Bjorn is a lightweight, portable Python‑based network security self‑assessment tool that runs on a $15 Raspberry Pi Zero 2W, automatically scans for open ports, exposed web interfaces, vulnerable services, and device fingerprints, and generates a single‑file HTML report for home or red‑team use.
A developer built a Raspberry Pi‑based device that uses machine‑learning audio classification to detect Reggaeton music and then transmits disruptive Bluetooth packets, forcing the offending speaker to shut down, with full hardware schematics, software setup, and code examples provided.
Deploying large AI models to tiny embedded devices like Arduino and Raspberry Pi requires aggressive model slimming through quantization, pruning, and distillation, careful selection of runtimes such as TensorFlow Lite, and addressing power, latency, and debugging challenges to achieve real‑time inference.
Project N.O.M.A.D. is an open‑source, Docker‑based platform that converts a Raspberry Pi, old laptop or server into a self‑contained offline hub offering AI chat, Wikipedia, educational courses, maps and utility tools, enabling users in remote, disaster‑struck or privacy‑focused environments to access essential digital resources without any network connection.
This guide walks you through the entire process of setting up a Raspberry Pi Zero W—from understanding the hardware and its specifications, flashing Raspbian Stretch Lite, configuring SSH and Wi‑Fi, optimizing the system, installing Nginx, to exposing the server publicly via ngrok—providing all commands, configuration files, and troubleshooting tips.
This guide explains what a Raspberry Pi Zero W is, lists its hardware specs, walks through downloading and flashing Raspbian Lite, enabling head‑less SSH and Wi‑Fi, configuring apt sources, installing and testing nginx, and exposing the server to the internet via an ngrok tunnel.
This article walks through the entire process of selecting a low‑cost Raspberry Pi Zero W, flashing Raspbian Stretch Lite, configuring SSH and Wi‑Fi, optimizing the OS, installing Nginx, and exposing the server to the internet with ngrok, complete with concrete commands, configuration files, and screenshots.
This guide explains how to set up a Raspberry Pi Zero W as a miniature Linux server, flash Raspbian Stretch Lite onto an SD card, enable headless SSH access, configure Wi‑Fi, install and run Nginx, and expose the service to the public internet using Ngrok, while also covering useful system optimizations.
This guide explains how to replace common cloud services—such as storage, document editing, video streaming, ad blocking, and password management—with open‑source, self‑hosted alternatives that run on Docker or a Raspberry Pi, offering full data control, no ads, unlimited bandwidth, and low‑cost deployment.
This step‑by‑step guide shows how to choose a Raspberry Pi Zero W, flash Raspbian Stretch Lite onto a micro‑SD card, enable headless SSH, configure Wi‑Fi, install and run Nginx, and expose the server to the internet using Ngrok, all while keeping the device compact and efficient.
This step‑by‑step guide shows how to set up a Raspberry Pi Zero W, flash Raspbian Stretch Lite, configure Wi‑Fi and SSH, optimize the system with local mirrors, install Nginx, and expose the server to the internet using ngrok, turning a credit‑card‑sized board into a functional web host.
This step‑by‑step guide shows how to choose a Raspberry Pi Zero W, flash Raspbian Stretch Lite onto a micro‑SD card, enable headless SSH, configure Wi‑Fi, replace apt sources, install and start nginx, and expose the site to the internet using ngrok, while noting performance and troubleshooting tips.
This tutorial walks you through understanding what a Raspberry Pi Zero W is, preparing the hardware, flashing Raspbian Lite, enabling SSH and Wi‑Fi, installing Nginx, and exposing the server to the internet with ngrok, all with detailed commands and screenshots.
Computer scientist Zara Dar left her PhD to run a lucrative OnlyFans business and created a Python‑based Raspberry Pi notification robot that alerts her to new subscribers with a moving 3D‑printed penguin and sound playback.
This guide walks you through understanding what a Raspberry Pi Zero W is, preparing the hardware, flashing Raspbian Stretch Lite, configuring SSH and Wi‑Fi, installing Nginx, enabling remote access via Ngrok, and optimizing the system for lightweight web hosting.
This article describes how to create a cheap AI image‑classification system that trains a TensorFlow model on a desktop, converts it to TFLite, and runs it on Android phones and Raspberry Pi devices, detailing data preparation, training, deployment, and hardware considerations.
This guide explains how to use QEMU on an x86 host to pull an ARM base image, create a Dockerfile with QEMU support, build the ARM-compatible Docker image, and test it, including a practical example of packaging a simple Python app for Raspberry Pi.
This tutorial walks you through installing Ollama on a Raspberry Pi, exploring TinyLlama, Phi, and LLaVA models, and demonstrates how to run and interact with these LLMs locally, including hardware requirements and practical command examples.
