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Rodents in the Attic

A small C64 demo released at X 2026.

Live at Wood Chip Fest 2026

This is my second year playing the C=tar live at Wood Chip Fest, a small 8-bit music festival in Denmark.

Plushies start to arrive

The Multiplexius plushies have started to reach their new homes!

Sum Ergo Demonstro Explained

This is a video presentation of some of the techniques used in my demo Sum Ergo Demonstro for the Raspberry Pi Pico 2 board, with its RP2350 microcontroller. Some new discoveries are revealed.

Sum Ergo Demonstro

I made another demo for the Raspberry Pi Pico 2 microcontroller and got 3rd place in the Revision 2026 wild compo.

Quondam Tunneling Explained

This video explains how the tunnel effect in my C64 demo Quondam Tunneling works.

Quondam Tunneling

This was my contribution to the tunnel compo at Fjälldata 2026: A full-screen 3D tunnel on the Commodore 64.

Multiplexius Plushie

The Mighty Multiplexius from my C64 demo Nine has successfully transformed himself into a real-world limited-edition plushie. Now is the time to order!

Boléro

I perform Maurice Ravel s Boléro on a variety of homemade 8-bit instruments.

Front-Panel Booting an ATmega88 Microcontroller

Your computer contains both hardware and software. Even if you buy a PC motherboard separately, there s software (called BIOS) in one of the chips, otherwise nothing would happen when you turn on the power.

Do You Want a Multiplexius Plushie?

The Mighty Multiplexius from my demo Nine wants to perform a new trick and transform himself into a real-world limited-edition plushie.

The Qweremin

I invented a new instrument: The Qweremin is a qwerty theremin.

Live at Wood Chip Fest 2025

I played my C=TAR at Wood Chip Fest, a small 8-bit music festival in Denmark.

Nine and Kaleidoscopico on streaming platforms

The soundtracks from my demos Nine and Kaleidoscopico are now available on streaming platforms.

Kaleidoscopico

Kaleidoscopico is a microcontroller demo that runs on a Raspberry Pi Pico 2. It placed 2nd in the Wild compo at Revision 2025.