# Jacdac
**URL:** https://forum.makecode.com/c/jacdac/59.md
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## [About the Jacdac category](https://forum.makecode.com/t/about-the-jacdac-category/13774)
**Author:** [@richard](https://forum.makecode.com/u/richard)\
**Replies:** 0
Jacdac: plug-and-play creation of physical computing systems For more information on #Jacdac, check out https://aka.ms/jacdac For information on using #Jacdac with Microsoft MakeCode, see https://microsoft.github.io/ja…
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## [Assistive Technology Jacdac Video](https://forum.makecode.com/t/assistive-technology-jacdac-video/28445)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [April 26, 2024, 3:53pm UTC](https://forum.makecode.com/t/assistive-technology-jacdac-video/28445 "2024-04-26T15:53:15Z")
Video: I began working with Keegan and he explains control of small motors on a car kit using touch screen and Jacdac. No code is needed. This is Kit 2 of the Jacdac system with some parts from Kit 1 and LEGO Technic ass…
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## [Video: girl drives complex Differential Gears with Jacdac Simulator ](https://forum.makecode.com/t/video-girl-drives-complex-differential-gears-with-jacdac-simulator/28265)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [April 16, 2024, 3:38am UTC](https://forum.makecode.com/t/video-girl-drives-complex-differential-gears-with-jacdac-simulator/28265 "2024-04-16T03:38:36Z")
Video using Jacdac Microbit V2 and continuous servo with Jacdac Kittenbot Kit B : She explains how it works . https://tinyurl.com/2c59c9wm
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## [Video: for Makers learning Electronics, Jacdac and Kittenbot Newbit, Arcade](https://forum.makecode.com/t/video-for-makers-learning-electronics-jacdac-and-kittenbot-newbit-arcade/14545)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 1\
**Last updated:** [April 4, 2024, 9:39pm UTC](https://forum.makecode.com/t/video-for-makers-learning-electronics-jacdac-and-kittenbot-newbit-arcade/14545 "2024-04-04T21:39:39Z")
Demonstrates the use of Jacdac simulator in the MakeCode Arcade environment and Kittenbot hardware.
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## [Can Jacdac be used for connecting together multiple Micro:bits?](https://forum.makecode.com/t/can-jacdac-be-used-for-connecting-together-multiple-micro-bits/17677)
**Author:** [@sjmurdoch](https://forum.makecode.com/u/sjmurdoch)\
**Replies:** 6\
**Last updated:** [March 25, 2024, 1:00am UTC](https://forum.makecode.com/t/can-jacdac-be-used-for-connecting-together-multiple-micro-bits/17677 "2024-03-25T01:00:47Z")
The Jacdac examples I’ve seen are all about connecting sensors and buttons to a Micro:bit. That’s great but I am interested in connecting Micro:bits to each other, initially two but perhaps more. Is this possible? If so …
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## [Video: Jacdac controls large array RGB/LED via 51bit Colorbit](https://forum.makecode.com/t/video-jacdac-controls-large-array-rgb-led-via-51bit-colorbit/14882)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 6\
**Last updated:** [March 17, 2024, 1:40am UTC](https://forum.makecode.com/t/video-jacdac-controls-large-array-rgb-led-via-51bit-colorbit/14882 "2024-03-17T01:40:40Z")
The Jacadaptor has 5 pinouts on its face, I soldered stacks on these and plug in a 51bit Colorbit using P2, V and Gnd. Colorbit has an output side with 3 wires going to a 256 RGB/LED array so the same Neopixel play patte…
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## [Jacdac JavaScript SDK](https://forum.makecode.com/t/jacdac-javascript-sdk/26281)
**Author:** [@CodeGuppy](https://forum.makecode.com/u/CodeGuppy)\
**Replies:** 1\
**Last updated:** [January 23, 2024, 1:56am UTC](https://forum.makecode.com/t/jacdac-javascript-sdk/26281 "2024-01-23T01:56:56Z")
I got Jacdac kit. Do you have any JavaScript library allowing me to use these devices from a website (not MakeCode)?
