash backup capabilities
- File system support including SPIFFS, LittleFS, and FATFS
- Debugging via UART logs and session history tracking
- Easy deployment on Proxmox using LXC scripts
An exploration of high-performing small language models with under 7 billion parameters that can run locally on consumer hardware like laptops and smartphones. The article explains how advancements in training data quality, model distillation from larger frontier models, and architectural improvements like Mixture-of-Experts have enabled these compact models to compete with much larger versions on reasoning benchmarks. It provides a curated guide of top available models on Hugging Face, detailing their specific strengths, benchmark performance, and providing Python code for implementation.
Key models covered:
- Qwen3.5-4B for multilingual tasks and long context windows
- Microsoft Phi-4-mini-instruct for reasoning-heavy English workloads
- Google Gemma 3 4B IT for coding and mathematics
- Google Gemma 3n E4B for efficient mobile and on-device deployment
- Meta Llama 3.2 3B Instruct for tool calling and community support
- SmolLM3-3B for research transparency and open-source projects
- DeepSeek-R1-Distill-Qwen-1.5B for lightweight reasoning on edge devices
- Qwen3-0.6B for ultra-constrained hardware and text classification
Key models covered:
- Qwen3.5-4B for multilingual tasks and long context windows
- Microsoft Phi-4-mini-instruct for reasoning-heavy English workloads
- Google Gemma 3 4B IT for coding and mathematics
- Google Gemma 3n E4B for efficient mobile and on-device deployment
- Meta Llama 3.2 3B Instruct for tool calling and community support
- SmolLM3-3B for research transparency and open-source projects
- DeepSeek-R1-Distill-Qwen-1.5B for lightweight reasoning on edge devices
- Qwen3-0.6B for ultra-constrained hardware and text classification
Clawdmeter is a custom-built desk dashboard powered by the ESP32-S3 that provides real-time monitoring of Claude Code token usage. Utilizing a 2.16-inch AMOLED screen and Bluetooth LE connectivity, the device displays animated pixel art that reacts to usage rates and acts as a HID keyboard for quick command shortcuts via BLE.
This advisory details a significant tactical shift by China-nexus cyber actors toward using large-scale networks of compromised devices, known as covert networks or botnets, to route malicious activity. These networks primarily consist of vulnerable Small Office Home Office (SOHO) routers and Internet of Things (IoT) devices, allowing threat actors to disguise their origins and conduct reconnaissance, malware delivery, and data exfiltration with high deniability.
Key points include:
- The transition from individually procured infrastructure to externally provisioned botnets managed by Chinese information security companies.
- Use of compromised edge devices like Cisco and NetGear routers that are often end-of-life or unpatched.
- Challenges for defenders due to indicator of compromise (IOC) extinction, making static IP block lists less effective.
- Recommended defensive strategies ranging from basic asset mapping and multi-factor authentication to advanced zero trust policies and active threat hunting.
Key points include:
- The transition from individually procured infrastructure to externally provisioned botnets managed by Chinese information security companies.
- Use of compromised edge devices like Cisco and NetGear routers that are often end-of-life or unpatched.
- Challenges for defenders due to indicator of compromise (IOC) extinction, making static IP block lists less effective.
- Recommended defensive strategies ranging from basic asset mapping and multi-factor authentication to advanced zero trust policies and active threat hunting.
The Orange Pi Zero 3W is a new compact single-board computer measuring 65 x 32 mm. It features the Allwinner A733 octa-core processor, combining Cortex-A76 and Cortex-A55 cores with an integrated NPU for AI workloads and a RISC-V coprocessor for real-time tasks. The board supports up to 16GB of LPDDR5 memory and offers versatile display options including Mini HDMI, MIPI-DSI, and DisplayPort via USB-C.
* Allwinner A733 SoC with octa-core CPU and 3 TOPS NPU
* Up to 16GB LPDDR5 RAM support
* Connectivity includes Wi-Fi 6, Bluetooth 5.4, and PCIe 3.0
* Multiple display outputs supporting up to 4K resolution
* Support for Android, Debian, Ubuntu, and OpenHarmony
* Allwinner A733 SoC with octa-core CPU and 3 TOPS NPU
* Up to 16GB LPDDR5 RAM support
* Connectivity includes Wi-Fi 6, Bluetooth 5.4, and PCIe 3.0
* Multiple display outputs supporting up to 4K resolution
* Support for Android, Debian, Ubuntu, and OpenHarmony
A clean-room, header-only C/C++ implementation of the Meshtastic LoRa mesh protocol designed for embedded systems. This standalone library allows devices to interoperate with the Meshtastic network without requiring heavy dependencies like Arduino, RadioLib, or FreeRTOS. It handles everything from raw LoRa byte processing to decoded messages including text, position, and telemetry data.
Key features include:
- Packet parsing and AES-256-CTR encryption/decryption
- PKI direct messages using x25519 key exchange
- Channel management and PSK expansion
- Protobuf decoding for various message types without Nanopb dependency
- Radio configuration including regional settings and modem presets
- CSMA/CA implementation for MAC protocol compliance
Key features include:
- Packet parsing and AES-256-CTR encryption/decryption
- PKI direct messages using x25519 key exchange
- Channel management and PSK expansion
- Protobuf decoding for various message types without Nanopb dependency
- Radio configuration including regional settings and modem presets
- CSMA/CA implementation for MAC protocol compliance
The Orange Pi Zero 2W is a compact and powerful single-board computer designed for efficiency and versatility in IoT, smart home, and media applications. Powered by the Allwinner H618 quad-core Cortex-A53 processor, it offers high performance with low power consumption and supports various memory configurations to suit different project needs.
Key features include:
- Quad-core Cortex-A53 processor up to 1.5GHz with Mali G31 MP2 graphics.
- LPDDR4 memory options of 1GB, 1.5GB, 2GB, or 4GB.
- Integrated Wi-Fi 5 and Bluetooth 5.0 for seamless connectivity.
- Compact PCB size of 30mm x 65mm.
- Extensive expansion capabilities via a 24-pin connector and a 40-pin GPIO port.
- Support for multiple operating systems including Android 12 TV, Debian, Ubuntu, and Orange Pi OS (Arch).
Key features include:
- Quad-core Cortex-A53 processor up to 1.5GHz with Mali G31 MP2 graphics.
- LPDDR4 memory options of 1GB, 1.5GB, 2GB, or 4GB.
- Integrated Wi-Fi 5 and Bluetooth 5.0 for seamless connectivity.
- Compact PCB size of 30mm x 65mm.
- Extensive expansion capabilities via a 24-pin connector and a 40-pin GPIO port.
- Support for multiple operating systems including Android 12 TV, Debian, Ubuntu, and Orange Pi OS (Arch).
