Pololu 2764 - UM7 Orientation Sensor
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  • Pololu 2764 - UM7 Orientation Sensor
  • Redshift Labs UM7 - moduł czujników 9DoF (żyroskop, akcelerometr, magnetometr) - z obudową - widok na złącza
  • Pololu 2764 - UM7 Orientation Sensor
  • Pololu 2764 - UM7 Orientation Sensor
  • Pololu 2764 - UM7 Orientation Sensor
ID: 563090
zł1,000.36
Tax included

zł813.30 tax excl.

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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Available quantity: 1
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Overview:

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.

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.

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.

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.

Details for item #2764:

Product #2764 is the UM7 orientation sensor with an enclosure.

Product Comparison:

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

Product NameSensorsEstimationOther
Gyros (3x) Accels (3x) Mag (3x) Altitude Roll Pitch Yaw Quaternion Enclosure
Pololu MinIMU-9 v5 Yes Yes Yes
Pololu AltIMU-10 v5 Yes Yes Yes Yes
Redshift Labs UM7-LT Orientation Sensor Yes Yes Yes Yes Yes Yes Yes
Redshift Labs UM7 Orientation Sensor Yes Yes Yes Yes Yes Yes Yes Yes

Sensors and processing:

  • Excellent gyro bias stability over temperature
  • Adjustable low-pass filter and EKF settings provide customizable performance for various applications
  • States and sensor data synchronized to GPS position and velocity using optional external GPS module
  • Allows for alignment calibration and third-order bias and scale factor temperature compensation for accelerometers, gyros, and magnetometer
  • Magnetometer soft and hard-iron calibration can be performed through the serial interface software

Communication:

  • Output data:
    • Attitude and heading (Euler angles)
    • Attitude quaternion
    • magnetometer, accelerometer, gyro data
    • GPS altitude, position, velocity (with optional external GPS)
  • 3.3 V TTL serial interface (UART) with baud rates up to 921,600 bps can stream data or provide updates on request
    • Note: the main UART pins, TX, and RX, are 5V-tolerant and can be directly connected to 5 V systems that are guaranteed to read 3.3 V as high
  • Transmits data using human-readable NMEA strings (up to 100 Hz broadcast), binary packets for higher efficiency (up to 255 Hz broadcast), or a combination of both
  • Flexible communication architecture allows UM7 to transmit any combination of data at individually adjustable rates
  • Connects to the Redshift Serial Interface software to allow for real-time plotting of sensor data, logging, device configuration, and magnetometer calibration
  • SPI interface available through expansion connector


Specifications:

  • UM7-LT (no enclosure):
    • Dimensions: 1.06″ × 1.02″ × 0.26″ (27 mm × 26 mm × 6.5 mm)
    • Weight: 0.12 oz (3.5 g) without cable
  • UM7 (with enclosure):
    • Dimensions: 1.09″ × 1.12″ × 0.37″ (28 mm × 28 × 9 mm) without mounting tabs
    • Weight: 0.26 oz (7.5 g) without cable
  • Operating voltage: 4 V to 5.5 V
  • I/O logic level: 3.3 V (with 5V-tolerant main UART pins, TX and RX)

Attitude and heading:

  • EKF estimation rate: 500 Hz
  • ±1° typical static pitch/roll accuracy
  • ±3° typical dynamic pitch/roll accuracy
  • ±3° typical static yaw accuracy
  • ±5° typical dynamic yaw accuracy
  • 0.5° angle repeatability
  • 0.01° angular resolution

Dimensions:

Size: 1.09″ × 1.12″ × 0.37″1
Weight: 7.5 g2

General specifications:

Interface: TTL serial, SPI
Minimum operating voltage: 4 V
Maximum operating voltage: 5.5 V
Maximum logic voltage: 3.3 V3
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: Y

Notes:

1 Excluding mounting tabs.
2 Without included cable; 10 g with cable.
3 Note: The main UART pins, TX and RX, are 5V-tolerant and can be used directly with 5 V systems that are guaranteed to read 3.3 V as high. The secondary UART and some of the SPI pins are NOT 5V-tolerant.
563090

Data sheet

Interface
UART/SPI
Type of sensor
inny
Module type
9DoF
Power supply voltage
4.5..5.5V
Sensor type
Akcelerometr, żyroskop i magnetometr

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