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Overview
Frequently-asked Questions
MEMS accelerometers featuring even lower noise levels than the ISM330DHCX continue to
emerge, but also continue to be very expensive. KauaiLabs actively researches these technology
developments – efforts that led to the selection of the ISM330DHCX for navX2-MXP – and
projects that MEMS technology that is both (a) low noise (1 micro-g per square root hertz) and (b)
available at low cost will likely occur in the next decade, but technology has not advanced to this
point yet. KauaiLabs plans to develop a product which can be used for accurate accelerometer-
based dead-reckoning at that time.
All that said, the navX2-MXP Displacement estimates are far more accurate than those possible
wit the "Classic" navX-MXP, and with very careful mounting and under controlled
circumstances, navX2-MXP Displacement estimates may be sufficient for tracking robot position
in certain cases; however we believe other technologies are likely more appropriate for most FRC
teams.
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