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L3GD20H 3-Axis Gyro Carrier with Voltage Regulator

L3GD20H 3-Axis Gyro Carrier with Voltage Regulator

Giróscopo de 3 ejes para medición de velocidad angular. Posee interfaz de comunicación I2C y SPI.

COD: P002129

Peso: 0.010 Kg

Disponibilidad: En Stock

Su correo electrónico:

ARS 425.00

Cantidad:

El producto no está disponible para la venta en este momento

Características

Overview

This sensor is a carrier/breakout board for the ST L3GD20H three-axis gyroscope, which measures the angular rates of rotation about the roll (X), pitch (Y), and yaw (Z) axes. Angular velocity measurements with a configurable range of ±245°/s, ±500°/s, or ±2000°/s can be read through a digital I²C or SPI interface. The board has a 3.3 V linear regulator and integrated level-shifters that allow it to work over an input voltage range of 2.5 V to 5.5 V, and the 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards.

This board is a compact (0.4″ × 0.9″) breakout board for ST’s L3GD20H three-axis digital-output gyroscope. The L3GD20H is a great IC, but its small, leadless, LGA package makes it difficult for the typical student or hobbyist to use. It also operates at voltages below 3.6 V, which can make interfacing difficult for microcontrollers operating at 5 V. This carrier board addresses these issues by incorporating additional electronics, including a 3.3 V voltage regulator and level-shifting circuits, while keeping the overall size as compact as possible. The board ships fully populated with its SMD components, including the L3GD20H, as shown in the product picture.

The L3GD20H has many configurable options, including three selectable angular rate sensitivities, seven selectable output data rates, seven different embedded FIFO modes for buffering output data, and a programmable external interrupt signal. The three angular velocity readings are available through a digital interface, which can be configured to operate in either I²C or SPI mode.

The carrier board includes a low-dropout linear voltage regulator that provides the 3.3 V required by the L3GD20H, which allows the sensor to be powered from 2.5 V to 5.5 V. The regulator output is available on the VDD pin and can supply almost 150 mA to external devices. The breakout board also includes a circuit that shifts the two I²C lines (or SPI clock and data-in lines) to the same logic voltage level as the supplied VIN, making it simple to interface the board with 5 V systems, and the board’s 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards.

Specifications

  • Dimensions: 0.4″ × 0.9″ × 0.1″ (13 × 23 × 3 mm)
  • Weight without header pins: 0.7 g (0.03 oz)
  • Operating voltage: 2.5 V to 5.5 V
  • Supply current: ~6 mA
  • Output format (I²C/SPI): one 16-bit reading per axis
  • Sensitivity range (configurable): ±245°/s, ±500°/s, or ±2000°/s

Sample Code

We have written a basic Arduino library for the L3G that makes it easy to interface this sensor with an Arduino or Arduino-compatible board

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