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The UM7-LT orientation sensor from Redshift Labs is an Attitude and Heading Reference System (AHRS) that contains a three-axis accelerometer, rate gyro, and magnetometer. It combines this data using an Extended Kalman Filter to produce attitude and heading estimates. This LT version of the UM7 does not have an enclosure.
Redshift Labs is now manufacturing and supporting the UM7-LT and UM7 orientation sensors (which were originally developed by CH Robotics). Some components have been updated on these versions of the sensors, and the UM7-LT now ships with a conformal coating, but the sensors should otherwise be functionally identical to the previous versions.
The UM7 orientation sensor is a third-generation Attitude and Heading Reference System (AHRS) from Redshift Labs that produces attitude and heading estimates from triaxial accelerometer, rate gyro, and magnetometer data. Unlike a typical inertial measurement unit (IMU), which only provides raw sensor readings, the UM7 features an onboard microcontroller that combines sensor data using a sophisticated Extended Kalman Filter (EKF) to generate orientation estimates 500 times a second.
Two versions of the UM7 are available: the UM7 orientation sensor, which includes an enclosure, and the UM7-LT, which does not. The two versions are functionally equivalent, and both include a cable.
Connections for power and TTL serial communication can be made to the UM7 through a polarized five-pin male connector on one side, which mates with an included cable assembly. A pair of six-pin expansion headers on the other side of the board provide additional connectivity options, including an alternative SPI interface and a secondary serial interface that can be connected to an external GPS module (like ourLS20031 GPS receiver). Additional cable assemblies for the expansion headers are not included.The UM7 features a number of improvements over its predecessor, the UM6, including higher gyro bias stability and lower noise, a new communication architecture for improved flexibility, optional NMEA packet transmission, UTC time-synchronization with external GPS, and support for third-order temperature compensation on all sensors. It takes advantage of newer MEMS (micro-electro-mechanical systems) technology that allows it to offer better performance at a lower price.
You can use a general-purpose USB-to-TTL-serial adapter, such as our CP2104 carrier, to connect the UM7 to your computer. You can then use the Redshift Serial Interface (available in the “Resources” tab) to configure the sensor, and view and log data in real-time.
Product #2763 is the LT version of the UM7, which is just the UM7 electronics without the enclosure.
We carry several inertial measurement and orientation sensors. The table below compares their capabilities:
Product Name | Sensors | Estimation | Other | ||||||
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Gyros (3x) | Accels (3x) | Mag (3x) | Altitude | Roll | Pitch | Yaw | Quaternion | Enclosure | |
Pololu MinIMU-9 v5 | ![]() |
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Redshift Labs UM7-LT Orientation Sensor | ![]() |
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Redshift Labs UM7 Orientation Sensor | ![]() |
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Size: | 1.06″ × 1.02″ × 0.26″ |
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Weight: | 3.5 g1 |
Interface: | TTL serial, SPI |
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Minimum operating voltage: | 4 V |
Maximum operating voltage: | 5.5 V |
Maximum logic voltage: | 3.3 V2 |
Axes: | pitch (x), roll (y), and yaw (z) |
Measurement range: | ±2000°/s (gyro) ±8 g (accelerometer) ±12 gauss (magnetometer) |
Supply current: | 50 mA |
Case/enclosure: | N |
Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
The UM7 orientation sensor from Redshift Labs is an Attitude and Heading Reference System (AHRS) that contains a three-axis accelerometer, rate gyro, and magnetometer. It combines this data using an Extended Kalman Filter to produce attitude and heading estimates.
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No product available!
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No product available!
6DoF module with MPU6050 (3-axis accelerometer, 3-axis gyroscope) powered with 3-5V. I2C communication interface
A module with an acceleration and rotational speed sensor based on the MPU-6050 system. It communicates via the I2C interface. DFRobot SEN0142
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Module with acceleration and rotational speed sensor based on the LSM6DSOX system. Equipped with a STEMMA QT connector, it communicates via the I2C or SPI interface. Adafruit 4438
10 DoF module with ADXL345 accelerometer, HMC5883L magnetometer, ITG-3205 gyroscope and BMP280 barometer. Communication via the I2C interface. DFRobot SEN0140
Module with 9-axis IMU BMX160 sensor (accelerometer, gyroscope and magnetomet) and BMP388 pressure/temperature sensor. Communication via the I2C interface. DFRobot SEN0252
The UM7 orientation sensor from Redshift Labs is an Attitude and Heading Reference System (AHRS) that contains a three-axis accelerometer, rate gyro, and magnetometer. It combines this data using an Extended Kalman Filter to produce attitude and heading estimates.
KAmodLSM303C is a module with the MEMS LSM303C chip from STMicroelectronics. The chip has a digital signal output (I2C or SPI bus) and allows measurement of accelerations and magnetic field values in three axes
IMU inertial sensor, 10-axis, barometer with temperature compensation, low energy consumption
The UM7-LT orientation sensor from Redshift Labs is an Attitude and Heading Reference System (AHRS) that contains a three-axis accelerometer, rate gyro, and magnetometer. It combines this data using an Extended Kalman Filter to produce attitude and heading estimates. This LT version of the UM7 does not have an enclosure.