79G millimeter wave liquid level detection sensor HLK-LD8001 radar module non-contact high-precision ranging up to 15m
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Visitor6864
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Buycount：
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Price$30.61
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
| 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) | 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 | ||
| 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 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
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