SeeedStudio 101990885 User Manual Download Page 22

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Historical version update notes

Revision

Release

Data

Summary

V1.0_0212 2020/02/12

First draft

V1.1_0319

2021/03/19

Readjustment

V1.2_0628

2021/6/28

Add Human sensitivity explained and fall

sensitivity explained

V1.3_0906

2021/9/06

Human sensitivity revised from 0-9 to 1-10

V1.5_0210

2022/2/10

Add initialization success command protocol

V1.6_0221

2-22/2/21

Adding a forced entry unmanned gear protocol

V1.7_0224

2022/2/24

Addition of a "none" protocol in the entry and

exit states and a protocol for reporting heart

rate data

Summary of Contents for 101990885

Page 1: ......

Page 2: ... 6 5 Functional disturbances 6 5 1 Unoccupied state abnormal output occupied 6 5 2 Manned status abnormal output unoccupied 7 6 Functions in detail 8 6 1 Function point descriptions 8 6 2 Description of the output of the body motion amplitude parameter 9 7 Description of the agreement 9 8 Communication commands and parameter definitions 10 8 1 Definition and description of the frame structure 10 8...

Page 3: ...e needs of users it is built on a stable flexible and superior algorithmic architecture core It can be connected to a remote or host computer so that the status and detection data can be sent in various ways It also has several groups of GPIOs that allow the user to customize the development 1 Principle of operation The radar transmits a 24G band millimeter wave signal the measured target reflecti...

Page 4: ...rd voltage power supply and input current of the radar under normal circumstances should be 4 9 6V and 200 mA respectively Power supply design power ripple 100mV 2 1 The power supply can be designed with the following circuit in mind Fig 1 Fig 2 ...

Page 5: ...ut requirements PCBA Mount the radar 1mm higher than the other devices Case Keep 2 5mm between the radar antenna and other shell surfaces Case detection surface To avoid coverage area performance keep the non metallic case flat and straight to avoid bending Fig 4 Schematic diagram of the radar module and peripheral connections ...

Page 6: ...doorway and the next door in the wooden wall Adjustment method Reduce radar sensitivity the radar has scene settings b When the radar is facing toward the air conditioner and fan when it is operating Adjustment method Position the radar so it doesn t directly face the air conditioner and fan c Object shaking caused by air conditioning wind Adjustment method Cotton and non metallic items do not cau...

Page 7: ...from penetrating and causing inaccurate judgments c The difference in scanning angle When the radar fails to detect the body part torso area it can cause errors d The radar s sensitivity is too low The radar can be adjusted in order to improve sensitivity 6 Functions details 6 1 Function point descriptions Functions Status change time function explanation DP1 occupied unoccupied No one to occupied...

Page 8: ...mpt DP8 Sleep parameter switch Off by default sleep function only works when on DP9 Bed entry exit Output status in 3S clock DP10 Number of bed entries exits Count the number of times you enter leave bed in a day DP11 Stationary dwell alarms Outputs in three states once every 10 minutes DP12 Length of Sobriety DP13 Length of light sleep DP14 Length of deep sleep DP15 Breathing rate Normal number o...

Page 9: ...2 30 Micro Movements Only minor head or limb movements Movement 31 60 Walking fast body movements Slower body movements 61 100 Running close range big moves Rapid body movement 7 Description of the agreement This protocol is used for communications between a millimeter wave sleep detection radar and a host computer The protocol outlines the radar s workflow describes the interface protocol s compo...

Page 10: ... Address code 2 Data Check Code Frame structure description a Start code 1 Byte fixed to 0X55 b Data length 2 Byte low byte before high byte after Length Data Length Function Code Address Code 1 Address Code 2 Data Checksum c Function code 1 Byte Read command 0X01 Write command 0X02 Passive report command 0X03 Active report command 0X04 d Address code Address code 1 indicates the functional classi...

