Kevin Thomas

A FREE comprehensive reverse engineering tutorial covering x86, x64, 32-bit/64-bit ARM, 8-bit AVR and 32-bit RISC-V architectures.

A free, structured curriculum for learning reverse engineering across five CPU architectures, starting from binary numbers and building up to real-world debugging, malware analysis, and embedded systems work.

A FREE Windows C development course where we will learn the Win32API and reverse engineer each step utilizing IDA Free in both an x86 and x64 environment.

A FREE comprehensive online Go hacking tutorial utilizing the x64, ARM64 and ARM32 architectures going step-by-step into the world of reverse engineering Golang from scratch.

A FREE comprehensive online Rust hacking tutorial utilizing the x64, ARM64 and ARM32 architectures going step-by-step into the world of reverse engineering Rust from scratch.

A FREE comprehensive step-by-step embedded hacking course covering Embedded Software Development to Reverse Engineering.

A FREE comprehensive online Python development tutorial FOR KIDS utilizing an official BBC micro:bit Development Board going step-by-step into the world of Python for microcontrollers.

A turbo traffic generator pentesting tool to generate random traffic with random MAC and IP addresses in addition to random sequence numbers to a particular IP and port.

A port scanner and service detection tool that uses 1000 goroutines at once to scan any hosts IP or FQDN with the sole purpose of testing your own network to ensure there are no malicious services running.

Simple FREE guide to set up TOR stealth and persistence with complete anonymity.

A Zeek Network Security Monitor tutorial that will cover the basics of creating a Zeek instance on your network in addition to all of the necessary hardware and setup and finally provide some examples of how you can use the power of Zeek to have absolute control over your network.

A FREE comprehensive step-by-step embedded Assembler tutorial covering the basics including coding your own vector table and linker script from scratch, I/O programming all the way to up to developing and hacking IoT.

A Reverse Engineering Assistant leveraging Retrieval-Augmented Generation (RAG) and the LLaMA-3.1-8B-Instant Large Language Model (LLM). This tool is designed to revolutionize reverse engineering tasks by combining machine learning with retrieval-based systems.

Deepfake Detector is an AI/ML model designed to detect AI-generated or manipulated images.

An open-source Python Selenium Test Automation framework with Docker and Kubernetes integration.

An AI-driven MCP server that autonomously interfaces with Malware Bazaar, delivering real-time threat intel and sample metadata for authorized cybersecurity research workflows.

A step-by-step walkthrough of the inner workings of a simple neural network. The goal is to demystify the calculations behind neural networks by breaking them down into understandable components, including forward propagation, backpropagation, gradient calculations, and parameter updates.

A Personal Assistant leveraging Retrieval-Augmented Generation (RAG) and the LLaMA-3.1-8B-Instant Large Language Model (LLM). This tool is designed to revolutionize PDF document analysis tasks by combining machine learning with retrieval-based systems.

A guide to get you started with Windows Kernel Debugging walking you through the complete setup and usage of WinDbg to trace Windows process creation at the kernel level, from boot to PspCreateProcess, using VMware Workstation.

DC540 hacking challenge 0x00001.

Inspired by Andrej Karpathy’s "Let’s Build GPT", this project guides you step‑by‑step to build a GPT from scratch, demystifying its architecture through clear, hands‑on code.

Google Gemini AI model w/speech recognition and voice.

A FREE comprehensive step-by-step embedded RISC-V hacking tutorial covering RISC-V Embedded Software Development to Reverse Engineering.

A GPT-2-class language model trained from scratch on OpenWebText with the intent to augment AI Transformer-model education and reverse engineer GPT models from scratch.

A FREE course that takes you step-by-step through building a custom Automation Ansible Framework from scratch.

The book and code repo for the FREE Fundamental C++ book by Kevin Thomas.

A series of small ARM 64 bite-size articles to help one better reverse AArch64 ARM 64 Linux binaries.

A comprehensive technical guide with an in-depth analysis of the Windows process lifecycle, from initial user-mode API calls through kernel-mode creation to final user code execution.

