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Forum Index : Microcontroller and PC projects : CMM2: non working wireless USB keyboard
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thwill Guru  Joined: 16/09/2019 Location: United KingdomPosts: 4248 |
Hi folks, The TECKNET 2.4G wireless USB keyboard that I bought specifically for my CMM2 does not work with it  - It work's fine with my Raspberry PI 3.Is there anything I can do to fix this ? I don't really want to return the TECKNET because it isn't their fault if it doesn't work with an obscure piece of hardware like the CMM2. Failing any that can anyone recommend a cheap, compact (no numeric pad) wireless USB keyboard that is known to work with the CMM2 ? Note that swapping out with the keyboard on my PI isn't helpful because whilst that keyboard (Logitech MK270 Wireless Keyboard & Mouse combo) does work with the CMM2 it still leaves me needing a replacement wireless mouse for the PI. Best wishes, Tom MMBasic for Linux, Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 10035 |
With the CMM2 on and running plug in the dongle. Does the red light come on (top LED)? Then please plug the dongle into a PC and see if it shows a single device or a hub. The STM32 does not support hubs - nothing I can do about this. I tend to use wired keyboards but have got a very old wireless that works fine. Others in the development group can comment on what they are using: Phil, Jim, Geoff, Rob, Martin, Mauro, Graeme? |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 4248 |
Thanks for replying. No, the red light does not light with the TECKNET, it does with the Logitech. Device Manager shows the TECKNET as a "USB Composite Device" AND an "HID Keyboard Device" (and possibly others that I haven't noticed) ... exactly the same as the Logitech keyboard. Phil (superb customer service) has offline recommended a Logitech K400, but I may well go for the cheaper option of using the new keyboard with the Pi + a new standalone wireless mouse. Thanks again, Tom MMBasic for Linux, Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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TassyJim Guru Joined: 07/08/2011 Location: AustraliaPosts: 6213 |
I am using a cheap Logitech K270 wireless KB. It's physically on the small size so is a good choice. My cheap wired Microsoft 600 KB also works well. My HP wireless KB worked but had issues with some key combinations so wasn't useable. Jim VK7JH MMedit |
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Geoffg Guru Joined: 06/06/2011 Location: AustraliaPosts: 3267 |
I use an up market Logitech wireless keyboard and it is great. Geoff Graham - http://geoffg.net |
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| TassyJim Guru Joined: 07/08/2011 Location: AustraliaPosts: 6213 |
 I was shocked to find that this one does work. It's a heap of doggy-do so wouldn't recommend it but it does work - not the mouse part. Jim Edited 2020-05-15 09:12 by TassyJim VK7JH MMedit |
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CircuitGizmos Guru Joined: 08/09/2011 Location: United StatesPosts: 1427 |
I tested an old logitech wireless keyboard originally. I don't know the model as I don't have it anymore. Micromites and Maximites! - Beginning Maximite |
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| Paul_L Guru Joined: 03/03/2016 Location: United StatesPosts: 769 |
After decades of banging on mainframe keyboards I can't use any of these chiklet things. If it doesn't sound like a 1948 Hudson going over a New Jersey railroad crossing ... forget it. I have four of the Unicom classic models which use the original IBM Buckling Spring capacitive switch. They weigh a ton, they don't move around on the desk, and they last forever. When they do break Unicom will rebuild them for less than half the cost of a new one. The employees of Unicom got together and bought the original IBM production tooling and rights to the patents. www.pckeyboard.com Paul in NY Edited 2020-05-16 21:40 by Paul_L |
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Nimue Guru Joined: 06/08/2020 Location: United KingdomPosts: 369 |
For what its work -- bought an el-cheapo 2.4GHz keyboard and mouse Rii RK700 -- all works fine. Link: (not an affiliate link - just a plain old link) https://www.amazon.co.uk/gp/product/B01NAS4LCZ/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Forgive my newbie ignorance -- is there a maintained "compatibility" list for the CMM2 that we can add these to? Cheers Nim Entropy is not what it used to be |
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| Nimue Guru Joined: 06/08/2020 Location: United KingdomPosts: 369 |
 Exactly the same here - should have checked the forum first. Fortunately the Amazon return process is simple -- literally 18hrs later and I have a RII RK700 (see link above) -- all good. Nim Edited 2020-08-11 19:26 by Nimue Entropy is not what it used to be |
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| capsikin Guru Joined: 30/06/2020 Location: AustraliaPosts: 341 |
The closest thing I'm aware was a previous thread, Keyboard complaints with CMM2 We could start one on the fruitoftheshed CMM2 wiki though, I've made a page for it: CMM2 Keyboard compatibility (let us know if you can't access it, some people have had to have access issues fixed) Edited 2020-08-11 19:56 by capsikin |
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