Page 11: ... Device ID 0X01 2 Software version 0x02 3 Hardware version 0x03 4 Protocol version 0x04 5 Radar Information Search 0x03 Environmental status 0X05 6 Signs parameters 0x06 7 System parameter search 0x04 Threshold gear 0x0C 8 Scene setting 0x10 Forced into unoccupied gear 0X12 9 Other information enquiries 0X05 Sleep detection parameter switch 0X0D Enquiry Current sleep detection switch status ...

Page 12: ...he more sensitive it is 2 Scene setting 0x10 Default mode 0x00 3 Area detection top loading 0x01 4 Bathroom top mounted 0x02 5 Bedroom top loading 0x03 6 Living room top mounted 0x04 7 Office top loading 0x05 8 Hotel top loading 0x06 Forced into unoccupied gear 0X12 No forced access to the unoccupied function 0X00 10s 0X01 30s 0X02 1min 0X03 2min 0X04 5min 0X05 10min 0X06 30min 0X07 60min 0X08 ...

Page 13: ... software version number Upgrade package transfer 0X09 Packet Offset 4byte Packet 1024byte End of upgrade information 0X0A Fixed characters 0X0F 24G Bio aware radar interface content 1 Passive reporting of orders 0x03 Reporting module identification 0X01 Device ID 0x01 12 Byte data 2 Software version 0x02 10 Byte data 3 Hardware version 0x03 8 Byte data 4 Protocol version 0x04 8 Byte data ...

Page 14: ...ystem parameters 0X04 Threshold gear 0X0C Current gear value 0X01 0X0a 6 Scene setting 0x10 Default mode 0x00 7 Area detection top loading 0x01 8 Bathroom top mounted 0x02 9 Bedroom top loading 0x03 10 Living room top mounted 0x04 11 Office top loading 0x05 12 Hotel top loading 0x06 Forced into unoccupied gear 0X12 No forced access to the unoccupied function 0X00 10s 0X01 30s 0X02 1min 0X03 2min 0...

Page 15: ... of commands 0X04 Report radar information 0x03 Environment status 0x05 Unoccupied 00 FF FF 2 Someone is stationary 01 00 FF 3 U Some people exercise 01 01 01 4 Motor signs parameters 0X06 4Byte Float data 5 Approaching away state 0x07 Fixed characters 0x01 0x01 None 0x01 Approach 0x02 Far away 0x03 6 Report other information 0X05 Heartbeat Pack 0X01 Unoccupied 00 FF FF 7 Someone is stationary 01 ...

Page 16: ...and a successful initialisation command is reported This means that the radar has been initialized successfully Start of normal operations Initialisation successful 0X0A 0X0F 24G Bio aware radar interface content 1 Sleeping radar data reporting 0x05 Breathing parameters 0x01 Breathing rate 0x01 1Byte integer data Detection signal 0x04 Breath holding abnormality 0x01 No 0X02 Normal 0x00 ...

Page 17: ...rtness of breath abnormal 0X05 2 Scenario assessment 0x03 In out of bed 0x07 Out of bed 0X00 3 In bed 0X01 None 0x02 Sleep switch off shows none 4 Sleep state assessment Awake 0x00 5 Light sleep 0x01 6 Deep sleep 0x02 7 None 0x03 Sleep switch off shows none 8 Duration parameter 0x04 Duration of wakefulness 0x01 4Byte integer data Unit min Length of light sleep 0x02 4Byte integer data Length of dee...

Page 18: ...er data Unit times min Description 1 The read write command is the command that is transmitted from the host computer to the radar 2 The reporting command is when the radar transmits information to the host computer 3 Human body sensitivity is 1 10 levels and the default is 7 The higher the level the more sensitive it is Appendix 1 CRC check digit reference parsing codes ...

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Page 21: ...Appendix 2 Analysis codes for motor sign parameters ...

Page 22: ...sitivity explained and fall sensitivity explained V1 3_0906 2021 9 06 Human sensitivity revised from 0 9 to 1 10 V1 5_0210 2022 2 10 Add initialization success command protocol V1 6_0221 2 22 2 21 Adding a forced entry unmanned gear protocol V1 7_0224 2022 2 24 Addition of a none protocol in the entry and exit states and a protocol for reporting heart rate data ...

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