This guide walks you through understanding what a Raspberry Pi is, the specifications of the Zero W model, preparing the SD card, flashing Raspbian, configuring SSH and Wi‑Fi, optimizing the system, installing Nginx, and exposing the device to the Internet with ngrok.
Microsoft has donated the Azure RTOS (formerly ThreadX) to the Eclipse Foundation as open‑source software, expanding access for Raspberry Pi and countless embedded devices while promising broader community collaboration and continued certification support.
The latest Raspberry Pi OS, built on Debian 12 “Bookworm”, introduces Wayland as the default display server, replaces PulseAudio with PipeWire, adds a new NetworkManager plugin for better performance, and ships a Raspberry Pi‑optimized Firefox with hardware video decoding and Widevine support.
This article walks you through understanding what a Raspberry Pi Zero W is, preparing the hardware, flashing Raspbian Lite, configuring SSH and Wi‑Fi, optimizing the system, installing nginx, and exposing the device to the internet using tools like ngrok.
This guide explains how to enable SSH on a Raspberry Pi, find its IP address, connect from Windows, macOS or Linux, and use the cpolar tunneling service to expose the Pi to the public internet for remote access from any location.
This guide shows how to enable SSH on a Raspberry Pi, find its IP address, connect via SSH from Windows, macOS or Linux, and then expose the Pi to the public internet using the cpolar tunneling service for remote access from any location.
This article explains how to connect and program temperature‑humidity, light, and infrared sensors in PHP‑based IoT projects, covering serial communication setup, Raspberry Pi GPIO handling, data parsing, and sample code for each sensor type.
This step‑by‑step guide explains what a Raspberry Pi Zero W is, how to flash Raspbian onto a micro‑SD card, configure Wi‑Fi and SSH, optimize the system, install Nginx, and expose the device to the internet using ngrok, all with clear images and code snippets.
Learn how to create a smart workstation that continuously tracks temperature, humidity and occupancy using Raspberry Pi, DHT and ultrasonic sensors, logs data to Alibaba Cloud SLS, visualizes it, and explores IoT fundamentals, hardware components, and Node‑based front‑end integration.
Raspberry Pi is a compact, low‑cost micro‑computer ideal for learning programming and IoT, and this guide explains its basics, how to program it with Python—including a LED‑blinking example using RPi.GPIO—and outlines the step‑by‑step installation process on an SD card.
This guide explains how to turn a low‑cost Raspberry Pi into a Wi‑Fi hotspot, DHCP/DNS server, and offline PyPI mirror using minirepo, pypiserver, and nginx, enabling client devices to install Python packages without Internet access.
This guide walks you through understanding what a Raspberry Pi Zero W is, preparing the SD card, flashing Raspbian Stretch Lite, configuring SSH and Wi‑Fi, optimizing the system, installing Nginx, and exposing the device to the internet with ngrok, all with step‑by‑step instructions and code snippets.
This article provides a step‑by‑step tutorial on understanding Raspberry Pi Zero W, preparing the hardware, flashing the Raspbian image, configuring SSH and Wi‑Fi, installing nginx, enabling remote access via ngrok, and optimizing the system for lightweight web hosting.
Learn how to turn a Raspberry Pi 4B into a continuously running WeChat robot using Python and the itchat library, covering automatic replies, AI‑powered chat via an online API, scheduled weather broadcasts, camera photo capture, and video calls with linphone, complete with full source code.
This guide walks through creating a home temperature‑humidity monitoring system with a Raspberry Pi and DHT11 sensor, collecting data via JavaScript, sending it to Alibaba Cloud SLS, processing it through DataWorks and MaxCompute, and visualizing the results in QuickBI dashboards.
This article explains how to convert a TensorFlow image‑classification model to TensorFlow Lite, apply different quantization techniques, benchmark the resulting models on a Raspberry Pi 4, and compare latency, size, and accuracy to demonstrate the trade‑offs of edge AI deployment.
This guide shows how to connect an Epson TM‑T88IV thermal receipt printer to a Raspberry Pi Zero W, install a PHP ESC/POS library, configure udev rules, set up a GitHub webhook via ngrok, and automatically print issue details as receipts.
The article covers DJI’s denial of aiding Russia, the latest features in GitLab 14.9, the official launch of React 18 with its new concurrent capabilities, and a developer’s creative project that prints GitHub issues using a Raspberry Pi‑connected receipt printer.
This step‑by‑step guide shows how to set up a Raspberry Pi Zero W with Raspbian Lite, enable headless SSH, configure Wi‑Fi, install Nginx, and expose the server to the public internet using Ngrok, turning a credit‑card‑sized board into a functional web host.
A comprehensive Phoronix benchmark on a Raspberry Pi 400 reveals that the new 64‑bit Raspberry Pi OS consistently outperforms its 32‑bit counterpart, delivering performance gains ranging from modest single‑digit improvements to massive jumps of over 1300% depending on the workload.
