Laura
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Can you please send more info. Is this replicable? Sounds very odd like maybe in an orientation of some kind there is interference? I don't have any information to comment more but would appreciate pics/details.
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You can try to run the calibration scheme.
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Did you update your App with the latest APIs? You will need to update but it should be relatively minor/trivial.
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The IMUs do not know anything about each other. Only the master device (like a computer or phone) knows anything about all the IMUs. IMUs don't show location like a GPS. They show change in motion.
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To put the device to sleep call: mbl_mw_debug_enable_power_save(device.board) Then to wake it up you have to press the button OR plug it in to charge (or re-insert coin cell batt)
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Here you go.
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We don't allow retrieving subsets of data.
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I've noticed sometimes I need to wait/pause a second before issuing the mbl_mw_led_play() command. Can you add that to your code and see if it makes a difference?
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1) I don't think that is possible 2) limit? which api call?
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As far as I know BOSCH doesn't have magnetic calibration. Supposedly initial calibration is done at the factory and then again based on the sensor fusion mode you are using (but it's just based on whether or not the magnetometer is used or not). Wh…
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So it's the default settings of BLE 5.0 that sets the initial tx mode to a low setting. We unfortunately can't do anything about that but you can still use our API call to set the tx mode higher.
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Working on it. Planned for the end of this month.
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Can you connect to the device again and go ahead and update the firmware?
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You should be able to log both if you write your own app (just not with our own app). Everything is open source so just look at the code and customize it yourself.
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Unfortunately the BOSCH folks keep all of their algorithms completely closed-source. We don't get access to ANYTHING. You can always run your own kalman filter in software.
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Did you follow the troubleshooting steps on the website? Can you report back with more information on what worked and what didn't? Also if you have a generic Bluetooth scanner app, does it show the MetaWear advertising?
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No, this firmware was MMS specific.
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I update to the latest versions for everything.
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don't do pod MetaWear, :subspecs => ['UI', 'AsyncUtils', 'Mocks', 'DFU'] do pod MetaWear basically, remove the subspecs part of the line.
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I may not have this enabled in the current metahub. I looked at the code and there is no dongle related inputs. I will have do add this functionality in the future.
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If you have an error, it is because of bad code.
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Yes, just check an example for logging and update the code accordingly.
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implementation 'com.mbientlab:metawear:3.8.2'
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https://www.dropbox.com/s/g2jeb7n0qyeodrr/MetaHub.img.zip?dl=0
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Can you email me at hello[at]mbientlab and give me the info about your order, your puffy battery and so on (include this thread and a pic and history of usage). We might be able to send you a replacement battery if you feel comfortable soldering a n…
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Take a look at the epoch instead, don't use the time elapsed. Also note this is all within the acceptable error rate for bosch sensors + bluetooth latency.
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I just updated the Java and python examples with the latest SDK. Check those out. I won't get around to update the CPP docs until later in July since I am working through Android and USB code right now.
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Unfortunately saving data to files is not in the scope of the MetaWear APis. You just need to fine a proper tutorial on the net. Shortly, I will be putting the MetaBase Java App source code online (on github). This does have a save file functionali…
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You need to add the dongles to the .json Right now, one dongle is doing all the work and it's too many connections at once.
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Yes, you can log based on events using our events/macro system. 1) You could start it on an event like a push button 2) No, you have to turn it on 3) The passthrough is a good idea 4) Use the BMI270 specific class, the bmi160 and bmi270 do not h…