For those of you who have had wireless pendant issues mine was very intermittent with connection and kept turning on and off. Had a peak and noticed the battery connection bit had broken solder joints. I know no one wants to fix something that came broken but this took me less time to fix than the solder iron took to warm up. Pulled the 4 small philips screws out and had to pop the rear cover off. By this time the battery contact had completely broken off the board. I placed it back on and it fell right into place. Soldered the back 3 legs and then the front two. I used some no clean flux but the joints were very clean and you could easily get away with plain solder. Works as advertised now.
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Had the same issue with mine.
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THats actually great to know. I literally took 3 to make 1. I posted that these are garbage but they removed the post. These are very cheap and I am looking into the Xbox controller
Same issue here. Quick fix.
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I had the same issue, 5 minute fix. I was going to see if they would send me a new one, but didn’t want to wait. 
I’m certainly having issues with the pendant, but I pulled it apart and all the solder joints look good 
I guess just motivation to build a better solution
I purchased one on Amazon, it feels sturdy, it doesn’t have a removable battery and the power switch feels better also It also comes with a cable with a additional USB slot so you can charge the controller if you’re using the Langmuir mini computer. Here is my affiliate link if you’re interested Amazon.com
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Sorry, somehow I put two pictures of the front. The one on the left is the one from Amazon and it’s made by Rii
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I use the same one. It has worked flawlessly for me. Much better quality than the supplied version.
I bought two more for my Pro and kept one as a spare. I got different color ones for the different machines. 5 stars
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No, I don’t believe so. MR1 uses a totally different control strategy.
Somebody posted this on Facebook, so I picked one up. Overall it’s very simple, and highly customizable. I haven’t had a chance to use it yet, but it’s full of features!
I’m a little late to the party, but thanks @VGT for posting this up.
Was having fits with the pendant while doing the first few moves with the machine, popped the battery cover off and the contact was barely (if at all) making contact.
A quick touch with the soldering iron and got all of the prongs set in nicely. Works like a charm now!
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mine had the same issue, just soldered it tonight and its working. I was using it as a wired pendant till now lol
That’s what I was going to buy. They make a wireless version also
I just bought the Rii version of this mini keyboard from Amazon. This controller is not even on the same page as the langmuir version.
Rii 2.4GHz Mini Wireless Keyboard with Touchpad＆QWERTY Keyboard, Backlit Portable Keyboard with Remote Control for Laptop/PC/Tablets/Windows/Mac/TV/Xbox/PS3/Raspberry Pi .(Black) https://a.co/d/fH6G2uW
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You can get them in several colors also. I have a blue one for the mill. And a yellow one for the plasma table. They are 5 stars.
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Are you still giving them a 5 star after a few month?
Still working perfectly. No issues at all.
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I think I may go that route as well.
Months after the “fix” the included pendant seems to have bricked itself. Won’t charge and won’t connect to the dongle.
Time for a better version I believe