What the raw

Open Source Research Development

RAW Tools

Sudoku Solver Online

Sudoku Solver Online

An interactive 9x9 Sudoku solver with a preloaded ...

10 Nov · Robert Eisele

CSS Cubic Bézier Editor

CSS Cubic Bézier Editor

A professional CSS cubic-bezier timing-function ed...

11 Apr · Robert Eisele

RAW Math

Mathematics of a roller chain animation

Mathematics of a roller chain animation

This article derives the shape traced by a chain, ...

09 Dec · Robert Eisele

Fast Vector Rotation Using Quaternions

Fast Vector Rotation Using Quaternions

A complete derivation of the efficient formula for...

10 Jan · Robert Eisele

RAW Software

A Simple Quaternion Game Engine

A Simple Quaternion Game Engine

A practical derivation of a compact 3D engine in w...

25 Aug · Robert Eisele

Face Detection with PHP and OpenCV

Face Detection with PHP and OpenCV

A practical PHP workflow for OpenCV cascade-based ...

22 Jul · Robert Eisele

RAW Electronics

Programming the ATtiny85 Using Arduino

Programming the ATtiny85 Using Arduino

A step-by-step guide to programming the ATtiny85 m...

04 Aug · Robert Eisele

Using a Nokia 5110 Display with Arduino

Using a Nokia 5110 Display with Arduino

A practical guide to Nokia 5110 and Nokia 3310 LCD...

08 Jun · Robert Eisele