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  ubpulse 320
   
     
 
ǰ(𵨸) :  ubpulse 320 (ubpulse 320)
ü Ǯ PPG(). UART for Embedded System.
  - ġ Ƴα,ȸ,μ Ǿ ڵ /ǽð.
- UART Ǵ Ӻ ýۿ ġ ǽð .
- ŵ˰.
- PPG, дɹڼ, ɹڽð, //
- ɹڽð
(Clock ش : 0.000976 sec accuracy: 0.002%)
нɹڽð ʼ 䱸Ǵ HRV(Heart Rate Variability)м Ȱ밡.
- ELP(Environment Light Protection) ֺ ּȭ
- OLED ÷, Ŀ
- /淮/(ִҺ 30mA)
Թ
  ¶ ԰. Ŭϼ -> θ ٷΰ
 
 
     
 
     
 
 
     
     
     
     
   
ubpulse 320   ⺻(/Ư¡)  
   

  UART Connectivity  

UART Ǵ Ӻ ýۿ .

 

  ÷ ȭ  

  Ȱ밡  

  ubpulse 320 ƿ  

ubpulse 320 Ӵ

ܺ .

+5V (ܺ޴)

Է : 4V ~ 6V, 5V. Ѱ: 7V̻ ΰǸ ļյ.

ubpulse 320ο 3.3Vַ Է ΰǾ ġο 3.3V .

Tx (UART ۽Ŵ)

Ӻ ý UART Rxڷ Ѵ. 3.3V ̸, 5V ýۿ ΰص . ΰǸ µ.

Rx (UARTŴ)

Ŀ ɹ  ON/OFF ϴ 뵵θ ǹǷ ʾƵ ubpulse 320 Ѵ. Ӻ ý UART Txڷ Ѵ. 3.3V ΰ . 5V ϸ ġ .

GND

ܺȸ .

ubpulse 320 Ӻ ý

ubpulse  320

 Ӵ

ܺ .

+5V (ܺ޴)

Է : 4V ~ 6V, 5V.

Ѱ: 7V̻ ΰǸ ļյ.

ubpulse 320ο 3.3Vַ Է ΰǾ ġο 3.3V .

Tx (UART ۽Ŵ)

Ӻ ý UART Rxڷ Ѵ. 3.3V ̸,

5V ýۿ ΰص . ΰǸ µ.

Rx (UARTŴ)

Ŀ ɹ  ON/OFF ϴ 뵵θ ǹǷ ʾƵ ubpulse 320 Ѵ. Ӻ ý UART Txڷ Ѵ. 3.3V ΰ . 5V ϸ ġ .

  ubpulse 320 PC    

  ubpulse 320 ̺ Ŀ  

  ubpulse 320 ǰ   

ubpulse 320 ü + Ŀ

 ubpulse 320 ڿ Ŵ
  ̵ : LXD25
 ٿε : https://github.com/ubpulse/ubpulse-360-340-320/blob/master/LXD25_ubpulse320_Manual.pdf

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* LX USB2UART ǰ Ե ʽϴ.   LX USB2UART ٷΰ Ŭ

  ubpulse 320 Specification 

General

Item

Description

Display

Graphic OLED,  64x128 pixel, yellow-blue 2color

Sound

Operation effect and heart beat sound from inner speaker

Power Supply

+5V  External Power Supply (Maximum Current 50mA )

Interface

UART (Tx, Rx 2 wire)

Baud rate : 115200 bps

Data bits : 8bit

Stop bit : 1bit

Parity : None

Power Consumption

24 mA at 5V (finger out)

27 mA at 5V (finger in, normal operation)

Weight

52g ( with cable)

Dimension

36mm x 66mm x 40mm (width x length x height)

Cable length

1 m

Temperature.

(Normal operation)

-20 ~ 60

Temperature.

(Storage)

-40 ~ 70

Material

ABS (Acrylonitrile Butadiene Styrene)

PC (polycarbonate resin)

 

 

Measurement

 

Item

Description

Heart pulsation

measurement method

Optical, using light absorption modulation via capillary filling pulsations.

Light wavelength

940nm (infrared)

Light noise

immunity

Light noise is minimized using ELP(Environment Light Protection) technology.

Heart Beat

Detection method.

High Precision Peak Detection from 2nd Derivatives of PPG.

Clock Resolution &

Accuracy

(Heart Beat

Interval Measurement )

Resolution: 0.000976 sec.