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## [Video: Student explains Jacdac as a Tank controller](https://forum.makecode.com/t/video-student-explains-jacdac-as-a-tank-controller/15513)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 1\
**Last updated:** [September 29, 2022, 10:21pm UTC](https://forum.makecode.com/t/video-student-explains-jacdac-as-a-tank-controller/15513 "2022-09-29T22:21:22Z")
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## [New Board with RP2040 - Adding pins, multi-processor, and other questions](https://forum.makecode.com/t/new-board-with-rp2040-adding-pins-multi-processor-and-other-questions/15609)
**Author:** [@xjordanx](https://forum.makecode.com/u/xjordanx)\
**Replies:** 4\
**Last updated:** [September 27, 2022, 3:50pm UTC](https://forum.makecode.com/t/new-board-with-rp2040-adding-pins-multi-processor-and-other-questions/15609 "2022-09-27T15:50:38Z")
HI All, I’m hoping to get through to some folks who know a lot more than me. I am working on a project for a big client (not to mention the name). We have a new board with an RP2040 chip (Cortex-M0+) and so far, with s…
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## [Music and Jacdac Video, Microbit outputs scale to Auto Tuner](https://forum.makecode.com/t/music-and-jacdac-video-microbit-outputs-scale-to-auto-tuner/15518)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [September 22, 2022, 8:25pm UTC](https://forum.makecode.com/t/music-and-jacdac-video-microbit-outputs-scale-to-auto-tuner/15518 "2022-09-22T20:25:27Z")
Links to code and parts in description of video:
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## [Video: Jacdac Controller Tank bot: code links in description](https://forum.makecode.com/t/video-jacdac-controller-tank-bot-code-links-in-description/15366)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [September 15, 2022, 6:39pm UTC](https://forum.makecode.com/t/video-jacdac-controller-tank-bot-code-links-in-description/15366 "2022-09-15T18:39:08Z")
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## [Video: Use outdated iPhone to code and download Jacdac to Microbit V2](https://forum.makecode.com/t/video-use-outdated-iphone-to-code-and-download-jacdac-to-microbit-v2/15152)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 1\
**Last updated:** [August 30, 2022, 9:40pm UTC](https://forum.makecode.com/t/video-use-outdated-iphone-to-code-and-download-jacdac-to-microbit-v2/15152 "2022-08-30T21:40:43Z")
We have purchased old iPhone 6 (s) for as little as $55 and used them in classroom as computers to write MakeCode and download to Microbit V2 with Jacdac extension even though the firmware on iPhone is out of date and ca…
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## [Video: Jacdac program downloaded via Tablet (iOS) to Microbit V2](https://forum.makecode.com/t/video-jacdac-program-downloaded-via-tablet-ios-to-microbit-v2/15095)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [August 26, 2022, 4:33pm UTC](https://forum.makecode.com/t/video-jacdac-program-downloaded-via-tablet-ios-to-microbit-v2/15095 "2022-08-26T16:33:31Z")
Program written with Jacdac extension on iOS tablet (old. used iPad off Ebay) and downloaded via Bluetooth and Microbit app to operate Kittenbot kit : https://youtu.be/9IHwwKxeOfI
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## [Jacdac in Arcade with 'radio' and servo: Video](https://forum.makecode.com/t/jacdac-in-arcade-with-radio-and-servo-video/14960)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [August 16, 2022, 8:43pm UTC](https://forum.makecode.com/t/jacdac-in-arcade-with-radio-and-servo-video/14960 "2022-08-16T20:43:34Z")
This is under both Arcade and Jacdac because the extension is used in both MakeCode Arcade and MakeCode for Microbit. Just experimental at this time. :
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## [Video: Maker Gardening Project with Jacdac](https://forum.makecode.com/t/video-maker-gardening-project-with-jacdac/14951)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [August 15, 2022, 9:38pm UTC](https://forum.makecode.com/t/video-maker-gardening-project-with-jacdac/14951 "2022-08-15T21:38:00Z")
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## [Video: Jacdac for Makers, 8 X 32 Neopixel matrix (array) With Code in Video](https://forum.makecode.com/t/video-jacdac-for-makers-8-x-32-neopixel-matrix-array-with-code-in-video/14884)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [August 12, 2022, 5:21pm UTC](https://forum.makecode.com/t/video-jacdac-for-makers-8-x-32-neopixel-matrix-array-with-code-in-video/14884 "2022-08-12T17:21:52Z")