A repo that provides the MP-Lib unittest.py to CircuitPython to allow makers to take full advantage of Python's unittest within CircuitPython.

ARM 32-bit Raspberry Pi Hacking Hello World example in Kali Linux.

Automated DevOps is a repo that integrates Red Hat Linux 8, CentOS Stream and Oracle Linux 8 Packer templates for a vSphere & ESXi enterprise environment with Ansible provisioning for the VM instances utilizing GitLab Infrastructure As Code build automation.

DC540 hacking challenge 0x00005b.

DC540 hacking challenge 0x00002 [MicroPython CTF].

KevinSaber is a Oculus Rift and Oculus Quest game that is a BeatSaber clone where you strike the boxes as they fly past you in a fierce frenzy. The pace of this game is fast and if you are looking to get your exercise on, this is your game!

ARM 32-bit Raspberry Pi Hacking Int example in Kali Linux.

ToyOS is a simple x86 OS that only accepts numeric values into the input stream and returns them to a standard out console.

A micro:bit entry-level Reverse Engineering tutorial code repo which was presented at the 2021 micro:bit LIVE event.

DC540 hacking challenge 0x00004 [C CTF].

VRPong is a Oculus Rift and Oculus Quest game that is a classic Pong clone where have two paddles to which your left controller handles the left paddle and the right controller to hanldle the right paddle. Tons of retro fun in this game!

A FREE comprehensive step-by-step 8-bit ATmega328P C and Assembler tutorial covering Embedded Software Development to Reverse Engineering.

Detect fake, AI-generated, and Photoshopped images in seconds.

This is a FUN talking BuildaBot for the official BBC micro:bit V2 where you get to build your VERY OWN TALKING BOT FROM SCRATCH!

A 6502-based Commodore 64 assembly language repo for OSX and Ubuntu. This is a very small and targeted OSX and Ubuntu port based on the original work of Chibi Akumas as the sole purpose of this small repo is to help you port Chibi's work to OSX or Ubuntu and nothing more. For more detailed 6502 tutorials please visit https://www.assemblytutorial.com to get your started.

An STM32F401 EEPROM driver written entirely in Assembler.

DC540 hacking challenge 0x00003 [C CTF].

Get up and running with Llama 2 and other large language models locally with a speech mod.

A comprehensive tutorial covering Python basics, data structures, functions and classes, neural networks from scratch, PyTorch regression, PyTorch classification and GPT's from scratch.

A simple AgenticAI RAG agent showcasing autonomous reasoning and decision-making by integrating thought, logic, and action in real-time tasks.

Master the art of reverse engineering data and discover how to deconstruct, analyze, and rebuild datasets for deeper understanding and actionable insights.

The micro:bit Study Buddy is a micro:bit Electronic Educational Engagement Tool designed to help students learn a new classroom subject with the assistance of a micro:bit TED (Talking Educational Database) and a micro:bit TEQ (Talking Educational Quiz).

A Raspberry Pi Pico RP2040 debug template repo with step-by-step instructions on how to freeze your MicroPython files into C firmware and reverse engineer the binary with OpenOCD and GDB.

A FREE Selenium course that takes you step-by-step through building a custom Selenium Framework from scratch.

Simple GPT app that uses the falcon-7b-instruct model with a Flask front-end.

SARAN: Shallow Auto-Regressive Attention Network

DC540 hacking challenge 0x00006.

A collection of repos that runs a WebAssembly Component Model runtime (wasmtime + Pulley interpreter) directly on bare-metal w/ HW capabilities exposed through WIT.

This is a FUN talking TextaBot for the official BBC micro:bit V2 where you get to build your VERY OWN TALKING TEXTABOT FROM SCRATCH!

Serial Interactive Meshtastic Chat Client which chats on the Primary Channel over serial.

An RP2350 UART driver written entirely in ARM Assembler.

ARM 32-bit Raspberry Pi Hacking Float example in Kali Linux.

ARM 32-bit Raspberry Pi Hacking Char example in Kali Linux.

Local MCP Client is a cross-platform web and API interface for interacting with configurable MCP servers using natural language, powered by Ollama and any local LLM of choice, enabling structured tool execution and dynamic agent behavior.

