p2000t-sdcard
SD-card cartridge for the Philips P2000T — hardware design plus Z80 firmware to load software from FAT32 SD cards on a 1980s home computer.
p2000t
sdcard
z80
View on GitHub →Projects
56 open source tools, libraries, and experiments — spanning quantum chemistry, vintage computing, and beyond.
p2000t-scart-connector-pcb
PCB for connecting a SCART male connector to the P2000T for clean RGBS composite video output on modern displays.
p2000t
scart
kicad
View on GitHub →p2000t-ram-expansion-board
RAM expansion board for the P2000T, extending memory via the cartridge slot. Includes KiCad schematics and firmware.
p2000t
ram
hardware
View on GitHub →p2000t-joystick-cartridge
SLOT2 cartridge to interface Atari 2600-style joysticks with the Philips P2000T — because BASIC games deserve a proper joystick.
p2000t
atari-joystick
View on GitHub →p2000t-hf-h2
Demonstrator program that runs a Hartree-Fock calculation for the H₂ molecule on a Philips P2000T — bridging 1980s hardware with quantum chemistry.
p2000t
hartree-fock
quantum-chemistry
View on GitHub →P2000T-SD-kaart-handleiding
Nederlandstalige handleiding voor de P2000T SD-kaart cartridge — a complete Dutch-language user manual in LaTeX.
p2000t
documentation
View on GitHub →p2000t-screenshot-creator
Python tool that generates synthetic P2000T monitor screenshots, useful for documentation and demos without needing real hardware.
p2000t
python
View on GitHub →p2000t-power-button-fix
Homebrew kit to fix the common power-button failure on the P2000T — a practical repair guide with schematics.
p2000t
repair
hardware
View on GitHub →p2000t-tape-monitor
Cartridge software for the P2000T that reads out tape data and copies it to an external ROM chip — a digital preservation tool.
p2000t
z80
assembly
View on GitHub →p2000t-z80-ide
Integrated Desktop Environment for writing and running Z80 assembly programs on the P2000T, built in C++ with a built-in assembler.
p2000t
z80
ide
View on GitHub →p2000t-rs232-cartridge
Modified P2000T BASIC cartridge that adds RS232 support for easily loading CAS tape files over a serial connection.
p2000t
rs232
z80
View on GitHub →p2000t-tape-copy-utility
Cartridge program for duplicating P2000T tape cassettes — copy data tapes without a PC.
p2000t
tape
View on GitHub →P2000T-toolkit
Combined P2000T emulator and Z80 compiler toolkit for developing and testing software without physical hardware.
p2000t
emulator
z80
View on GitHub →dftcxx
C++ DFT program for educational purposes. Implements density functional theory from the ground up with a focus on clarity and correctness.
dft
quantum-chemistry
electron-density
View on GitHub →pyqint
Python package for calculating one- and two-electron integrals using Gaussian-type orbitals. Foundation for many quantum chemistry workflows.
hartree-fock
gaussian-type-orbitals
molecular-integrals
quantum-chemistry
View on GitHub →edp
Electron Density Plotter — render VASP CHGCAR/LOCPOT electron density maps as publication-quality images with flexible color schemes.
electron-density
vasp
visualization
View on GitHub →hfcxx
Restricted Hartree-Fock program in C++ using Gaussian-type orbitals. Computes energies and electron densities for small molecules.
hartree-fock
quantum-chemistry
electron-density
View on GitHub →pypwdft
Python plane-wave density functional theory code for educational purposes, accompanying lecture notes on plane-wave DFT.
density-functional-theory
planewave-basis
electronic-structure
View on GitHub →pydft
Localized-orbital DFT in pure Python — implements the full SCF procedure with Gaussian-type orbitals, designed for teaching and exploration.
density-functional-theory
gaussian-type-orbitals
quantum-chemistry
View on GitHub →sphecerix
Rotation of spherical harmonics using Wigner-D matrices — an essential building block for angular momentum theory in quantum chemistry.
spherical-harmonics
wigner-d-matrix
View on GitHub →den2obj
Converts VASP density files (CHGCAR/LOCPOT) to mesh isosurfaces via the marching cubes algorithm — outputs Wavefront OBJ or OpenVDB.
isosurface
marching-cubes
electron-density
vasp
View on GitHub →wavefuse
Gray-Scott reaction-diffusion system simulated in 3D using CUDA. Generates intricate Turing-like chemical patterns at GPU speed.
cuda
gray-scott-model
reaction-diffusion
finite-difference
View on GitHub →turing
C++ implementation of Turing pattern generation via reaction-diffusion equations — a clean model of biological morphogenesis.
reaction-diffusion
turing-patterns
simulation
View on GitHub →pylebedev
Python library for Lebedev quadrature points and weights on the unit sphere — used for accurate numerical integration in quantum chemistry.
lebedev
quadrature
unit-sphere
View on GitHub →pytessel
Python package for tessellating 3D scalar fields into isosurfaces using the marching cubes algorithm. Fast C++ backend, Python interface.
isosurface
marching-cubes
tesselation
View on GitHub →bramble
Common Neighbor Analysis tool for identifying crystal structure environments in molecular dynamics trajectories.
cna
common-neighbor-analysis
materials-science
View on GitHub →den2bin
Converts VASP CHGCAR/LOCPOT density files to compact binary format for faster downstream processing and visualization.
electron-density
vasp
View on GitHub →atom-architect
Visualization and building tool for electronic structure calculations — reads VASP POSCAR/OUTCAR files and renders atomic structures in 3D.
vasp
visualization
materials-modelling
View on GitHub →pymodia
Python package for visualizing molecular orbital diagrams — generate publication-ready MO diagrams from electronic structure data.
molecular-orbital
mo-diagram
quantum-chemistry
View on GitHub →managlyph
Stereographic rendering program for atomic systems — generate red-cyan anaglyph images of molecules and crystal surfaces.
