Support

General

 


Boarding and Casing

The video demonstrates how to connect the battery to the board and place the assembly in their case. Follow simple steps as mentioned in the video and get going.

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Mounting for Pedestrian Navigation

oblu's performance as shoe-mounted pedestrian navigation device, is sensitive to its mounting. Point to note - It must be firmly mounted / attached with the shoe. It must not shake with foot movement. We have been recommending this scheme for good results. The easy-to-use elastic band holds your device firmly.

Tracking performance also depends upon wearer's gait and hence many other factors which could influence wearer's gait like type, design & fitting of shoe, terrain, physiological & psychological factors etc. In a nutshell, firm footing results in good tracking performance.

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Embedded Programming


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Programming the main controller

This video demonstrates all the necessary instructions, in extremely simple and interactive way, required to program (i.e. update the embedded code of) oblu using Atmel Studio 6.2

Please visit Support-->Resources section to obtain code, programming instruction manual and other resources.

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Installing Bootloading Software

The video displays the steps required for installing the bootloader setup on the PC. The setup must be done for flashing embedded's binary on to the controller.

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Bootloader Programming

This video demonstrates how to program the controller using USB cable.

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Bluetooth (BLE) Programming

The video displays the programming of Bluetooth BLE module.

Please visit Support-->Resources section to obtain download links, codes etc.

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Calibration



How to calibrate

The "IMU array calibration method" estimates inter IMU misalignment and the gain, bias, and sensitivity axis non-orthogonality of the accelerometers. And correspondingly, there is calibration compensation in the embedded software.

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MIMUscope



Analyzing oblu as a precision IMU

This video demonstrates acquisition and plotting data of the onboard inertial sensors, using USB, in precision IMU mode. In the precision IMU mode, data from multiple IMUs are fused.

Connect oblu to computer, with USB data cable. By performing simple modifications in the settings, real time graphs can be obtained.

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Raw Data

Using the procedure shown in the video, one can plot raw data, either for all or for individual IMUs. Data acquisition and plotting takes place offline.

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Calibrated Data

This video covers all the necessary instructions, in extremely simple and interactive way, required to obtain the calibrated data, offline.

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Pedestrian Dead Reckoning

PDR is the process of computing one's present position with the help of a previous position. With the help of MIMUscope, one can easily track and plot the graph in 2D and 3D formats.

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Calibration File

This video demonstrates how to overwrite oblu's calibration parameters using MIMUscope. The settings, i.e the overwritten calibration parameters, would remain effective in the board as long as the board is powered up after applying the settings. The settings would be ineffective and the originally programmed settings would take over soon after powering off the board.


Please visit Support-->Resources section to obtain calibration scripts and instruction manual.

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Xoblu



Tracking and Plotting with Xoblu (1)

The video demonstrates easy monitoring and tracking of the traversed path with the help of Xoblu (android app). The app comes with the advantage of aligning the traversed path with the track path (background). One can use the features of tagging with pictures and text. One can even stop and continue the session later. Follow the simple steps to get the final graphs and track your progress.

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Tracking and Plotting with Xoblu (2)

This video gives you the complete overview, with steps, how to use Xoblu application for your easy pedestrian tracking. The background track is not present in the view, as in the previous video, for your clear understanding of the differences of its features. The choice is completely yours.

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