# \[Announcement\] Chapter 1 Reloaded — Dual-Core Light Tasking on the Raspberry Pi Pico

**URL:** <https://forum.ada-lang.io/t/announcement-chapter-1-reloaded-dual-core-light-tasking-on-the-raspberry-pi-pico/4259>\
**Category:** Releases\
**Tags:** embedded, ada, pi-pico, raspberry\
**Created:** [March 13, 2026, 7:11pm UTC](https://forum.ada-lang.io/t/announcement-chapter-1-reloaded-dual-core-light-tasking-on-the-raspberry-pi-pico/4259 "2026-03-13T19:11:12Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![krischik](https://forum.ada-lang.io/user_avatar/forum.ada-lang.io/krischik/32/420_2.png) [@krischik](https://forum.ada-lang.io/u/krischik)\
**Post date:** [March 13, 2026, 7:11pm UTC](https://forum.ada-lang.io/t/announcement-chapter-1-reloaded-dual-core-light-tasking-on-the-raspberry-pi-pico/4259/1 "2026-03-13T19:11:12Z")

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After some initial struggles I’ve completely rewritten Chapter 1 to use the brand-new light\_tasking\_rp2040 runtime (v15.2). No more hand-crafted timers: both cores are now running independent LED blink tasks with proper Ada.Real\_Time and delay until — zero timing drift and beautiful desynchronised blinking.

This only became possible thanks to the incredibly fast and helpful Ada community:

- Max, for hosting and moderating the wonderful Ada Telegram group
- damaki, for releasing the updated configurable light tasking runtime that finally made multi-core + delay until work smoothly on the Pico

Could not have done it without you both — thank you so much!

Read the updated chapter here:

> **[Chapter 1 Reloaded: Dual-Core Light Tasking – Blinking LEDs on Both Cores](https://pi-ada-tutorial.sourceforge.io/pico_ada_c01_blink_lt/)**
>
> Updated Chapter 1 using the new light\_tasking\_rp2040 runtime – now with proper multi-core support, Ada.Real\_Time, and delay until for accurate, slippage-free LED blinking on Raspberry Pi Pico.

The older single-core version is still online for comparison.

Looking forward to your feedback and ideas for the next chapters!

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**Author:** ![krischik](https://forum.ada-lang.io/user_avatar/forum.ada-lang.io/krischik/32/420_2.png) [@krischik](https://forum.ada-lang.io/u/krischik)\
**Post date:** [March 13, 2026, 7:14pm UTC](https://forum.ada-lang.io/t/announcement-chapter-1-reloaded-dual-core-light-tasking-on-the-raspberry-pi-pico/4259/2 "2026-03-13T19:14:18Z")

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PS: For reasons unknown only “Projects Ideas” can be used. The other “Projects” categories are not available.

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**Author:** ![AdaOrbit](https://forum.ada-lang.io/user_avatar/forum.ada-lang.io/adaorbit/32/879_2.png) [@AdaOrbit](https://forum.ada-lang.io/u/AdaOrbit)\
**Post date:** [March 13, 2026, 7:42pm UTC](https://forum.ada-lang.io/t/announcement-chapter-1-reloaded-dual-core-light-tasking-on-the-raspberry-pi-pico/4259/3 "2026-03-13T19:42:00Z")

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I think that is by design. Or else you could set your proposal to “Award Winner“ 😉

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**Author:** ![krischik](https://forum.ada-lang.io/user_avatar/forum.ada-lang.io/krischik/32/420_2.png) [@krischik](https://forum.ada-lang.io/u/krischik)\
**Post date:** [March 13, 2026, 7:58pm UTC](https://forum.ada-lang.io/t/announcement-chapter-1-reloaded-dual-core-light-tasking-on-the-raspberry-pi-pico/4259/4 "2026-03-13T19:58:16Z")

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Ohh dear. I’m in the wrong place as I don’t want to win any awards.

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**Author:** ![AdaOrbit](https://forum.ada-lang.io/user_avatar/forum.ada-lang.io/adaorbit/32/879_2.png) [@AdaOrbit](https://forum.ada-lang.io/u/AdaOrbit)\
**Post date:** [March 13, 2026, 7:59pm UTC](https://forum.ada-lang.io/t/announcement-chapter-1-reloaded-dual-core-light-tasking-on-the-raspberry-pi-pico/4259/5 "2026-03-13T19:59:38Z")

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I guess “Releases“ is what you are searching for 😃

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**Author:** ![damaki](https://forum.ada-lang.io/letter_avatar_proxy/v4/letter/d/3bc359/32.png) [@damaki](https://forum.ada-lang.io/u/damaki)\
**Post date:** [March 13, 2026, 8:54pm UTC](https://forum.ada-lang.io/t/announcement-chapter-1-reloaded-dual-core-light-tasking-on-the-raspberry-pi-pico/4259/6 "2026-03-13T20:54:56Z")

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Really cool! Great to see it working for you 🙂