For a Maker Faire project we could use a Jacdac sensor, like light level or rotary encoder position and display values on a large array of RGB/LED as shown in this video. One of our great contributors developed this cod…
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## [Using Jacdac to pause / play video on P5JS](https://forum.makecode.com/t/using-jacdac-to-pause-play-video-on-p5js/14856)
**Author:** [@AvatarLouisLi](https://forum.makecode.com/u/AvatarLouisLi)\
**Replies:** 1\
**Last updated:** [August 10, 2022, 5:59pm UTC](https://forum.makecode.com/t/using-jacdac-to-pause-play-video-on-p5js/14856 "2022-08-10T17:59:32Z")
I’m trying to use Jacdac buttons to pause and play video on P5JS. At first, I used just one button to pause and play the video, here’s the code: let vid; function setup() { noCanvas(); vid = createVideo('mountain.m…
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## [Video: Sound Reactive with Jacdac, needs improvement in code](https://forum.makecode.com/t/video-sound-reactive-with-jacdac-needs-improvement-in-code/14422)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 2\
**Last updated:** [August 10, 2022, 4:29pm UTC](https://forum.makecode.com/t/video-sound-reactive-with-jacdac-needs-improvement-in-code/14422 "2022-08-10T16:29:58Z")
The hardware, Microbit V2 microphone and Jacdac Jacadapter and 8X LED ring seem to work in response to music but it would be great for the system to be more responsive yet:
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## [Video: Many kids using Jacdac to control bot car with trailer](https://forum.makecode.com/t/video-many-kids-using-jacdac-to-control-bot-car-with-trailer/14838)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 1\
**Last updated:** [August 10, 2022, 3:47pm UTC](https://forum.makecode.com/t/video-many-kids-using-jacdac-to-control-bot-car-with-trailer/14838 "2022-08-10T15:47:19Z")
At our local library this morning, Bailey (14 yr old) assembled trailer and helped write the code using Jacdac and Kittenbot motor driver, 2 Microbits and ‘radio’ communication. Now she explains it to littler kids. …
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## [Using Jacdac LED blocks in ON START](https://forum.makecode.com/t/using-jacdac-led-blocks-in-on-start/14642)
**Author:** [@dsssssssss9](https://forum.makecode.com/u/dsssssssss9)\
**Replies:** 1\
**Last updated:** [August 9, 2022, 6:15pm UTC](https://forum.makecode.com/t/using-jacdac-led-blocks-in-on-start/14642 "2022-08-09T18:15:15Z")
someone mentioned ( not sure it here or on Github ) that whenever they put any Jacdac LED blocks in ONSTART they led did not light up. I seem to remember someone else thought it might be due to the Jacdac software not …
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## [Javascript & Python RGB values prefix is wrong](https://forum.makecode.com/t/javascript-python-rgb-values-prefix-is-wrong/14634)
**Author:** [@dsssssssss9](https://forum.makecode.com/u/dsssssssss9)\
**Replies:** 1\
**Last updated:** [August 9, 2022, 6:14pm UTC](https://forum.makecode.com/t/javascript-python-rgb-values-prefix-is-wrong/14634 "2022-08-09T18:14:17Z")
if in python or javascript - dragging code with RGB value results in the colour value having prefix of “#” when it should be 0x Setting this manually to “0x” resolves the issue Reported 14 days ago via GitHub …
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## [Video : Incorrect Text Code in JavaScript for Jacdac , color designation ](https://forum.makecode.com/t/video-incorrect-text-code-in-javascript-for-jacdac-color-designation/14450)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 1\
**Last updated:** [August 9, 2022, 6:12pm UTC](https://forum.makecode.com/t/video-incorrect-text-code-in-javascript-for-jacdac-color-designation/14450 "2022-08-09T18:12:10Z")
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## [Video: Kittenbot Newbit with Jacdac sort of works](https://forum.makecode.com/t/video-kittenbot-newbit-with-jacdac-sort-of-works/14350)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 1\
**Last updated:** [August 9, 2022, 6:11pm UTC](https://forum.makecode.com/t/video-kittenbot-newbit-with-jacdac-sort-of-works/14350 "2022-08-09T18:11:00Z")
Showing that it works but throws an error code.
