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79G millimeter wave liquid level detection sensor HLK-LD8001 test kit/ development board radar module non-contact high-precision ranging 15m

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LD8001-2


Download Files:

HLK-LD8001B/H, LD7901: https://drive.google.com/drive/folders/1aiIZDubSBSWa8osZvaEuoZJp1Z7ra97i

HLK-LD6002C: https://drive.google.com/drive/folders/1UFBTpL7mLjvzcOgDNnifWcXyOEQX2Cx5

HLK-LD6002B: https://drive.google.com/drive/folders/1ug-oR3rV8ndN-lEZMgYn8a-KIOFFdn4V

HLK-LD6002: https://drive.google.com/drive/folders/1oMJYYOvhXx9uJD9SCkCsjMzLqdOg7AqR

HLK-LD2461: https://drive.google.com/drive/folders/14_KgZpL4Th2LTRuq_W0X_ePjHu_Z6lcS

HLK-LD2450: https://drive.google.com/drive/folders/1kTt0Z3hjKKrIF3OCIDGdwQ4KotDJ8SGA

HLK-LD2415H: https://drive.google.com/drive/folders/1eOj3xdVOvwmmCniIhfUZZwE_R63wWeKO

HLK-LD2410S: https://drive.google.com/drive/folders/1wC8KC-DaNavNbpeVouZ1HdiBzZ9YrAcg

HLK-LD2410C: https://drive.google.com/drive/folders/1ypOlacBmmFXY6lDQ0f1hEJFmczNe-0WG

HLK-LD2410B: https://drive.google.com/drive/folders/16zI-fium_BZeP08EyQke0rWp0BJTMvw3

HLK-LD2410: https://drive.google.com/drive/folders/1lCQv3mfHJ3XKXzweeHPFnJ_8_D_EWEKk

HLK-LD2411: https://drive.google.com/drive/folders/1ZAFkDPr_BLQpmw1h6furMvg-hcByOt5z

HLK-LD101V: https://drive.google.com/drive/folders/1O8H_NBj3Bm8QCHyXO-5YvEremdVrs-EM



Product introduction

HLK-LD8001 is a radar induction module developed based on ADT3102 chip, with a single-chip integrated 76-81GHz RF transceiver system, 1T1R PCB high gain antenna, 1MB flash, radar signal processing unit, ARM ®  Cortex ®- M3 kernel. This module is based on FMCW signal processing mechanism, combined with radar signal processing algorithm, to achieve high-precision ranging, suitable for high-precision liquid level and material level measurement.


Product characteristics

  • Radar detection based on FMCW frequency modulated continuous wave signal

  • The measurement distance can reach up to 15m

  • High precision continuous measurement with an error of+/-5mm

  • Antenna -3dB beam angle horizontal 100 °, elevation 80 °

  • Support SPI, Uart, and I2C standard communication interfaces

  • Small in size, R=19.5mm, with a pin to pin connection method

  • Flexible addition of lenses to change antenna angle

  • Not affected by temperature, humidity, noise, airflow, dust, light and other environmental factors


Applications

  • Industrial liquid level measurement

  • Detection of sewer water level

  • Non contact measurement of medical acid-base liquids

  • Fuel tank, IBC ton bucket, viscous liquid measurement                                             


Specifications


① Functional parameters


ParameterMinTypicalMaxUnit

Maximum range



15m
Measuring blind spots
14

Measurement accuracy


+/-5
mm
Response time
200
ms



② Electrical characteristics


Operational parameter MinTypicalMaxUnit
Operating voltage (VCC) 3.13.3 3.5V
Operating current (ICC) 
135600 mA
Operating temperature (TOP)-20 
85
Storage temperature (TST) -40 
85



③ RF characteristics

Operational parameterMinTypicalMaxUnit
Operational frequency79
81GHz
Emission power (Pout)


dBm
Antenna gain
10
dBm
Horizontal beam (-3dB)-50 
50/
Vertical beam (-3dB) /-40 
40/



Hardware description

 LD8001 图 (1)

                                                                         

Pin definition     

       

Pin

Pin  No.

Pin nameDescriptionRemarks
J11
SCL1IOPAD_P17/IIC1_SCL
2SDA1IOPAD_P18/IIC1_SDA
3P19BOOT1Internal pull-up
4GNDGND
5P12BOOT0Internal pull-up
J213V33.3V  inputDebug Interface
2DI0SWD Debug Signal
3SWCLKSWD Debug Clock
4GNDGND
5AIO1analog inputSimulated IO voltage should not exceed 1.35V. 0.5-0.8V is a non-linear region and is not recommended for use;
J313V33.3V  input
2GNDGND
3TX2IOPAD_P20/UART2_TX
4TX0TX of TTL serial port 0Communication interface with upper computer
5RX0RX of TTL serial port 0
J41CSEFLASH_CSN
2CLKEFLASH_SCLK
3MOSIEFLASH_MOSI
4TX1IOPAD_P10/UART1_TX
5RX1IOPAD_P11/UART1_RX
J51CS1IOPAD_P14/SPI1_CSN
2SCLK1IOPAD_P13/SPI1_SCLK
3MOSI1IOPAD_P16/SPI1_MOSI
4MISO1IOPAD_P15/SPI1_MISO
5P28IOPAD_P28/VGA1_IOUT N

 

Usage and configuration

1 Typical application circuits


The LD8001 module can directly use UART0 to output detection results according to the specified protocol. The serial port data contains distance information, and the user root


Flexible use according to specific application scenarios


Module power supply 3.3V, input power supply capacity required to be greater than 1A


2 GUI Visualization Tool Application


2.1. Equipment connection


1) Select the corresponding serial port number for the connection

2) Set the baud rate to 115200

3) Click the 【 Connect 】 button

4) Click the Distance view button to enter the distance measurement page, where distance information is displayed in the green box. The System Log window below will display the distance information

Print message information.

LD8001-1 (1)


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