This guide walks you through selecting a low‑cost Raspberry Pi Zero W, flashing Raspbian Lite, enabling SSH and Wi‑Fi via boot‑partition files, configuring the system, installing Nginx, and exposing the site to the internet using ngrok, providing a compact, fully functional web‑hosting platform.
After a Raspberry Pi’s SSH service was overwhelmed by brute‑force login attempts, the author explains how to examine auth.log, identify malicious IPs, and protect the device by configuring /etc/hosts.allow / hosts.deny and setting up UFW whitelist rules to allow only trusted addresses.
Developers have managed to boot Windows 11 on Android smartphones, Raspberry Pi 4, and even a legacy Lumia device, revealing both the technical breakthroughs and the remaining limitations such as missing phone functions and reliance on custom UEFI ports.
This article explains how a Raspberry Pi exposed to the Internet was repeatedly attacked via SSH, how the author identified the brute‑force attempts in /var/log/auth.log, and step‑by‑step methods using hosts.allow/deny and ufw to whitelist trusted IPs and block malicious traffic.
This tutorial walks through the basics of Raspberry Pi Zero W hardware, prepares a micro‑SD card with Raspbian Lite, enables SSH and Wi‑Fi on first boot, updates the system sources, installs and configures nginx, and finally exposes the web service to the Internet using ngrok for seamless remote access.
This article introduces the Raspberry Pi Zero W hardware, explains how to download and flash a Raspbian Lite image onto a micro‑SD card, configures SSH and Wi‑Fi, optimizes the system, installs nginx, and demonstrates basic network‑exposure techniques such as ngrok for remote access.
This guide walks you through the entire process of preparing a Raspberry Pi Zero W, flashing a Raspbian Lite image, configuring Wi‑Fi and SSH, installing Nginx, optimizing the system, and exposing the web server to the internet using tunneling services.
This step‑by‑step guide explains what a Raspberry Pi Zero W is, how to prepare the hardware, flash Raspbian Stretch Lite onto a micro‑SD card, enable SSH and Wi‑Fi, optimise the system, install Nginx, and expose the tiny web server to the Internet using tunnelling tools.
This article explains how hobbyists can leverage time‑series databases, Raspberry Pi, MQTT and Slack alerts to continuously monitor and control temperatures during beer fermentation and barbecue smoking, providing practical setup steps, alert thresholds, and visualization tips for reliable results.
The author argues that replacing your main computer with Linux is impractical, citing poor desktop experience, missing software, and constant troubleshooting, and recommends five more efficient ways to learn Linux, including virtual machines, dual‑boot, cloud servers, WSL, and Raspberry Pi.
Learn how to capture, stream, and visualize real-time IMU sensor data using MQTT and Grafana Live’s streaming API, with step-by-step setup on a Raspberry Pi, configuration of the Grafana MQTT datasource plugin, and visualization via time-series and timeline panels.
The article explains how the Windows 11 preview can be installed on Snapdragon‑based Android phones and Raspberry Pi devices via the community‑driven Renegade Project, detailing the required tools, current device support, encountered limitations, and the broader implications for ARM‑based Windows deployments.
The article reports on community efforts to install the Windows 11 ARM64 preview on Android smartphones and Raspberry Pi devices, describing the Renegade Project, successful deployments on OnePlus 6T and Xiaomi 8, remaining limitations, and the required hardware and firmware modifications.
This article details a step‑by‑step, low‑budget solution for creating an office HiFi system using a Raspberry Pi, HiFiBerry amp, Audioengine speakers, and the open‑source Volumio platform, covering hardware choices, software setup, and alternative playback options.
This guide shows how to turn a Raspberry Pi into an automated baby monitor that records audio, trains a TensorFlow sound‑detection model, generates labeled datasets, runs real‑time inference, and sends push notifications via Platypush, while also integrating a camera and audio streaming.
This guide walks you through constructing a 28‑core Raspberry Pi 3B cluster named Kraken, upgrading it with USB gigabit adapters, configuring Docker Swarm and Kubernetes, and measuring performance improvements for self‑hosting a WordPress site.
This tutorial walks you through understanding what a Raspberry Pi Zero W is, preparing the required hardware and software, flashing the Raspbian image, enabling SSH and Wi‑Fi, installing Nginx, and exposing the device to the internet using Ngrok, all with detailed step‑by‑step instructions and code snippets.
The guide shows how to assemble a low‑latency real‑time video transmission system by connecting a VisionSeed AI camera to a Raspberry Pi 4B, using FFmpeg for OpenMAX‑accelerated H.264 encoding, streaming via an SRS RTMP server over a custom Wi‑Fi hotspot, and tuning playback with FFplay.
