Peten Paja

Shaders for my Shinobi engine are written in Lua programming language. Why Lua? Lua with its dynamic typing and first class functions makes ...

Wow, a year has passed with no updates! Let's fix that right now. Sometime last fall my son got a kid's toy which would play thi...

The ATmega1284P coprocessor of ERIC-1 has been able to output a PAL video signal for some time. As you may know, the coprocessor has a scree...

I recently got a delivery of two brand new W65C02S chips from Coltek UK (£9 for two chips including shipping to Finland, not bad!). Now, if ...

I've been working on video signal generation for my ERIC-1 microcomputer lately. As you may know I built a 8-bit console in the past th...

Everyone seems to be building their 6502-based 80s esque computers nowadays, and it seems to be a lot of fun. Well, I don't want to miss...

Here's a simple way to drive a RGB LED with Arduino Uno. The microcontroller generates a multiplexed PWM signal in software. The PWM is...