# General **URL:** https://forum.backyardbrains.com/c/general/4.md [Latest](https://forum.backyardbrains.com/latest.md) · [Categories](https://forum.backyardbrains.com/categories.md) · [Tags](https://forum.backyardbrains.com/tags.md) --- ## [Welcome to our community!](https://forum.backyardbrains.com/t/welcome-to-our-community/7)
**Author:** [@system](https://forum.backyardbrains.com/u/system)\ **Replies:** 0\ **Last updated:** [December 9, 2022, 7:17pm UTC](https://forum.backyardbrains.com/t/welcome-to-our-community/7 "2022-12-09T19:17:59Z")
A place to discuss neuroscience and education. Talk about existing experiments, or suggest new ones, share your projects and ask for help and advice. Click here to see a list of all of the experiments Check out our kn… --- ## [About the General category](https://forum.backyardbrains.com/t/about-the-general-category/3)
**Author:** [@system](https://forum.backyardbrains.com/u/system)\ **Replies:** 0
--- ## [How to reduce the noise as much as possible in your recordings](https://forum.backyardbrains.com/t/how-to-reduce-the-noise-as-much-as-possible-in-your-recordings/38)
**Author:** [@Ivan](https://forum.backyardbrains.com/u/Ivan)\ **Replies:** 1\ **Last updated:** [August 18, 2026, 5:55pm UTC](https://forum.backyardbrains.com/t/how-to-reduce-the-noise-as-much-as-possible-in-your-recordings/38 "2026-08-18T17:55:24Z")
First, it’s worth checking if your device is connected to Spike Recorder, and that you’re not just recording audio instead of the data from your SpikerBox. Here are some tips on how to lower the noise during recording… --- ## [Can Plant SpikerBox detect electrical signals in plants other than Mimosa or Venus flytrap?](https://forum.backyardbrains.com/t/can-plant-spikerbox-detect-electrical-signals-in-plants-other-than-mimosa-or-venus-flytrap/142)
**Author:** [@wonhoahn353](https://forum.backyardbrains.com/u/wonhoahn353)\ **Replies:** 3\ **Last updated:** [June 23, 2026, 1:42pm UTC](https://forum.backyardbrains.com/t/can-plant-spikerbox-detect-electrical-signals-in-plants-other-than-mimosa-or-venus-flytrap/142 "2026-06-23T13:42:04Z")
Hello, I am interested in using the Plant SpikerBox and have a question regarding its applicability to different plant species. Most demonstrations seem to focus on Mimosa pudica and Venus flytrap because they are know… --- ## [I have an EEG headband do I need the electrode gel i dont want to buy it](https://forum.backyardbrains.com/t/i-have-an-eeg-headband-do-i-need-the-electrode-gel-i-dont-want-to-buy-it/133)
**Author:** [@kingbenji377](https://forum.backyardbrains.com/u/kingbenji377)\ **Replies:** 4\ **Last updated:** [May 28, 2026, 10:41am UTC](https://forum.backyardbrains.com/t/i-have-an-eeg-headband-do-i-need-the-electrode-gel-i-dont-want-to-buy-it/133 "2026-05-28T10:41:32Z")
I have an EEG headband do I need the electrode gel I don’t want to buy it because it is too expensive. --- ## [Classroom set of spikerbits?](https://forum.backyardbrains.com/t/classroom-set-of-spikerbits/131)
**Author:** [@dlee](https://forum.backyardbrains.com/u/dlee)\ **Replies:** 4\ **Last updated:** [March 19, 2026, 7:34pm UTC](https://forum.backyardbrains.com/t/classroom-set-of-spikerbits/131 "2026-03-19T19:34:03Z")
Is there a classroom set price for the spiker:bit kits? I saw it earlier, but now I don’t see it. I already have microbits; does V 1.5 or V 2 work with the system? Does the standard microbit AAA battery pack sufficien… --- ## [Spiker:bit capable of being programs for plants?](https://forum.backyardbrains.com/t/spiker-bit-capable-of-being-programs-for-plants/130)
**Author:** [@mwatson](https://forum.backyardbrains.com/u/mwatson)\ **Replies:** 1\ **Last updated:** [March 18, 2026, 2:40pm UTC](https://forum.backyardbrains.com/t/spiker-bit-capable-of-being-programs-for-plants/130 "2026-03-18T14:40:07Z")
If I have a spiker:bit could it be programmed to collect data for plants as well? similar to the plant spikerbox? Kinda hoping for an all-in-one device if that’s possible. --- ## [Y-maze for slime mold experiment](https://forum.backyardbrains.com/t/y-maze-for-slime-mold-experiment/126)