This guide walks you through selecting a low‑cost Raspberry Pi Zero W, flashing Raspbian Stretch Lite, configuring SSH and Wi‑Fi, optimizing the system, installing Nginx, and exposing the web service to the internet using ngrok, providing a compact, fully functional mini web server.
Jeff Geerling swapped his MacBook Pro for an 8 GB Raspberry Pi 4 for an entire workday, detailing the hardware setup, display tweaks, app replacements, audio/video recording challenges, and performance limits, then concluded whether the Pi can serve as a viable general‑purpose workstation.
The article details how a low‑cost, compact face‑recognition lock for an escape‑room game was built using a Raspberry Pi, camera, ultrasonic sensor, relay‑controlled electromagnetic lock, and Tencent Cloud’s Face Recognition API, with about 200 lines of Python code handling parallel sensor monitoring, video streaming, watermark overlay, and cloud authentication.
This guide explains what Dillo lightweight browser is, its limitations, and provides step‑by‑step instructions for installing it on Debian‑based systems, adding Chinese fonts, and editing its configuration so the browser can correctly display Chinese characters on devices like the Raspberry Pi.
This step‑by‑step guide shows how to install and configure Lighttpd on a Raspberry Pi, replace Apache, enable PHP‑FPM, adjust FastCGI settings, and verify the web server works with both static HTML and PHP pages.
This article presents a step‑by‑step guide to designing and building a Gongfu tea‑making robot, covering embedded development basics, hardware modularization, controller design, platform comparisons, power supply considerations, and complete Python code for servo control and action sequencing.
This guide walks you through creating a Raspberry Pi‑based alarm clock that fetches weather data, converts it to speech using Baidu AI, plays audio with pygame, and triggers automatically via a Linux cron job, covering hardware requirements, Python code, and scheduling steps.
This tutorial shows how to repurpose a 1 TB 2.5‑inch hard drive as a network‑attached storage device using a Raspberry Pi, covering hardware preparation, router MAC binding, Samba configuration, automatic NTFS mounting, and client access from Linux, Android, and Windows.
This guide curates seven high‑quality resources—including two beginner‑to‑advanced books, an online course, and four community sites—to help anyone systematically learn Raspberry Pi hardware, Python programming, and project development.
The article reviews twelve leading IoT platforms—such as Temboo, Ubidots, Cayenne, ThingSpeak, TheThings.io, Xively, Kaa, Google Cloud IoT, Azure IoT, IBM Watson IoT, Artik Cloud, and AWS IoT—highlighting their key services for data ingestion, device management, security, analytics, and integration to help developers build scalable, secure IoT projects.
This article walks readers through the complete process of preparing a Raspberry Pi, installing Raspbian, configuring system settings, and deploying a Node.js web development stack with Nginx, providing a practical foundation for IoT and backend projects.
This guide walks you through creating a Raspberry Pi‑based Python tool that automatically detects inserted USB drives, logs their file names and paths to a text file, and sends the information to a designated WeChat account, while explaining the required hardware, Linux setup, and code details.
This article details Meituan Security's Black Hat 2018 presentation on a fully automated, Raspberry‑Pi‑based iOS malware hunting pipeline that crawls App Store apps, cracks DRM, runs dynamic sandbox analysis with Frida, and uses a Nools decision engine to detect advanced threats at scale.
This article introduces Raspberry Pi as an affordable Linux computer, outlines its versatile uses, and provides a detailed learning roadmap—from selecting a suitable Linux distribution and mastering command‑line basics to advanced topics like kernel compilation, scripting, and building high‑availability clusters—helping beginners progress methodically.
This tutorial shows how to configure a Raspberry Pi to automatically detect inserted USB drives, use a Python script to record file names and paths into a text file, and optionally send the data via WeChat, while also explaining code structure and possible extensions.
This article explains the principles of Pulse Width Modulation (PWM), outlines the steps to open, configure, enable, and close a PWM connection on Android Things, and demonstrates a complete Raspberry Pi hardware example with Java code to control a servo motor.
This article introduces the GPIO interface, explains how to configure pins for input or output, details the step‑by‑step process of opening connections, reading and monitoring inputs, writing outputs, and closing the connection, and provides a complete Raspberry Pi hardware demo with code and results.
This tutorial explains what Android Things is, guides you through preparing a Raspberry Pi 3, flashing the Android Things image, wiring an LED circuit, and running a sample Blink application that uses a SeekBar to control GPIO‑driven LED blinking.
This article reviews Windows IoT, its lightweight Windows‑10‑based kernel, hardware requirements, supported development boards, developer resources, key features, and the platform’s strengths and weaknesses for IoT applications.
This guide walks through assembling a compact, USB‑3.0‑enabled BladeRF SDR, installing Raspbian on a Raspberry Pi, setting up Yate and YateBTS, configuring GSM parameters, and testing the resulting portable base station for network interception and research purposes.
