# Beads for jacdac

**URL:** <https://forum.makecode.com/t/beads-for-jacdac/167>\
**Category:** Arcade\
**Created:** [May 10, 2019, 11:56pm UTC](https://forum.makecode.com/t/beads-for-jacdac/167 "2019-05-10T23:56:36Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![frank\_schmidt](https://avatars.discourse-cdn.com/v4/letter/f/7993a0/32.png) [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Post date:** [May 10, 2019, 11:56pm UTC](https://forum.makecode.com/t/beads-for-jacdac/167/1 "2019-05-10T23:56:36Z")

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So we have 3 choices for jacdac extensions in Arcade, I think the one here is “devices” and are we to understand that these relate to the “beads” shown next to the “brains” in this picture? Each “tool” in devices controls a different bead? Or am I all mixed up on this. Just trying to get ready for when all this goes into production. We do have a couple of girls who want to learn more about electronic fashion.

 ![drivers1](https://us1.discourse-cdn.com/flex020/uploads/makecode/original/1X/3923a6b50933014b41b41c5d36ecceacc1626641.jpeg) ![beads](https://us1.discourse-cdn.com/flex020/uploads/makecode/original/1X/8f7367f7224acce25638a72726467b24226a43db.jpeg) Thx

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**Author:** ![darzu](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/darzu/32/1882_2.png) [@darzu](https://forum.makecode.com/u/darzu)\
**Post date:** [May 13, 2019, 4:08pm UTC](https://forum.makecode.com/t/beads-for-jacdac/167/2 "2019-05-13T16:08:52Z")

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I believe that’s correct, although these APIs might still change quite a bit. They are prototypes just to get a few scenarios working.

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**Author:** ![jamesadevine](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/jamesadevine/32/423_2.png) [@jamesadevine](https://forum.makecode.com/u/jamesadevine)\
**Post date:** [May 13, 2019, 7:04pm UTC](https://forum.makecode.com/t/beads-for-jacdac/167/3 "2019-05-13T19:04:57Z")

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Hi @frank_schmidt,

JACDAC runs on many microcontrollers, not just the beads / brains you mention.

We’re still finalising many things, and the current version that is in the arcade editor is out of date.

The protocol has been tested (provisionally) on: SAMD21, SAMD51, STM32F4, STM32F1, NRF52. The idea is that we’re simplifying the interconnects between microcontrollers, and to share resources as a network of microcontrollers.