Eric
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That error doesn't appear relevant to any MetaWear code. Use the debugger to check that your variables aren't null and make sure you have declared the MetaWear service in your manifest file.
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There are general macro test cases but none specifically for this example. https://github.com/mbientlab/MetaWear-SDK-Cpp/blob/master/test/test_macro.py https://mbientlab.com/cppdocs/0/macro.html
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You would have to set that up yourself. We do not support normal Java.
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Import the missing module with pip
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As far as I am aware, they are. Depending on your use case, it is migjt be better to use the macro system to program the calibration data onto the boards themselves.
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* What settings are you using for the multimeter? * What multimeter are you using? * How are you connecting it to the board?
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This has been corrected in v3.7.1
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Yup, the conditional in question should be negated. Thanks for bringing it to our attention.
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The board has an HCD pin you can use to drive haptic devices. Check your board's datasheet to find where on the board the pin is located. https://mbientlab.com/documentation/ If you aren't experienced with soldering micro-electronics, MbientLab…
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@ErykMAT said: Hi Eric and gjhannam23, I am having the same problem, followed the tutorial, and get: Quoting my previous post: @Eric said: Before that though, did you go through the Windows Installation section?
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@fbytr said: Thanks for your reply, What I mean by the latency is time delay between the movement of the sensor and the observation on my computer. That depends on connection interval negotiated between the device and your host BT adap…
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Do you have a buzzer attached to the board?
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Dunno, pip.exe in under the Scripts folder on my machine. It could be a PATH env issue. Since you did have pip working already, you probably don't need to go through the pip setup sections. Before that though, did you go through the Windows Ins…
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* What do you mean by latency? * Depends on how fast you are sampling data. 100hz each should last you 8 hours. *The data sheet provides sensitivity values in table 3. If that's not what you are looking for, you will probably be able to get a be…
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Follow the prereqs in the tutorial: https://mbientlab.com/tutorials/WPython.html#prerequsites
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https://mbientlab.com/androiddocs/3/data_route.html#reaction https://mbientlab.com/androiddocs/3/data_route.html#comparator
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Post a minimal script that reliably replicates this issue and a log of the BT adapter activity when it happens. What language are you using for your workflow?
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Regarding the faulty board, does it show up on any device if it is not attached to the USB cable? You can also increase the tx power to 4dbm. It is possible the antenna is faulty. If the increased tx power doesn't improve the performance, fill …
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Try refreshing the gatt services with the nRF connect app.
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use the macro functions
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@patrice said: here it is : mbl_mw_datasignal_subscribe(quaternion, bridge(obj: self)) { (context, dataPtr) in let _self: DeviceViewController = bridge(ptr: context!) let quat_rate = dataPtr!.pointee.valueAs() as MblMwQuaternion //print(…
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* Do you have better luck if you keep it to 6 devices per process? * Depends on what sensore you are using. For example, IMUs stream data, temperature requires polling * I do not recommend concurrently using a MblMwMetawearBoard object from multi…
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We do not support direct manipulation of the byte commands / responses. Use either the Python, JavaScript, or C# library to interact with the board on desktop Linux.
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There is no "stop haptic* command currently implemented.
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Contact customer support. They can provide you with a clean image. https://mbientlab.com/contact
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@pwwooldridge said: @Eric said: I have not been able to replicate the init status 64 error in my VM or on our Pi. Record the BT adapter activity when you encounter this error and post it in the thread; I add…
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Odd, neither belong there in that script. We will refactor said script.
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@patrice said: Thanks Eric, I tried with this value instead of 20 but It doesn't change anything... Then I guess that mbl_mw_dataprocessor_time_create is not called where it should... What does your call to mbl_mw_datasignal_sub…
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I have not been able to replicate the init status 64 error in my VM or on our Pi. Record the BT adapter activity when you encounter this error and post it in the thread;
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https://mbientlab.com/community/discussion/comment/7158#Comment_7158