79G millimeter wave liquid level detection sensor HLK-LD8001B non-contact radar module for high-precision level measurement 15m detect range

LD8001B-2 Product introduction

HLK-LD8001B 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 size, 35.3*35.3mm, 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
Non contact measurement of medical acid-base liquids
Fuel tank, IBC ton bucket, viscous liquid measurement

Specifications

① Functional parameters

Parameter	Min	Typical	Max	Unit
Maximum range			15	m
Measuring blind spots		14
Measurement accuracy		+/-5		mm
Response time		200		ms

② Electrical characteristics

Operational parameter	Min	Typical	Max	Unit
Operating voltage (VCC)	3.1	3.3	3.5	V
Operating current (ICC)		135	600	mA
Operating temperature (TOP)	-20		85	℃
Storage temperature (TST)	-40		85	℃

③ RF characteristics

Operational parameter	Min	Typical	Max	Unit
Operational frequency	79		81	GHz
Emission power (Pout)		12		dBm
Antenna gain		10		dBm
Horizontal beam (-3dB)	-50		+50	/
Vertical beam (-3dB) /	-40		+40	/

Hardware description

Pin definition

Pin	Pin No.	Pin name	Description	Remarks
J1	1	SCL1	IOPAD_P17/IIC1_SCL
	2	SDA1	IOPAD_P18/IIC1_SDA
	3	P19	BOOT1	Internal pull-up
	4	GND	GND
	5	P12	BOOT0	Internal pull-up
J2	1	3V3	3.3V input	Debug Interface
	2	DI0	SWD Debug Signal
	3	SWCLK	SWD Debug Clock
	4	GND	GND
	5	AIO1	analog input	Simulated IO voltage should not exceed 1.35V. 0.5-0.8V is a non-linear region and is not recommended for use;
J3	1	3V3	3.3V input
	2	GND	GND
	3	TX2	IOPAD_P20/UART2_TX
	4	TX0	TX of TTL serial port 0	Communication interface with upper computer
	5	RX0	RX of TTL serial port 0	Communication interface with upper computer
J4	1	CS	EFLASH_CSN
	2	CLK	EFLASH_SCLK
	3	MOSI	EFLASH_MOSI
	4	TX1	IOPAD_P10/UART1_TX
	5	RX1	IOPAD_P11/UART1_RX
J5	1	CS1	IOPAD_P14/SPI1_CSN
	2	SCLK1	IOPAD_P13/SPI1_SCLK
	3	MOSI1	IOPAD_P16/SPI1_MOSI
	4	MISO1	IOPAD_P15/SPI1_MISO
	5	P28	IOPAD_P28/VGA1_IOUT N

Usage and configuration

1 Typical application circuits

The LD8001B 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)

Menu

Trending Search

Trending Products

79G millimeter wave liquid level detection sensor HLK-LD8001B non-contact radar module for high-precision level measurement 15m detect range