Features
 Two power supply options: internal regulator
(Vin: 3.6 V to 6 V), external regulated voltage
(Vin: 2.4 V to 3.6 V)
 STM32F103REY6: WLCSP package, highdensity
performance line ARM®-based 32-bit
MCU
 LSM303DLHC: 6-axis digital e-compass
module, ±2g, ±4g, ±8g, ±16g linear
acceleration programmable full scale, from
±1.3 gauss to ±8.1 gauss, I2C digital output
 L3GD20: 3-axis digital gyroscope (roll, pitch,
yaw), 16-bit data output, ±250°/s, ±500°/s,
±2000°/s selectable full scale
 LDS3985M33R: ultra-low drop, low-noise
BiCMOS 300 mA onboard voltage regulator.
 Flexible interfaces: CAN, USART, SPI and I2C
serial interfaces; full-speed USB 2.0
 Up to 8 ADC channels for external analog
inputs
 Low-power modes
 In-system ceramic resonator
 In-application programming interfaces for
firmware upgrading
 Compact design: 13 x 13 x 2 mm
 Surface-mount device (SMD) module

Applications
 Robotics and industrial automated systems
 Body motion reconstruction, rehabilitation,
virtual reality and gaming
 Personal navigation devices and locationbased
services
 Wearable sensors for healthcare, fitness,
sports training and analysis