UM6-LT Orientation Sensor

UM6-LT Orientation Sensor
Pololu item #: 1256 0 in stock

This product has been discontinued.

This board has been replaced by the UM7-LT.

The UM6-LT ultra-miniature orientation sensor from CH Robotics is an OEM version of their UM6 orientation sensor, providing equivalent functionality without the enclosure or connectors. Like the UM6, it uses rate gyros, accelerometers, magnetic sensors, and an on-board 32-bit ARM Cortex processor to compute sensor orientation 500 times per second. Sensor orientation is reported using either quaternions or Euler angles over a TTL serial interface at user-customizable rates.

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Discontinuation Notice: This module has been replaced by the UM7-LT.

Overview

The UM6-LT ultra-miniature orientation sensor—also known as an Attitude and Heading Reference System, or AHRS—from CH Robotics is an OEM version of their UM6 orientation sensor. Like the UM6, it uses rate gyros, accelerometers, magnetic sensors, and an on-board 32-bit ARM Cortex processor to estimate the absolute sensor orientation 500 times per second. Sensor orientation is reported using either quaternions or Euler angles over a TTL serial interface at user-customizable rates. A USB-to-serial adapter can be used to connect the IMU to a computer running the free CH Robotics Serial Interface PC application, which allows for easy data visualization, board calibration, and UM6-LT settings configuration.

The UM6-LT is functionally identical to the UM6 (it uses the same firmware and works with the same PC software). The only difference is that the UM6-LT lacks the UM6’s enclosure and 4-pin connector. Please see the UM6 product page or UM6/UM6-LT datasheet (1MB pdf) for board specifications and usage information.

Product Comparison

We carry several inertial measurement and orientation sensors. The table below compares their capabilities:

Product Name Sensors Estimation Other
Gyros (3x) Accels (3x) Mag (3x) Altitude Roll Pitch Yaw Quaternion Enclosure
Pololu MinIMU-9 v3 Yes Yes Yes
Pololu AltIMU-10 v4 Yes Yes Yes Yes
CHR-UM6-LT Orientation Sensor Yes Yes Yes Yes Yes Yes Yes
CHR-UM6 r2 Orientation Sensor Yes Yes Yes Yes Yes Yes Yes Yes

The UM6-LT is a pin-compatible replacement for the CHR-6dm AHRS sensor, which has been discontinued, so it can be physically swapped directly into systems that use the CHR-6dm. However, the UM6-LT uses the UM6 communication protocol, not the CHR-6dm protocol, so such a swap will require software modification.

People often buy this product together with:

Pololu USB-to-Serial Adapter Pololu USB-to-Serial Adapter

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