Thanks for the info. We finally got the firmware downgraded - we had to use a mac computer, since ipad, and any laptops with windows 10 or windows 11 would not work. On Wed, Feb 15, 2023 at 6:41 PM Skip Morrow <[log in to unmask]> wrote: > Hi Deborah! > > Downgrading can be problematic. But it is possible. Officially from Lego, > this seems to be the only way: > https://urldefense.com/v3/__https://spikelegacy.legoeducation.com/hubdowngrade/*step-1__;Iw!!N6YHze6lT7thMl0!NAZfWuWYgsjGZI5eSJQguUVkPk43jDPJtdcgcHUcrhSUAsckU1vMLM-e_v8YDUM5dxGCaEYS3d_fZrI59STpP7GkowVObMXyJxYe$ > <https://urldefense.com/v3/__https://spikelegacy.legoeducation.com/hubdowngrade/*step-1__;Iw!!N6YHze6lT7thMl0!OPyEHT6gPedcM3wlu-cohtNv5-5zo_UlI5Z5uR0iONgkwJEueIeg_Fdds7K7H3FJVqY_hM2hubRN6NLKS2weyw$> > > Requires a computer with Chrome OS, or a Mac with a Chrome browser. > > I also found this: > https://urldefense.com/v3/__https://dfu.pybricks.com/__;!!N6YHze6lT7thMl0!NAZfWuWYgsjGZI5eSJQguUVkPk43jDPJtdcgcHUcrhSUAsckU1vMLM-e_v8YDUM5dxGCaEYS3d_fZrI59STpP7GkowVObFk7Zl-d$ > <https://urldefense.com/v3/__https://dfu.pybricks.com/__;!!N6YHze6lT7thMl0!OPyEHT6gPedcM3wlu-cohtNv5-5zo_UlI5Z5uR0iONgkwJEueIeg_Fdds7K7H3FJVqY_hM2hubRN6NKgrLilGg$> > > But I am not sure it will work because pybricks is a specific OS outside > of Lego's official OS. I think it will work, but I am not sure. Be careful. > > I have not heard of any updates in the last week. Sorry! > > I hope this helps. > Skip > > On Wed, Feb 15, 2023 at 5:45 PM Deborah Heyward < > [log in to unmask]> wrote: > >> Thanks for this note! We had updated before this was sent out and >> couldn’t figure out why things were not working. >> >> We have not been able to revert the firmware to the previous version that >> was used for the original Spike app. >> >> I’m curious if anyone knows how to revert back? Or if there have been >> any updates on the newer app? >> >> Thank you! >> >> On Tue, Feb 7, 2023 at 2:50 PM Skip Morrow <[log in to unmask]> >> wrote: >> >>> *CAUTION: *This email originated from outside of JMU. Do not click >>> links or open attachments unless you recognize the sender and know the >>> content is safe. >>> ------------------------------ >>> VA DC FLL Teams, >>> Have you had a problem with your Spike Prime Gyro? Probably you were >>> trying to do a gyro turn, and the robot just kept spinning and spinning? I >>> have heard it from several teams and online, so it is a problem that is >>> somewhat widely known. >>> >>> I did some troubleshooting and found that if you hold the robot while it >>> is booting up, almost certainly your gyro will not work. However, if you >>> set the robot down for at least five seconds or so, it usually fixes >>> itself. Here's a video I took of the problem: >>> https://urldefense.com/v3/__https://www.youtube.com/watch?v=wdX1fRHu_nQ__;!!N6YHze6lT7thMl0!NAZfWuWYgsjGZI5eSJQguUVkPk43jDPJtdcgcHUcrhSUAsckU1vMLM-e_v8YDUM5dxGCaEYS3d_fZrI59STpP7GkowVObHyiJjzn$ >>> <https://urldefense.com/v3/__https://www.youtube.com/watch?v=wdX1fRHu_nQ__;!!N6YHze6lT7thMl0!OmMud02-6Py74xBxOmQnzieK3N7yOE2Rpygm3EqvO3FiziLSTKKT7_-m36LxIKmdFRTpNdbDAvlzLNc-ZyFIrHK9Dr3mfNRAp5Hk$> >>> >>> At the beginning, I mention a previous video, which doesn't have much to >>> add, but if you want to see it, here's the link: >>> https://urldefense.com/v3/__https://www.youtube.com/watch?v=PwnMR-q4M3Q__;!!N6YHze6lT7thMl0!NAZfWuWYgsjGZI5eSJQguUVkPk43jDPJtdcgcHUcrhSUAsckU1vMLM-e_v8YDUM5dxGCaEYS3d_fZrI59STpP7GkowVObC4Ieqla$ >>> <https://urldefense.com/v3/__https://www.youtube.com/watch?v=PwnMR-q4M3Q__;!!N6YHze6lT7thMl0!OmMud02-6Py74xBxOmQnzieK3N7yOE2Rpygm3EqvO3FiziLSTKKT7_-m36LxIKmdFRTpNdbDAvlzLNc-ZyFIrHK9Dr3mfN-K0qS8$> >>> >>> I have notified Lego technical support, and they have been super >>> helpful! I'd like to share the email