**Author:** [@shokan](https://forum.backyardbrains.com/u/shokan)\ **Replies:** 4\ **Last updated:** [March 5, 2026, 9:25pm UTC](https://forum.backyardbrains.com/t/y-maze-for-slime-mold-experiment/126 "2026-03-05T21:25:23Z")
In your The Slime Mold Chronicles you used a green colored plastic frame to create a Y-shaped maze. Can you share where I can get that from (don’t see it on your store). I had an experiment with Physarum where I need to… --- ## [\[SOLVED\] Windows 11 Blocking SpikeRecorder Install ("System administrator has set policies...")](https://forum.backyardbrains.com/t/solved-windows-11-blocking-spikerecorder-install-system-administrator-has-set-policies/128)
**Author:** [@marija](https://forum.backyardbrains.com/u/marija)\ **Replies:** 0\ **Last updated:** [February 25, 2026, 3:58pm UTC](https://forum.backyardbrains.com/t/solved-windows-11-blocking-spikerecorder-install-system-administrator-has-set-policies/128 "2026-02-25T15:58:27Z")
Hey fellow Backyard Brains users! :brain: If you’re trying to install the latest version of SpikeRecorder on a new Windows 11 machine and hitting a brick wall, you’re not alone. I recently ran into this and wanted to sha… --- ## [A Quick Guide to Shipping Times and Customs Fees](https://forum.backyardbrains.com/t/a-quick-guide-to-shipping-times-and-customs-fees/83)
**Author:** [@marija](https://forum.backyardbrains.com/u/marija)\ **Replies:** 1\ **Last updated:** [December 10, 2025, 4:14pm UTC](https://forum.backyardbrains.com/t/a-quick-guide-to-shipping-times-and-customs-fees/83 "2025-12-10T16:14:14Z")
When Will I Receive My Order? Domestic Orders (U.S.) We ship using FedEx Ground from our office in Ann Arbor, Michigan. Delivery typically takes 1–7 business days, depending on your location and the shipping option selec… --- ## [Spiker:bit Multiple Limb Sensing](https://forum.backyardbrains.com/t/spiker-bit-multiple-limb-sensing/111)
**Author:** [@frankhs1999](https://forum.backyardbrains.com/u/frankhs1999)\ **Replies:** 1\ **Last updated:** [December 1, 2025, 12:22am UTC](https://forum.backyardbrains.com/t/spiker-bit-multiple-limb-sensing/111 "2025-12-01T00:22:12Z")
I have several working sensor cables for Spikerbit from sensor pads to expansion board with Micro:bit. I want to apply sensor patches on both arms (3 patches on each) and input via a 5X hub to the 3.5mm input on Spiker:b… --- ## [Tutorials/Experiments Spiker:bit Only?](https://forum.backyardbrains.com/t/tutorials-experiments-spiker-bit-only/117)
**Author:** [@frankhs1999](https://forum.backyardbrains.com/u/frankhs1999)\ **Replies:** 1\ **Last updated:** [December 1, 2025, 12:19am UTC](https://forum.backyardbrains.com/t/tutorials-experiments-spiker-bit-only/117 "2025-12-01T00:19:39Z")
Please give me a link to your tutorials / experiments for only the Spiker:bit. I do not have Spiker:box or any other of your hardware, just Spiker:bit. I do see MakeCode blocks in your extension for several functions but… --- ## [HHI not generating impulses](https://forum.backyardbrains.com/t/hhi-not-generating-impulses/99)
**Author:** [@lbfarrell36](https://forum.backyardbrains.com/u/lbfarrell36)\ **Replies:** 1\ **Last updated:** [August 28, 2025, 6:04pm UTC](https://forum.backyardbrains.com/t/hhi-not-generating-impulses/99 "2025-08-28T18:04:57Z")
Hi all, having an issue with a HHI device where it is generating only extremely weak shocks no matter the intensity setting. The “master” side works fine and plenty of signal is received judging by the lights, however th… --- ## [Do You Accept Purchase Orders (PO)?](https://forum.backyardbrains.com/t/do-you-accept-purchase-orders-po/79)
**Author:** [@marija](https://forum.backyardbrains.com/u/marija)\ **Replies:** 2\ **Last updated:** [August 6, 2025, 8:04pm UTC](https://forum.backyardbrains.com/t/do-you-accept-purchase-orders-po/79 "2025-08-06T20:04:41Z")
Yes, we accept purchase orders! If your organization prefers to order via PO, we’re happy to accommodate. Below are the details and steps you need to follow: PO Requirements All purchase order documents must: Be in P…