Open source hardware wireless EMG device with wet and dry electrodes, used with a bracelet or stuck to skin directlyDesigned by Ultimate Robotics in Ukraine
November 26, 2022 update We had blackouts, so we'll be shipping the first orders with a delay - hopefully by Monday. Check out our post about the blackouts here! What is it? It's a first ever open s…Read More…
We had blackouts, so we'll be shipping the first orders with a delay - hopefully by Monday. Check out our post about the blackouts here!
It's a first ever open source hardware wireless EMG wearable device with hybrid wet and dry electrodes - as far as we know of. We've been working on uMyo for some time, and we know a lot of people have been waiting for it. Well, the wait is finally over! You can read more about uMyo development on our Hackaday blog. It's also our second device that we will be selling, besides uECG.
There were open source EMGs before (most prominent example is Sparkfun Myoware), but they weren't wireless, which is absolutely critical for signal quality. And there were wireless EMG devices (like Myo Armband), but they weren't open source. And none of them had possibility to work with dry and wet electrodes on the same device.
One uMyo device is a single-channel EMG. It's lightweight and inexpensive, and it's also modular - you can combine several devices and get multi-channel EMG. It can be used as a development platform for projects using muscle signals, for research, rehabilitation, or to control things on a computer or in the real world. It would be most useful to researchers and students, makers and hardware/software developers, and medical professionals, especially the ones working with physical therapy.
We are launching sales of the first batch of 50 devices and although we've tested it extensively, it's best to consider this version a beta and intended for testing and development. Doesn't mean that it doesn't have great signal and nice features, just that there is a lot of unknowns until people use it, and also that it can be made more convenient with better materials and parts in the future. First orders will be shipped with a slight delay (around November 24-25), and then will be shipped as usual.
The pricing can change a bit on further batches. It can go up or down, but we do not expect it to be radically different, as our goal is to make uMyos affordable. Our priority right now is that everyone who has been waiting for a new EMG sensor for their projects could get a device (or two) to test and experiment with. You can actually order up to 3 devices, and we even lowered base shipping rate for that, primarily because of Europe customs limit, but also for the rest of the countries. However, for testing purposes it would be best if more separate people could order and experiment the devices. And also, we don't really have tutorials for multiple devices yet. So it's best to only order 2+ devices if you know what you're doing.
Please don't order more than 3 devices to Europe, as this will go over 150 EUR customs limit! If you do that, we will refund the order, as we can't ship them for now. For UK: additionally, please don't order more than 2 devices to the UK, as only EMS shipping is available to your country and shipping with it will go over the customs limit. Please read general disclaimer about Europe below.
Feedback: We really need your feedback on this one! We plan to launch Discord server in the nearest future, but until then, please feel free to write in the Hackaday project comment section. You can also contact us here on Tindie, on any of our social networks (links are here), or by email: firstname.lastname@example.org
Disclaimer about batteries: uMyos are sold without the lipo battery! You can use ones you have at hand or buy a new one from somewhere. You'll want the ones with 2 mm JST connectors - we have some product links on this Hackaday post. Because of this decision, we were able to lower the device cost and sell it to you cheaper, and it greatly simplifies the logistics. This is because we have to ship batteries to us by sea and it's very slow, and then there are some issues with shipping them to buyers by air, because postal services don't like to ship batteries inside packages, especially more than one. Besides, a lot of people already have lipo batteries at home from other projects.
Disclaimer for buyers from Europe: 1) You'll have to pay VAT when receiving the package. Tindie doesn't have IOSS yet (like eBay, Etsy and other major platforms), so we can't collect VAT when you order. Sorry for that! 2) For now, please don't order more than 3 devices to Europe so the total order (including shipping) doesn't go over 150 EUR. We adjusted the prices so 3 devices can still fit, plus shipping. Also, because of that, we currently only offer standard air mail for Europe, as to not go over the limit. It should be still rather fast these days, at least until New Year.
Disclaimer for buyers from the UK: The above rules about Europe apply. Additionally, please don't order more than 2 devices. Because standard air mail does not track reliably for the UK, we can only ship to you with EMS, and this will make the order amount go over 150 EUR limit.
Sorry for all of the limits! Hopefully it will change in the future, but we have to set them for now.
If you're not from Europe, proceed normally.
Now that the introduction is over, here's more details about the device!
You can either order uMyo full kit with bracelet, or just uMyo, or mix those two options. If you want 1 uMyo kit and also want to add some more separate uMyos, make sure to put them into cart one by one!
Standard kit includes:
uMyo only includes:
Bracelets: 25x380 (longer) option is for average and larger arms, 25x290 (shorter) is for smaller arms. Smaller arms are roughly the ones around 25 cm (10 inches) and down in circumference if you measure right below the elbow. If your circumference is over 25 cm, probably choose the 380 option. We didn't know how many bracelets to get of each color, so we're testing for now. We're very interested to see which ones you like! The smaller bracelets don't have orange color cause our supplier run out of them suddenly.
If you're adding into cart "Just uMyo" option, please also choose "No bracelet". If you forget to change it, don't worry, in this case we'll just not ship it. We can't change the bracelet options automatically depending on kit unfortunately, sorry for that :(
Looks like that's it. We're excited to see you test uMyo!
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We will normally ship your order within 3 days. Sometimes it takes less, but sometimes it may take a bit longer if there's a lot of orders, or if there's blackouts (our postal office may work slower then).
The postal service and shipping times are rather stable. Here's the most recent statistics for popular countries from our postal service website: Sept 2022 shipping times
It's in Ukrainian, so for reading it, you have to translate your country name into Ukrainian and then search with Ctrl + F in the PDF - but then you'll be rewarded with rather precise shipping time to your country! For usual air mail, you have to look in "дрібний пакет звичайний" table (larger table starting on 2nd page), and for EMS, in the EMS one (1st page). The colors mean the percentage of packages that arrive in certain number of days. Blue - arrives under 14 days, green - from 14 to 21 day, yellow - from 21 to 28, and orange - over 28 days.
We'll be updating the link once it's updated on the website.
It's best to check the real shipping times using the link above.
Ukrposhta (10-70 days) Standard international air mail. If you are from Europe or the US - it's a good option, as it will take around 2-3 weeks. Most other countries take longer (mostly relative to distance).
EMS (7-35 days) EMS is shipped by air and is an express version of regular Ukrposhta air mail. It takes priority over other postal services (it's processed faster). It's on average around 30% faster than the regular one.
Packaging: We ship stuff safely packed. We first put it into a box and fix with cardboard inserts, then fill with crinkled paper. This box we then put into an external shipping box made from corrugated cardboard and filled with packaging brown paper, which we then wrap in cling film and fix with tape. End dimensions of package is around 200x150x90 mm for 1-2 device orders and larger for 3 or more devices.
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