Accuracy : 0.002%

 

l       The clock is divided by 32 form main clock.

l       Main clock : 32.768kHz Quartz Crystal Oscillator with accuracy : +-20ppm (0.002%)

Measurement Quantity

PPG Waveform, Heart rate per minute, Heart Beat Interval, Heart Beat Event, Perfusion Index.

 

  Functional Block Diagram  

 ubpulse ELP(Environment Light Protection)

ֺ

ubpulse ø ֺ ϰ ļи ELP Ǿ, 󿡼 ֺ ޴ Ϲݸ 񱳽ϰ ִ.

   


 ڵ ȭ





1. ڵ Ͽ з¿ 帧 . ڵ ߻ з ü ۿϸ, հ з ۿѴ. ׸.

2. հ ϰ,  ٽ ǵư. ׸ (a)

3. ڵ Ǿ հ (Arterial Blood volume) ϰ پ ° ݺȴ. ׸ (b)



 


                                                       ڵ (Arterial Blood volume) ȭ




 н ȭ  



1. հ ϸ , , ߻ϰ Ϻα Ͽ ű⿡ Ѵ. ׸(a)

2. Ǵ ο ִ Ǻ, , 翡 ϸ, ڵ ȭ ϰ ʴ ̾,Ǵ ȭ Ѵ. ׸(b)

3. źο հ ŭ Ǿ ŵǹǷ, ȭ ȭ ݿϰ Ǿ ű νڵ ȭ . ׸(c) ׸(c) AC PPG(Photo PlethysmoGraph, ) Ѵ.



                                                                        н ȭ




 ɹڰ ɹڽð   


׸(b) ̵ PPG 2 ̺ ũ Ͽ ɹ ϸ, Ź ɹ ߻ø ɹڰ ð ϰ ȴ.
׸(c) ɹ 1 ߻ ɹ2 ߻ Ŭ īϿ Ŭ ֱ 0.000976sec ϱ Ͽ ɹڽð 2 ġ μ Ѵ. Ǵ Ŭ ֱ 0.000976sec ð ּ ݿ شѴ. ð Ǵ Ŭ е 0.002%ν Ȯ е ɹڽð ϴ.

ɹڽð е ߿伺.

HRV(Heart Rate Variability) о߿ ɹڽð м Ư 䱸ȴ. PPG ϴ ɹũ ɹ ð , Ȯ ũ ̰ . ɹڽð ⿡ е ϸ, ǰ 2 հ ÿ ɹ ðݵͷ HRV м ũ ̰ , ŷ HRV м ´. ubpulse 3 ø ʱ ܰ е Ͽ, е ȮϿ, HRV м ŷ ִ Ѵ.

 


                                           ɹڰ ɹڽð

  ubpulse 320 ̿  α׷  

  α׷ ߰ ü 帧  
 
 
α׷ ü ۵ 帧  ׸ ̴.
ġ UART ص־Ѵ.
 “1.UART б” UART ŵ Ʈ о ȴ.
Ʈκ Ŷ ǹϴ ũƮ(255,254 Ͱ ġǾִ.) ϴ “2.LXSDF T2 TxŶ” Ŷ ͸ иس Ŷ Ϳҵ “3.Ŷ Ľ” Ѵ.
3 Ȯ ҵ鿡 ubpulse 320   ġǾִ.
̵   “4.ubpulse 320 Ȯ” ܰ迡  Ͽ ȰѴ.
 
 

  LXSDF T2 ԰  

ǽð Ʈ ۰ ÿ Ϲ ͵ ϳ Ŷ ۰ ϸ鼭, ø .

 LXSDF T2  ű԰
  ̵ : LXD12
 ٿε : https://github.com/LAXTHA/LXSDF/blob/master/LXD12_LXSDFT2_CommunicationStandard.pdf

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  LXSDF T2 ԰ݿ Ÿ Labview ҽ 


1. Ŷ ڴ (DFT2 Decoder.vi) 



2. Ŷ Ÿ (DFT2 data acquisition example.vi)
 
 


 

  Labview ٿε (Labview 2011 32bit ۼ)
 https://github.com/LAXTHA/LXSDF/raw/master/LXSDFT2_LabView_Example.zip

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 ubpulse 3ø ԰  

ubpulse 320 LXSDF T2 Device Specialization ԰

 ubpulse 3ø ű԰
  ̵ : LXD23
 ٿε : https://github.com/ubpulse/ubpulse-360-340-320/blob/master/LXD23_ubpulse3xx_CommunicationSpec.pdf

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LX Device Manager ̿Ͽ  ǽð ͸ α׷
 
 
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