Thomas makes, writes



PenguinPages Preprocessor

screenshot of old website

When I started maintaining a personal website years ago, I kept all content in static HTML files which I uploaded. The webhost didn't support server side scripting and for a while I used a JavaScript to provide a navigation menu.

The JavaScript menu fixed just that, navigation. Devising a publishing …

Continue reading ...



JAL Programmable Logic Controller

jal plc

When my brother was doing his last year of high-school in electromechanics, he came up with the idea of doing his final project using a homebuilt PLC instead of the usual Siemens stuff. I built the electronics and came up with a framework so he could easily implement his GRAFCET statemachine for his part sorting robot for the PICMICRO in the JAL programming language.

This was long before Arduino, long before 'all the cool kids were doing it', and JAL was a free compiler for the affordable PIC microcontrollers. The Arduino of its days.

Continue reading ...







My Highschool Final Project

About

the pcb

This is the final project I created my last year of highschool (2003-2004). It's about stepper motor control with an AVR microcontroller and BASCOM (juk!). I designed a pcb with AT90S2313 microcontroller and ULN2003 darlington array to drive the stepper motor. (see picture) It has a chapter about stepper …

Continue reading ...