Silicon Laboratories Biometric-EXP EVB User Manual Download Page 14

Page: 14 / 16

B i o m e t r i c - E X P E V B

Rev. 0.4

5.3. Hardware Component Layout

Figure 12. Biometric-EXP Hardware Component Layout

Figure 13. Wonder Gecko STK Component Layout

5.4. Schematics, Assembly Drawings, and BOM

The schematics, assembly drawings and bill of materials (BOM) for the Biometric-EXP-EVB are available through
Simplicity Studio when the EXP documentation package has been installed.

Si1146 Proximity/UV/Ambient Light

IR and Red LEDs

EXP connector for
EFM32 STK

Silabs TS3310 DC-DC
Boost Converter

I2C Ribbon Cable
Connector

Si7013 Humidity &
Temperature

%XWWRQ3%

5HVHW%XWWRQ

(;3+HDGHU

86%'HEXJ,QWHUIDFH

()0:RQGHU

*HFNR 0&8

3RZHU6RXUFH
6HOHFW

&RLQ&HOO

%DWWHU\

-/LQN'HYHORSPHQW

,QWHUIDFH

/&'

Summary of Contents for Biometric-EXP EVB

Page 1: ...FM32 Wonder Gecko STK Left Connected to a Biometric EXP Right 1 1 Key Features Si7013 Humidity and Temperature Sensor Si1146 Proximity UV Ambient Light Sensor capable of monitoring Pulse Rate and SpO2 6 pin ribbon cable connector for attaching a postage stamp board 20 pin expansion header Battery operated with low power optimizations for long battery life Demonstration software source code availab...

Page 2: ...t www silabs com simplicity studio 1 Use a USB mini type cable to connect the J Link debug interface on the Gecko STK to the PC and set the 3 position Power Source Select switch to DBG right most position 2 Launch Simplicity Studio Figure 2 Simplicity Studio 3 Click on Refresh Detected Hardware 4 Select the Gecko STK device under Detected Hardware 5 Click on the Demos button on the top right of Si...

Page 3: ...Biometric EXP EVB Rev 0 4 3 6 Select the Biometric EXP demo from the list and click Start Figure 3 Demo Selection Dialog ...

Page 4: ...Si1143 M01 PS or Si1147 M01 PS is detected the demo will automatically use that device for HRM measurements In this case the Si1146 sensor onboard the Biometric EXP will not be utilized SpO2 is not available with the Si114x M01 PS EVB s If a HRM GGG PS EVB is detected the demo will display Error The Biometric EXP demo does not support wrist based heart rate monitoring Please contact Silicon Labs t...

Page 5: ...c EXP Demo Startup Sequence Flash Programmer Dialog HPR 9HUVLRQ 86 21 5LEERQ DEOH HYLFH HWHFWLRQ 5HVHW 86 2 50 9HUVLRQ 3UHVVHG 1RW 3UHVVHG 6WDUW HDUW 5DWH 0RQLWRU HPR 0RGH 3 3UHVVHG LVSOD HG IRU V LVSOD HG IRU V Displayed for 1 s Displayed for 1 s ...

Page 6: ...acquiring the heart rate it will display the word Wait on the LCD It typically takes five to seven seconds to acquire a valid heart rate Once a valid heart rate is measured the display will show the heart rate If the heart rate is not displayed within seven seconds it is likely that the algorithm cannot get a valid pulse rate When this occurs the user should remove his her finger and try it again ...

Page 7: ... to achieve a good SpO2 measurement Refer to Figure 6 for an illustration of proper finger position 3 4 Ultraviolet Sensor Mode When the UV sensor mode is active the LCD will show UV followed by the measured UV index In this mode the UV reading is updated every two seconds 3 5 Temperature Sensor Mode In the temperature sensor modes the LCD will show the temperature in Fahrenheit or Celsius as indi...

Page 8: ... mode the user must first install the Biometric EXP Windows Evaluation Software This will install the Windows applications and drivers necessary to use USB debug mode The Gecko STK has two USB type connectors a USB Mini type connector labeled J Link on the short side of the EVB and a USB Micro type connector on the long side of the EVB The USB Micro connector is used for the USB debug interface as...

Page 9: ...Biometric EXP EVB Rev 0 4 9 Figure 8 Biometric EXP Virtual COM Port Device in Windows Device Manager ...

Page 10: ...al User Interface GUI demo provides a waveform display of the HRM data along with the HRM and SpO2 calculated values The GUI demo also allows the user to record the streaming data to a file for further analysis A screenshot of the GUI demo is shown in Figure 9 Figure 9 Windows Graphical User Interface Demo The Windows Console Demo provides a running once per second text output of many parameters t...

Page 11: ...f filename is not provided the console automatically stores the data to a default file This default file is overwritten each time the demo is run The console also has the ability to playback recorded files This is done by typing f filename at the prompt In this command filename specifies the source file containing the saved recording It is important to note that the USB debug interface is a one wa...

Page 12: ...ility of an I2 C slave address conflict between any potential Si1145 Si1146 Si1147 devices on the expansion board Table 1 details the pinouts and signal function of the Biometric EXP connectors JP3 and JP4 Table 1 Expansion Connectors JP3 and JP4 Pin Biometric EXP Signal Description WonderGecko Signal 1 GND GND 2 VMCU VMCU 3 Red LED D3 PC0 4 Not Used PD0 5 Green LED D3 PC3 6 Not Used PD1 7 Si7013 ...

Page 13: ...ble TS3310 Boost DC DC Converter PD4 13 Not Used PB12 14 Si1146 and I2 C Ribbon Connector J6 INT PD5 15 Not Used PC6 16 Si1146 I2 C SDA PD6 17 Si1146 I2 C SCL PD7 18 Not Used 5V 19 Not Used GND 20 3 3 V 3 3 V Table 2 6 Pin I2C Connector J6 Pin Signal Description 1 I2C SCL 2 5V 3 I2C SDA 4 GND 5 INT 6 VMCU Table 1 Expansion Connectors JP3 and JP4 Continued Pin Biometric EXP Signal Description Wonde...

Page 14: ...l of materials BOM for the Biometric EXP EVB are available through Simplicity Studio when the EXP documentation package has been installed Si1146 Proximity UV Ambient Light IR and Red LEDs EXP connector for EFM32 STK Silabs TS3310 DC DC Boost Converter I2C Ribbon Cable Connector Si7013 Humidity Temperature XWWRQ 3 XWWRQ 3 5HVHW XWWRQ 3 HDGHU 86 HEXJ QWHUIDFH 0 RQGHU HFNR 0 8 3RZHU 6RXUFH 6HOHFW RL...

Page 15: ... find the Windows software installation program within Simplicity Studio Removed the section describing how to import the project source into Simplicity Studio It is now integrated and imports seamlessly Removed the schematic as it is now a separate document in Simplicity Studio Revision 0 2 to Revision 0 3 Removed the description s of operation with a HRM GGG PS EVB The Biometric EXP demo does no...

Page 16: ...ricate any integrated circuits The products are not designed or authorized to be used within any Life Support System without the specific written consent of Silicon Laboratories A Life Support System is any product or system intended to support or sustain life and or health which if it fails can be reasonably expected to result in significant personal injury or death Silicon Laboratories products ...

Search results

Summary of Contents for Biometric-EXP EVB

Reviews:

Related manuals for Biometric-EXP EVB

Brands by name

Popular brands

Silicon Laboratories Biometric-EXP EVB, User Manual

Search results

Summary of Contents for Biometric-EXP EVB

Reviews:

Related manuals for Biometric-EXP EVB

Brands by name

Popular brands