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## [Video: Wifi to control Jacdac](https://forum.makecode.com/t/video-wifi-to-control-jacdac/14730)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [August 2, 2022, 12:57am UTC](https://forum.makecode.com/t/video-wifi-to-control-jacdac/14730 "2022-08-02T00:57:54Z")
In a way we can use a WiFi system (WLED) to control Jacdac. Brightness adjusted with the Colorbit to Wemos D1 Mini ESP8266 via WLED signals the Jacdac sensor which uses Microbit V2 to analyze light level and output to 8X…
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## [New version Jacdac, Same color error](https://forum.makecode.com/t/new-version-jacdac-same-color-error/14635)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 2\
**Last updated:** [July 29, 2022, 4:29pm UTC](https://forum.makecode.com/t/new-version-jacdac-same-color-error/14635 "2022-07-29T16:29:38Z")
The new version of Jacdac published yesterday, or today, still has the same error in text coding for color:https://makecode.microbit.org/\_RMFdx5aKKT5K I think Jason D. posted a complaint about this on Github with the pr…
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## [Video, 12 yr old uses and explains Jacdac Light Sensor](https://forum.makecode.com/t/video-12-yr-old-uses-and-explains-jacdac-light-sensor/14628)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [July 27, 2022, 5:06pm UTC](https://forum.makecode.com/t/video-12-yr-old-uses-and-explains-jacdac-light-sensor/14628 "2022-07-27T17:06:53Z")
Microsoft Project MakeAccessable is inspiring us to find makers to use this Joint Asynchronous Comm. system to invent hardware for people with disabilities. The central kernel of the electronics is a microprocessor in ea…
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## ["Unable to Claim Interface" error - workaround ](https://forum.makecode.com/t/unable-to-claim-interface-error-workaround/14429)
**Author:** [@dsssssssss9](https://forum.makecode.com/u/dsssssssss9)\
**Replies:** 0\
**Last updated:** [July 14, 2022, 2:03am UTC](https://forum.makecode.com/t/unable-to-claim-interface-error-workaround/14429 "2022-07-14T02:03:42Z")
Hi It seems that only 1 browser tab at a time can connect. If you try to connect in another tab you get " unable to Claim Interface " error I have found a fairly easy workaround ( at least it works for me ! ) See thi…
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## [Video: Text Coding of Colors in Jacdac Javascript on Microbit](https://forum.makecode.com/t/video-text-coding-of-colors-in-jacdac-javascript-on-microbit/14408)
**Author:** [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Replies:** 0\
**Last updated:** [July 11, 2022, 5:38pm UTC](https://forum.makecode.com/t/video-text-coding-of-colors-in-jacdac-javascript-on-microbit/14408 "2022-07-11T17:38:37Z")
Both standard Neopixel RGB/LED ring and Jacdac 8X LED ring.
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## [Jacdac for MakeCode and the micro:bit](https://forum.makecode.com/t/jacdac-for-makecode-and-the-micro-bit/14222)
**Author:** [@tballmsft](https://forum.makecode.com/u/tballmsft)\
**Replies:** 0\
**Last updated:** [June 27, 2022, 1:43am UTC](https://forum.makecode.com/t/jacdac-for-makecode-and-the-micro-bit/14222 "2022-06-27T01:43:10Z")
The Jacdac team is pleased to announce the release of Jacdac for MakeCode and the micro:bit, with first commerical availability of Jacdac hardware from Kittenbot!