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MEMS » mobilerobots.pl - all about mobile robots, sumo robots

MEMS

MEMS - Micro-Electro-Mechanical Systems

L3GD20 - Three-Axis (XYZ) Digital Output Gyroscope:

  • Interface: I2C/SPI digital output
  • Operating voltage (Min-Max): 2.4-3.6V
  • Axes: X - roll, Y - pitch, Z - yaw
  • Measurement range: ±250/s, ±500/s, ±2000/s
  • Sensitivity: 8.75 (mdps/digit), 17.50 (mdps/digit), 70 (mdps/digit)
  • Supply current (measured for Vcc=5V): ... mA
angular_velocity_z = 0.00875 * gz (/s)

CTRL_REG4 description: FS1-FS0
Full scale selection. Default value: 00
(00: 250 dps; 01: 500 dps; 10: 2000 dps; 11: 2000 dps)

L3GD20 mechanical characteristics



LPY510AL - Dual-Axis (XZ) Gyroscope:

  • Interface: analog voltage
  • Operating voltage (Min-Max): 2.7-16V
  • Axes: X - roll and Z - yaw
  • Measurement range: ±100/s and ±400/s
  • Sensitivity: 10 mV/(/s) and 2.5 mV/(/s)
  • Supply current (measured for Vcc=5V): 7.7 mA

LPY510AL_m3pi

Fig. 1. Zero-rate level for the channels Z and X of sensor LPY510AL (251 = 1.23 V).

LPY510AL Dual-Axis (XZ) Gyro

Fig. 2. Output response vs. rotation and sensor LPY510AL parameters.