A simple embedded Rust project running on the Raspberry Pi Pico (RP2040), built with Embassy async framework and no_std runtime.

Automatrix is a deterministic, infinitely scalable automation framework that fuses Terraform and Ansible to provision, configure, and maintain GCP Free-Tier VMs with absolute precision. Built on immutable infrastructure and idempotent execution, it guarantees every deployment is identical and flawlessly repeatable.

This tutorial will walk through how to build, compose, and run WebAssembly components through a calculator example.

A pure Rust GPT implementation from scratch.

PyTorch Neural Network wrapper to help transition existing projects into the Mojo programming language.

ARM 32-bit Raspberry Pi Hacking Double example in Kali Linux.

ARM 32-bit Raspberry Pi Char Pointer example in Kali Linux.

The micro:bit Talking LED Blink And Breath is a micro:bit Electronic Educational Engagement Tool designed to help students create a talking sound application.

DC540 hacking challenge 0x00007 [UNKNOWN CTF].

Serial Interactive LLM Meshtastic Chat Client which chats on the Primary Channel over serial.

An STM32F401 SSD1306 display driver written entirely in Assembler.

A simple AgenticAI agent showcasing autonomous reasoning and decision-making by integrating thought, logic, and action in real-time tasks.

An interactive, state-of-the-art Retrieval-Augmented Generation Medical Assistant that leverages deep learning and FAISS-based retrieval to provide accurate, context-aware answers to medical queries in real time.

A pure Embedded Rust blinky project that runs a WebAssembly Component Model runtime (wasmtime + Pulley interpreter) directly on the RP2350 bare-metal w/ HW capabilities exposed through WIT.

DC540 hacking challenge 0x00005a.

Async robot firmware for Waveshare Pico2Go (RP2350-Plus) in Embedded Rust with Embassy; leverages RP2350 for reliable motor control plus integrated IR remote support and robust capabilities.

A minimalistic GPIO command and function library to work with the Raspberry Pi 5.

A fun augmented reality game where you get to shoot down two different kinds of bicopters that exist within your space!

A salary calculator that will take your annual salary as an input and calculate your monthly, bi-weekly or weekly salary.

A Raspberry Pi Pico WS2812 NeoPixel driver written entirely in C.

BLE Interactive Meshtastic Chat Client which chats on the Primary Channel.

IoT Pico W TLS Server that obtains the Pico W temperature and serves it to a TLS client where this project is designed for a MAC M series client and is based on the Raspberry Pi Foundation’s pico_examples TLS client example.

DC540 hacking challenge 0x00008 [UNKNOWN CTF].

A simple embedded Rust project running on the microbit v2, built with Embassy async framework and no_std runtime.

Fake News Exploratory Data Analysis & Machine Learning Binary Classification Model

Fusion Oncology fuses XGBoost drug-sensitivity models with DNABERT-2 genomic embeddings, then routes predictions through digital twin simulation, PK/PD pharmacokinetics, GNN scoring, and Bayesian uncertainty to produce confidence-scored companion diagnostic reports.

A Rust project that runs WebAssembly Component Model guest components (Wasmtime + Pulley interpreter) with WASI support and HW capabilities exposed through WIT.

Core dump Reverse Engineering w/ LLDB on MAC and Linux.

MicroGPT is a clean, educational implementation of the GPT (Generative Pre-trained Transformer) architecture built from first principles with detailed explanations and comprehensive testing.

HackingGPT part 1 where we learn the foundations to create a custom GPT from absolute scratch.

HackingGPT part 7 where we learn the foundations to create a custom GPT from absolute scratch.

A fun augmented reality game where you get to shoot down two different kinds of unicopters that exist within your space!

x86 controlled input example taking a max of 4 bytes from the terminal and checking for a successful combination of int values in a row.

JavaScript for the High Fidelity interface that provides a BlackJack-style card game.

The Friend module is a micro:bit chatbot that you can run inside of the REPL.

This is a FUN talking Heads Or Tails game for the official BBC micro:bit V2 where you play with get to play with our little talking friend!

