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. Read more.

Posted Friday 3-Jul-2026 08:41, 1 comment.

Plushies start to arrive

The Multiplexius plushies have started to reach their new homes! Read more.

Posted Friday 26-Jun-2026 13:32, 0 comments.

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. Read more.

Posted Wednesday 3-Jun-2026 09:21, 1 comment.

Sum Ergo Demonstro

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

• lft-sum-ergo-demonstro.zip (Original release zip, with video, 243.6 MB)
• Linus Akesson - Sum Ergo Demonstro.mp3 (Soundtrack, 6.5 MB)
• lft-sum-ergo-demonstro.bin (Pico 2 firmware, raw binary, 312.2 kB)
• lft-sum-ergo-demonstro.uf2 (Pico 2 firmware, UF2, 624.5 kB)
• sum-ergo-demonstro-schematics.png (Schematics, 14.3 kB)
• sum-ergo-demonstro-stripboard.pdf (Stripboard layout, 20.1 kB)

Posted Monday 6-Apr-2026 10:26, 6 comments.

Quondam Tunneling Explained

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

Posted Friday 6-Feb-2026 08:07, 0 comments.

Quondam Tunneling

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

• lft-quondam-tunneling.prg (C64 executable, 32.9 kB)
• Quondam_Tunneling.sid (SID file, 4.6 kB)
• Linus Akesson - Quondam Tunneling.mp3 (MP3, 7.2 MB)

Posted Saturday 31-Jan-2026 23:49, 5 comments.

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! Read more.

Posted Wednesday 14-Jan-2026 17:59, 6 comments.