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The open-source software uses an Ubuntu image which can be downloaded from our repository. This image contains the operating system and code that will run on the Rasberry Pi. Once downloaded, unzip the image file. Insert your microSD card into your computer using the SD card adapter. We will transfer the Ubuntu image to the microSD card using a free program called balenaEtcher. Install this software and open it. Select the image location that you downloaded, select the microSD card as the drive to install to, and click “Flash!”. Once this has completed, you can eject the microSD card and insert it into the Raspberry Pi. You have finished installing the software and are ready to assemble the hardware.
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The OpenSenseRT System consists of hardware components including a Raspberry Pi microcontroller and associated parts, one IMU placed on each tracked body segment, velcro straps to attach the IMUs, and pre-made wires to connect the IMUs to the Raspberry Pi. Feel free to browse the full list of components with suggested vendor links when purchasing, but note that the number of IMUs and the other straps required to mount the IMUs will depend on which body segments you will be measuring. The bill of materials suggests vendors for components. The system was validated with the Adafruit ISM330DHCX IMU, but due to limited availability we have added support for the Adafruit LSM6DS33 and LSM6DSO32 IMUs (links provided in the bill of materials).
To help simplify assembly we have created a video tutorial rather than text instructions. Please follow the steps in the assembly video.
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