A simple MicroPython micro:bit MicroCipher where you can create encrypted messages and then decrypt them when you share the cipher and encrypted message.

MicroPython Pico Project Template.

Java Selenium & Cucumber automation framework integrated with TestNG for BDD (Behavior-Driven Development) testing. This project enables writing test cases in Gherkin syntax and mapping them to Java step definitions for UI automation.

Serial Interactive Meshtastic Custom Channel Chat Client which chats on a Custom Channel over serial.

BLE Interactive Meshtastic Custom Channel Chat Client which chats on a Custom Channel.

IoT Pico W TLS Client based on the pico_examples tls_client example by the Raspberry PI foundation.

DC540 hacking challenge 0x00009 [Windows CTF].

An STM32F4, RYLR998 LoRa UART driver written entirely in Assembler.

An ATmega328P blink driver written entirely in Assembler.

An ATmega328P IO driver written entirely in Assembler.

UiDll is a 64-bit Windows DLL exporting Windows API UI functionality written in Assembler.

The micro:bit Talking LED Blink And Breath is a micro:bit Electronic Educational Engagement Tool designed to help students create a talking blink and breath application.

Model Context Protocol Servers

Inspired by Andrej Karpathy’s micrograd, this lecture builds a neural network from scratch, manually deriving gradients, automating backpropagation, and leveraging the TANH activation for nonlinearity. We bridge to PyTorch, demonstrating gradient descent’s power to minimize loss and reveal neural network fundamentals.

This project provides a step-by-step, PyTorch-based guide to constructing, training, and evaluating a fully connected neural network (MLP) for accurate handwritten digit classification using the MNIST dataset.

DAY005: Smooth LED Fade

An ESP32-C3 blink driver written entirely in RISC-V Assembler.

A pure Embedded Rust servo project that runs a WebAssembly Component Model runtime (Wasmtime + Pulley interpreter) directly on the RP2350 bare-metal with hardware capabilities exposed through WIT.

A pure Embedded Rust button project that runs a WebAssembly Component Model runtime (Wasmtime + Pulley interpreter) directly on the RP2350 bare-metal with hardware capabilities exposed through WIT.

A pure Embedded Rust UART echo project that runs a WebAssembly Component Model runtime (wasmtime + Pulley interpreter) directly on the RP2350 bare-metal w/ HW capabilities exposed through WIT.

An RP2350 UART driver written entirely in RISC-V Assembler.

Classify iris flowers in real time with a PyTorch model and see predictions on an Arduino LED matrix by entering measurements via the web interface.

An open-source production-ready, release-cycle threat modeling loop that detects logic bugs (replay attacks, race conditions, token/invite abuse) through pattern-based scanning and optional LLM-powered deep review.

An RP2350 UART echo driver written in Rust w/ Embassy.

Mechanistic Interpretability (MI) is a subfield of AI alignment and safety research focused on reverse-engineering neural networks to understand their internal computational mechanisms by discovering the actual algorithms and circuits they learn.

An updated Air Quality Monitoring System that uses air quality AQI API data to show the air quality state on the LED matrix.

A minimal neural network implementation from scratch in NumPy that learns to classify handwritten digits using forward propagation, backpropagation, and gradient descent.

This notebook builds a complete GPT (Generative Pre-trained Transformer) model from scratch using PyTorch. It covers tokenization, self-attention, multi-head attention, transformer blocks, and text generation and all explained step-by-step with a simple nursery rhyme corpus.

An ESP32-C3 UART driver written entirely in RISC-V Assembler.

Robot firmware for Waveshare Pico2Go (RP2350-Plus) in Embedded C; leverages RP2350 for reliable motor control plus integrated IR remote support and robust capabilities.

A fun augmented reality game where you get to shoot down two different kinds of bicopters that exist within your space!

The micro:bit Talking LED Blink is a micro:bit Electronic Educational Engagement Tool designed to help students create a talking LED blink application.

The micro:bit Talking LED Breath is a micro:bit Electronic Educational Engagement Tool designed to help students create a talking breath application.

