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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: 3840 |
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 Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 8579 |
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: 3840 |
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 Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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TassyJim Guru Joined: 07/08/2011 Location: AustraliaPosts: 5903 |
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  MMBasic Help |
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Geoffg Guru Joined: 06/06/2011 Location: AustraliaPosts: 3165 |
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: 5903 |
 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  MMBasic Help |
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CircuitGizmos Guru Joined: 08/09/2011 Location: United StatesPosts: 1421 |
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: 367 |
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: 367 |
 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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