3d-graphics
anaglyph-image
molecular-modeling
View on GitHub →lafluxxy
Simulation environment for reaction-diffusion processes in maze geometries — explores how chemical patterns form within constrained spaces.
reaction-diffusion
simulation
View on GitHub →lennard-jones-live-simulator
Interactive live Lennard-Jones molecular dynamics simulator for educational purposes. Watch particles self-organize in real time.
lennard-jones
molecular-dynamics
simulation
View on GitHub →opengl-cpp-course
Full course on writing OpenGL programs in C++ — from hello triangle to advanced lighting and shaders. Runs on Windows with GLFW.
opengl
glsl
graphics-programming
course
View on GitHub →pwdft-lecture-notes
Comprehensive LaTeX lecture notes on plane-wave density functional theory — from Bloch's theorem to pseudopotentials and PAW.
plane-wave-dft
lecture-notes
View on GitHub →hfhsl2021
Hartree-Fock workshop exercises for the Han-sur-Lesse Winterschool 2021 — Python notebooks walking through HF theory step by step.
hartree-fock
electronic-structure
workshop
View on GitHub →hfhsl
Hartree-Fock course materials for the Han-sur-Lesse Winterschool 2017 — C++ implementation with exercises.
hartree-fock
course
View on GitHub →hsl-pwdft-exercises
Plane-wave DFT exercises for the Han-sur-Lesse Winterschool 2024 — hands-on Python notebooks for the accompanying lecture notes.
plane-wave-dft
workshop
exercises
View on GitHub →electronic-structure-interactive-notebooks
Interactive Jupyter notebooks demonstrating electronic structure calculations from Elements of Electronic Structure Theory.
electronic-structure
jupyter
interactive
View on GitHub →pypractice
Gamified, browser-based Python learning app where students solve exercises, run code with Pyodide, earn XP, and unlock achievements — entirely client-side.
python-education
pyodide
gamification
View on GitHub →pico-sst39sf0x0-programmer
Raspberry Pi Pico-based flasher utility for SST39SF0x0 EEPROM chips — flash ROMs for retro computers without specialist hardware.
eeprom-programmer
raspberry-pi-pico
sst39sf040
View on GitHub →bytecradle-6502
Homebrew 65C02-based single board computer — complete hardware schematics, memory map, and assembly firmware built from scratch.
6502
65c02
single-board-computer
View on GitHub →gameboy-cartridge-reader
ATmega 32u4-based Game Boy cartridge reader — dump ROM and RAM from original Game Boy, Color, and flash cartridges over USB.
gameboy
gameboy-color
cartridge-reader
View on GitHub →sap-smd
Modular 8-bit SAP (Simple as Possible) computer built entirely with TTL logic chips — a Ben Eater-inspired homebrew CPU in SMD form.
homebrew-computer
ttl-computer
ben-eaters-cpu
View on GitHub →cx16-kakuro
Kakuro logic puzzle game for the Commander X16 retro computer. Written in C with a clean text-mode UI.
cx16
retrogame
kakuro
View on GitHub →cx16-othello
Othello (reversi) game for the Commander X16 — a faithful port of the classic strategy game with a computer opponent.
cx16
retrogame
othello
View on GitHub →mmk
Mini Matrix Keyboard — a compact mechanical keyboard built around an STM32 microcontroller with custom PCB design.
mechanical-keyboard
microcontroller
pcb
View on GitHub →picobeam
Compact VGA text display generator for the Raspberry Pi Pico 2 — outputs 80×30 text at VGA resolution using PIO state machines.
raspberry-pi-pico-2
vga
picovga
View on GitHub →atari-2600-composite-video-mod
Small PCB module to output clean composite video from an Atari 2600, replacing the aging RF modulator.
atari-2600
composite-video
mod
View on GitHub →zeta-80
Single board computer designed around the Zilog Z80 processor — full hardware design with schematics and firmware.
z80
single-board-computer
homebrew
View on GitHub →morseboard-8088
Single board computer built around the Intel 8088 processor — minimalist design with 8088 assembly firmware.
8088
intel-8088
single-board-computer
View on GitHub →bytecradle-6502-operating-system
Operating system for the ByteCradle 6502 Mini — provides a basic shell, memory management, and I/O drivers.
6502
65c02
operating-system
View on GitHub →slot-otter
8-bit ISA card to interface with a FAT32-formatted SD card — adds mass storage to vintage ISA-bus systems.
isa-card
sdcard
fat32
View on GitHub →nex-lang
A minimal, imperative, block-structured, dynamically typed programming language implemented in Python — with a lexer, parser, and tree-walking interpreter.
interpreter
programming-language
lexer
parser
View on GitHub →t32-asm
T32 is a minimal instruction set architecture with exactly 32 instructions, combining a register file, stack, and memory tape into a compact computational model.
assembly
isa
esoteric-programming-language
View on GitHub →OpForge65
Custom C++-based assembler for the 65C02 processor — generates binary output for the ByteCradle homebrew system.
65c02
assembler
6502
View on GitHub →cpp65
A cycle-accurate 65C02 emulator written in C++ — implements all addressing modes and the complete WDC 65C02 extended instruction set.
65c02
6502-emulation
emulator
View on GitHub →