Lumbatex

Wireless postural monitoring of the lumbar area to identify abnormal postures through the sensorization of the position of the lumbar vertebrae developed for the Physical Education and Sports Area of the University of Alicante.

Hardware

Electronic device for reading up to 7 wired accelerometer/gyroscope sensors. Rechargeable batteries. Wireless communication with control system.

Firmware

Embedded firmware configures each of the sensors with the appropriate scale and filters to perform the tasks. It performs periodic readings and transmits the data to the server.

Sensors

7 6-axis motion sensors: accelerometry and angular velocity in X,Y,Z. The sensors are wired to the reading device via SPI bus.

Software

PC software (javaFX). It receives the data from the device and calculates and graphically represents for analysis the inclination angles of each vertebra.

Enclosure

Box with 10 connectors in the form of clasps for connection to a belt. Made of ABS (UL 94 HB). Various supports for waist, forearm and leg. Sensors with enclosure adapted to the end use.

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Project Deails

Technical Specifications

Hardware	Blautic C1 Platform See
Power supply	Internal rechargeable lithium polymer battery
	Recharging power supply via 5 V DC source through mini USB connector.
	ON/OFF switch
	Operating status indicator lights
Communications	Wireless communications
	PCB antenna with omnidirectional radiation pattern
Memory	Storage capacity in excess of 300,000 samples.
Inputs/Outputs
	Connection of 7 simultaneous accelerometers
	Connection of other peripherals upon request and development
Size:	Outside dimensions: 62 x 105 x 20 mm (W x L x H)

PC requirements:

Minimum screen dimensions: 15″.

O.S. with Java virtual machine

Bluetooth 4.0 or dongle USB

Smartphone/Tablet requirements:

Minimum screen dimensions: 5.5″.

Android 4.3 or higher

Bluetooth 4.0 or higher

Sensors:
Manufacturer	TDK MPU6000 and MPU9250.

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