Hi-Link HLK-B20 Скачать руководство пользователя страница 17

FCC Warning 
 

This  device  complies  with Part  15 of  the  FCC  Rules.  Operation  is  subject  to  the following  two 
conditions: 
(1)  This  device  may  not  cause  harmful  interference,  and  (2)  this  device  must  accept  any 
interference received, including interference that may cause undesired operation. 
 

NOTE 1:

 This product has been tested and found to comply with the limits for a Class B digital device, 

pursuant  to  Part  15  of  the  FCC  Rules.  These  limits  are  designed  to  provide  reasonable  protection 
against harmful interference in a residential installation. This product generates, uses, and can radiate 
radio  frequency energy and, if not installed and used in accordance with the instructions, may cause 
harmful interference to radio communications. However, there is no guarantee that interference will not 
occur in a particular installation. If this product does cause harmful interference to radio or television 
reception, which can be determined by turning the equipment off and on, the user is encouraged to try 
to correct the interference by one or more of the following measures:   

ü

Reorient or relocate the receiving antenna.   

ü

Increase the separation between the equipment and receiver.   

ü

Connect  the  equipment  into  an  outlet  on  a  circuit  different  from  that  to  which  the  receiver  is 

connected.   

ü

Consult the dealer or an experienced radio/TV technician for help. 

 

NOTE  2: 

Any  changes  or  modifications  to  this  unit  not  expressly  approved  by  the  party 

responsible for compliance could void the user's authority to operate the equipment. 

 

FCC Radiation Exposure Statement: 

 

This  equipment  complies  with  FCC  radiation  exposure  limits  set  forth  for  an  uncontrolled 
environment. End users must follow the specific operating instructions for satisfying RF exposure 
compliance. 
 

Note  1: 

This  module  certified  that  complies  with  RF  exposure  requirement  under  5mm  RF 

distance.  This  transmitter  must  not  be  co-located  or  operating  in  conjunction  with  any  other 
antenna or transmitter. 
 

Note 2: 

Any modifications made to the module will void the Grant of Certification, this module is 

limited  to  OEM  installation  only  and  must  not  be  sold  to  end-users,  end-user  has  no  manual 
instructions to remove or install the device, only software or operating procedure shall be placed 
in the end-user operating manual of final products. 
 

Note  3:

  The  module  may  be  operated  only  with  the  antenna  with  which  it  is  authorized.  Any 

antenna  that  is  of  the  same  type  and  of  equal  or  less  directional  gain  as  an  antenna  that  is 
authorized  with  the  intentional  radiator  may  be  marketed  with,  and  used  with,  that  intentional 
radiator. 
 

Содержание HLK-B20

Страница 1: ...Shenzhen Hi Link Electronic Co Ltd HLK B20 User Manual BLE 4 2 wireless module...

Страница 2: ...5 Serial port working state conversion 5 6 Led light indication meaning 6 7 Parameter configuration method 6 8 Serial port AT command configuration 6 8 1 AT instruction format 6 8 1 1 Ver 7 8 1 2 Uar...

Страница 3: ...h can realize data conversion between user serial port and Bluetooth interface 1 1 Basic parameters High speed ARM9E core MCU 2 4G 1T1R BLE 4 2 160k programming space 20KB RAM Power supply voltage 0 9...

Страница 4: ...Transmit power 4DB Receiving sensitivity 96dbm Received power 5 1ma Transmit power 4 5ma Antenna type External internal antenna Other parameters Status indicator Status indication Environmental standa...

Страница 5: ...ype Function description Default features 1 RSTN I Chip enable high efficiency CPU reset 2 P07 I O P07 SPI_NSS PWM5 GPIO SPI PWM 3 P14 I O P14 PWM4 GPIO PWM 4 P10 I O P10 PWM0 GPIO PWM 5 P11 I O P11 P...

Страница 6: ...h and serial ports Figure 3 HLK B20 module test board 3 1 Restore factory settings To ensure that all configuration procedures are correct first reset the module to factory settings Modules that are a...

Страница 7: ...uetooth device connected the HLK B20 will turn off the broadcast of the Bluetooth name and other Bluetooth devices will no longer be able to connect to the HLK B20 5 Serial port working state conversi...

Страница 8: ...rt AT command To configure parameters through the serial AT command you need to let the module enter the AT command mode first The serial port configuration tool HLK B20_CONFIG that configures the mod...

Страница 9: ...e system 8 1 1 Ver Function Firmware version query Format at ver r Parameter No 8 1 2 Uart Function Serial port configuration settings Format at uart baud data parity stop r Parameter Baud Baud rate D...

Страница 10: ...le_status r Parameter 0 Not connected 1 Connected 8 1 6 ble_name Function Query Bluetooth connection status Format at ble_name blename r Parameter blename Bluetooth name 8 1 7 default Function Restore...

Страница 11: ...n tool 1 Command window to be sent 2 Serial port number selection 3 Bluetooth name setting 4 Serial port parameters 5 Serial port return command 6 Submit configuration 7 Query configuration 8 Enter tr...

Страница 12: ...and the data received from the module serial port will be sent out by the Bluetooth The module Bluetooth function only supports Bluetooth 4 2 Install the Bluetooth mobile phone test software HLK BLE...

Страница 13: ...ronic Co Ltd Manual HLK B20 Then input the sent data in the send box click Send the data will be received on the serial port and the data sent by the serial port will be received on the app Figure 11...

Страница 14: ...strictly follow this temperature curve If the temperature deviation of the reflow soldering is too large the module will be damaged Temperature setting degrees Celsius Warm zone 1 2 3 4 5 6 7 8 Upper...

Страница 15: ...13 13 Shenzhen Hi Link Electronic Co Ltd Manual HLK B20 Appendix A Document Revision History Version number Revision Scope Date 1 00 2019 4 15...

Страница 16: ...nal testing Part 15 Subpart B disclaimer To ensure compliance with all non transmitter functions the host manufacturer is responsible for ensuring compliance with the module s installed and fully oper...

Страница 17: ...ipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help NOTE 2 Any changes or modifications to this...

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