exchange here >>> >>> *From Lego to me:* >>> >>> Hi Skip, >>> >>> Thanks for the video and the steps leading to the gyroscope issue when >>> running downloaded code! >>> >>> Here's an update of where we are in the investigation. We've been able >>> to reproduce this issue with word block coding consistently on multiple >>> robots with SPIKE Legacy firmware (HubOS 4.0.0.7). >>> >>> When following the steps previously outlined, the gyroscope data does >>> not update. Hub yaw/pitch/roll data is stuck at 0. >>> >>> For now, the workaround is what you've pointed out in the video. Add a >>> wait block right after the initial program start block. A minimum of 2 >>> second wait is needed. >>> >>> We are in the process of testing with Python and I suspect the results >>> will be similar to what you've already found. >>> >>> Also, interestingly, this issue is not reproducible with SPIKE App 3 >>> firmware (HubOS 1.2.10). >>> >>> Have a bricktastic day! >>> >>> >>> *My Reply:* >>> That is Awesome! I am glad that you were able to recreate the problem. >>> By the way, you can also mitigate the problem by just letting the robot sit >>> still for a couple of seconds before running the program. You don't have to >>> do it with a wait block/command. >>> >>> I am a little confused with the version numbers. You mentioned HubOS >>> 4.0.0.7, which is what I have on my hub, and that is obviously where we are >>> having the issues. But then you mentioned Spike App 3 and HubOS 1.2.10. I >>> thought Spike App 3 was the newest version??? But the HubOS 1.2.10 was a >>> lower number than what I have now??? Are you saying that I should upgrade >>> to Spike App 3? Or downgrade my HubOS to 1.2.10? Sorry for the confusion! >>> >>> >>> *Their final reply:* >>> >>> Good to know about just letting the hub wait/sit still for a few seconds >>> before starting the program. >>> >>> Also, I'm happy to clear up any confusion with firmware numbers. Yes, >>> SPIKE App 3 has a lower number! It's because SPIKE App 3 has a complete >>> rework of the firmware. So the versioning started a new. You can think of >>> SPIKE Legacy and SPIKE App 3 firmware as two separate tracks. >>> >>> >>> As for upgrading to SPIKE App 3, for FLL teams, we recommend holding >>> off for now because: >>> >>> (1) No auto-conversion of SPIKE Legacy projects >>> >>> So right now SPIKE Legacy projects are not compatible with SPIKE App 3 >>> and vice-versa. Our SPIKE app team is working on a converter for an >>> upcoming update in the Spring. >>> >>> (2) No Python >>> >>> A new Python API for SPIKE App 3 is being worked on. So it's not yet >>> ready for SPIKE App 3. It will be part of a future update. >>> >>> >>> *Final thoughts:* >>> >>> If you are having problems with your gyro, perhaps wait until Spring >>> when the new software will be released. If you really need your robots >>> right now, then absolutely be sure to boot the robot in a very stable >>> place. Or be sure to let it sit steady for a few seconds after booting. >>> >>> Also, do not update your robot to Spike App 3.x until further notice. >>> >>> Anyway, I thought this would be helpful to some teams. >>> >>> And have a Bricktastic Day! >>> >>> Skip Morrow >>> >>> Coach 24277 >>> >>> Norfolk Collegiate O.A.K.S. >>> ------------------------------ >>> To UNSUBSCRIBE or CHANGE your settings, please visit >>> https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or >>> leave the list". >>> VADCFLL administrative announcements are sent via >>> VADCFLL-ANNOUNCEMENTS-L. Visit >>> https://listserv.jmu.edu/archives/vadcfll-announcements-l.html to >>> subscribe. >>> >> -- >> Enjoy each moment! >> >> Deborah Heyward >> [log in to unmask] >> > -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". -- VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.