Basecam Electronics GPS IMU V.1.0 Reference
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Basecam GPS IMU V.1.0GNSS-aided AHRS/IMU moduleFeatures• Integrated GNSS-antenna for a compact size• Full set of navigation sensors: 3-axisgyroscope, 3-axis accelerometer, 3-axismagnetometer, barometer (altimeter), GNSSreceiver (concurrent Galileo, GLONASS,GPS / QZSS)• Powerful MCU running UKF for a sensorfusion at high rates• Thermal stabilization helps to keep highprecision with the change of environmentaltemperatures• Interfaces: UART, USB, CAN*, I2C*• Onboard SD card for a high-rate datalogging with the actual date-timeinformation and flexible set of data to log• Backup battery for a GNSS "warm start"mode and real-time clock• Open serial API protocol allows using thissensor in various applications• Compatible with all versions of theSimpleBGC32 controllers**• Functionality will be constantly improvedby the firmware updates• Cost-effective solution compared to otherGNSS-enabled solutions on the market* CAN and I2C interfaces will be implemented in futurereleases of the firmware** For full support of all functions of the Basecam GPS IMU, it'srequired to update the main controller's firmware to theversion 2.68b7 and above.OverviewThe Basecam GPS IMU is an GNSS-aidedcompact AHRS/IMU module developed byBasecamelectronics company to work as anexternal IMU sensor* with all versions ofSimpleBGC32 controllers. It has much betterprecision compared to the internal IMU sensor,that allows improving precision of stabilizationin demanding applications, where the regularIMU sensor does not work reliably.GPS IMU connects to any free UART port of themain controller and provides precise attitudeand heading information, that can be used as areference to correct the internal IMU sensor,solving its common problems: gyroscope drift,an affection of linear accelerations, drift causedby the changes in environmental temperature.*Note that currently GPS IMU module does not replace theregular IMU sensor, though this functionality may beimplemented in future.Document revision: 1.0.58 (20. May. 2019)Hardware version: 1.1Firmware version: 1.0© Basecamelectronics® 2019 www.basecamelectronics.com |
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