User Manual

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Tech Support: (888) 997-8267

Gyroscope Module 3-Axis L3G4200D (#27911)

The Gyroscope Module is a low power 3-Axis angular rate sensor with temperature data. The gyroscope

shows the rate of change in rotation on its X,Y and Z axes. Temperature output data and raw measured

angular rate is accessed from the selectable digital interface (I²C or SPI). The module is a small package

design and has an easy to access SIP interface with a mounting hole for quick connectivity to your

projects. The module is designed for use with a large variety of microcontrollers with different voltage

requirements.

Features



3-Axis angular rate sensor (yaw, pitch, and roll)

 Supports I

C and SPI communications

 Three selectable scales: 250/500/2000 degrees/sec (dps)

 High shock survivability

 Embedded temperature sensor -40 to +185 °F

(-40 to + 85 °C)

 Embedded power-down and sleep mode

 16 bit-rate value data output

 8-bit temperature data output

Key Specifications



Power Requirements: 2.7 to 6.5 VDC

 Communication Interface: I

C (up to 400 kHz) or SPI (10 MHz; 4 & 3 wire)

 Operating temperature: -40 to +185 °F (-40 to +85 °C)

 Dimensions: 0.85 X 0.80 in (2.16 X 2.03 cm)

Application Ideas



Gaming

 3D motion control

 Virtual reality input devices

 Robotics

 UAV, IMU systems

Downloads & Resources

More resources, example code, the device schematic, and open-source hardware files are available from

the 27911 product page at www.parallax.com.

Summary of content (5 pages)

PAGE 1
Web Site: www.parallax.com Forums: forums.parallax.com Sales: sales@parallax.com Technical: support@parallax.com Office: (916) 624-8333 Fax: (916) 624-8003 Sales: (888) 512-1024 Tech Support: (888) 997-8267 Gyroscope Module 3-Axis L3G4200D (#27911) The Gyroscope Module is a low power 3-Axis angular rate sensor with temperature data. The gyroscope shows the rate of change in rotation on its X,Y and Z axes.
PAGE 2
Quick-Start Guide The following is a very basic procedure to get started initializing and reading values from the Gyroscope Module. Example test code for the Propeller and Basic Stamp can be found on the 27911 product page at www.parallax.com. This module’s default communication setup is I²C. Use of SPI communication is configured by pulling the CS line low. See the datasheet for 3-wire and 4-wire SPI configuration and use. 1.
PAGE 3
Device Information Complete device information for the L3G4200D can be found in the manufacturer’s datasheet, which is available for download from the 27911 product page at www.parallax.com Pin Definitions and Ratings Pin 1 2 Name GND VIN Type G P Function 0V Supply, Ground Pin Supply Voltage from +2.7 – +6.
PAGE 4
L3G4200D Mechanical Characteristics Characterized @ Vdd = 3.0 V, T = 25 °C Parameter Symbol Measurement range User-selectable So Sensitivity FS = 250 dps FS = 500 dps FS = 2000 dps Typical ±250 ±500 ±2000 8.75 17.50 70 SoDr Sensitivity change vs. temperature From -40 °C to +85 °C ±2 FS = 250 dps FS = 500 dps FS = 2000 dps FS = 250 dps FS = 500 dps Best fit straight line FS = 250 dps FS = 500 dps FS = 2000 dps BW = 50 Hz ±10 ±15 ±75 ±0.03 ±0.04 0.2 130 200 530 0.
PAGE 5
FIFO Modes FIFO is an acronym for First In, First Out. It used to buffer data to help with flow of communication to devices. There are 32 slots of FIFO data, for each of the three output channels: yaw, pitch, and roll (X,Y,Z). Each slot has 16 bits of data. The great thing about having a FIFO is the host processor does not need to continuously poll data from the sensor. Instead, it can wake up only when needed and burst the significant data out from the FIFO. This buffer can work in five different modes.