Embedded Test Framework is a FREE and open-source embedded unit test framework for microcontrollers.

Live COVID-19 Tracker is a simple web app that shows the latest COVID-19 statistics feed of the world and your country of choice in real-time which refreshes every 60 seconds.

Live COVID-19 Tracker is a simple web app that shows the latest COVID-19 statistics feed of individual US States of choice in real-time which refreshes every 60 seconds.

An ATmega328P UART driver written entirely in Assembler.

An ATmega328P SSD1306 driver written entirely in Assembler.

A professional embedded C application for the Raspberry Pi Pico that combines LED blinking with 4-channel stepper motor control using ULN2003 driver boards. The project demonstrates GPIO control, timing functions, and modular code organization suitable for embedded development.

An STM32F401 button interrupt driver written entirely in Assembler.

0x0001-ASM-Hello-World Windows App written in Assembler.

0x0000-ASM-Hello-World Windows Console App written in Assembler.

ToyGPT, inspired by Andrej Karpathy’s GPT from scratch, creates a toy generative pre-trained transformer at its most basic level using a simple bigram language model with attention to help educate on the basics of creating an LLM from scratch.

Basic PyTorch tensor internals, including sizes, strides, offsets, and memory management, with practical examples for efficient deep learning workflows.

Advanced Ghidra processor module for flawlessly reverse-engineering, disassembling, and decompiling AVR microcontrollers.

Decompile the web's bleeding edge. The premier Ghidra processor module for reverse-engineering Wasmtime's portable Pulley ISA.

An RP2350 blink driver written entirely in RISC-V Assembler.

An RP2350 blink driver written entirely in ARM Assembler.

An RP2350 button driver written entirely in ARM Assembler.

An RP2350 button driver written entirely in RISC-V Assembler.

Train a robot brain from zero to 100% success in 60 seconds flat — no hardware, pure NumPy, pure magic. Built on HuggingFace LeRobot standards.

Classify diabetes risk in real time with a PyTorch model and see predictions on an Arduino LED matrix by entering patient measurements via the web interface.

A scalable multi-layer perceptron (MLP) implementation for the diabetes risk prediction dataset, exploring and modeling classification with PyTorch.

A scalable multi-layer perceptron (MLP) implementation for the Iris dataset, exploring and modeling classification with PyTorch.

No description.

HackingGPT part 6 where we learn the foundations to create a custom GPT from absolute scratch.

HackingGPT part 5 where we learn the foundations to create a custom GPT from absolute scratch.

HackingGPT part 4 where we learn the foundations to create a custom GPT from absolute scratch.

HackingGPT part 3 where we learn the foundations to create a custom GPT from absolute scratch.

HackingGPT part 2 where we learn the foundations to create a custom GPT from absolute scratch.

DAY004: PWM Brightness Control

DAY001: The First Blink

DAY002: Blink LEDs in Sequence

DAY003: Traffic Light Sim

An RP2350 button driver written in Rust w/ Embassy.

An RP2350 blink driver written in Rust w/ Embassy.

A comprehensive Zelda-style action-adventure game demonstrating the WebAssembly Component Model with Rust. This project builds a modular game using composable WASM components.

An RP2350 1602 LCD driver written entirely in Assembler.

An ESP32-C3 button driver written entirely in RISC-V Assembler.

ARM controlled input example taking a max of 4 bytes from the terminal and checking for a successful combination of int values in a row.

C Pico Project Template.

A professional embedded C application for the Raspberry Pi Pico that combines 4-channel LoRa motor control with RYLR998 LoRa wireless communication. The project supports both receiver (LoRa controller) and transmitter (remote control) modes in a unified codebase, enabling wireless LoRa motor control over long distances.

Embedded Rust w/ Embassy blink driver.

KNET is an educational Retrieval-Augmented Generation (RAG) system built from scratch, designed to empower STEM learners by combining transformers and intelligent retrieval to simulate human reasoning and deliver precise, context-aware answers to foster curiosity and understanding!

State Memory-Based Predictive Reinforcement Imitation Learning (SMPRIL) for CASBOT "01".