JJ 11

• asked Dec 21, 2025

HLK-LD2415H, pin1 y pin2.

Hi. I've purchased an HLK-LD2415H radar and need to connect a relay to activate a photo and video camera. However, I don't understand how to do it. The radar is working correctly. It's powered by 12V. The radar communicates corr...

hlk-ld2415h

0 votes

2 answers

65 views

marco 1

• asked Dec 20, 2025

LD2413 does not respond after parameter change

Hello, after sending a wrong timing with command 0x71 to LD2413, it stopped responding. Even if I remove the power supply. Now nothing is sent out from the TX line. best regards. Marco

halt

0 votes

2 answers

74 views

Ahmad 1

• asked Dec 19, 2025

HLK-LD6001A trouble using with a esp32

Hi i am working on a bidrectional people counter project, by making zones with the HLK-LD6001A where if one one goes from zone exit to entry means he is living and vice versa by seeing the dirction, i am working with this with my esp32, but...

notworking

0 votes

1 answers

82 views

Adam 1

• asked Dec 17, 2025

LD2410S Spurious (invalid) ACK messages

Consider the following sequence (where sent messages include the frame start/end but the response information only shows the within-frame payload without length bytes): [empty receive buffer] I start command mode and get the correct ACK {co...

ld2410s

0 votes

1 answers

65 views

Adam 1

• asked Dec 15, 2025

How to use LD2410S "automatically update the threshold" command?

The serial communication protocol document indicates automatic threshold determination can be achieved with command 0x0009 but does not explain the meaning of the command values. How should "trigger factor", "retention factor&#3...

ld2410s

0 votes

2 answers

91 views

Rob 1

• asked Dec 13, 2025

HLK-LD2460 unresponsive after firmware upgrade via Android HLKRadarTool App

I've tried to upgrade the firmware from two of my HLK-LD2460 modules via the official HLKRadatTool Android App, at first it looked that it went ok, and the firmware version changed from V1.3.2503 to a newer version.. but as soon as I tr...

hlk-ld2460

0 votes

4 answers

228 views

Nadav Kehati 1

• asked Dec 10, 2025

HLK-PM01 5V Backfeed

I am using the HLK-PM01 to power IOT devices. These devices have a USB-C port, that if powered will backfeed 5V into the HLK-PM01 5V input. What happens if the HLK-PM01 receives 5V into it's output pins?

hlk-pm01

0 votes

1 answers

66 views

Joao Canas 11

• asked Dec 10, 2025

HLK-LD2415H Firmware Update

Hi, we have have acquired an HLK-LD2415H sensor that is to be mounted on a vehicle to determine its speed relative to a wall. After testing it with the current firmware, we realised that it doesn't provide any measurements when the spee...

hlk-ld2415h low-speed update firmware

1 votes

1 answers

75 views

Camilo 1

• asked Dec 4, 2025

ld6001A

I am still unable to make it work, the steps I am doing I connect 4 wires, 3.3v, Gnd Tx and Rx (nrst i leave floating) With Sercomm I am able to set AT+DEBUG=2 (is this correct?) to use the protocol described at Radar LD6001A-60G Protocol S...

ld6001a

0 votes

0 answers

57 views

miki 21

• asked Dec 4, 2025

Программа HLK LD_TOOL (v.1.2.1.1)

Я установил программу, но при открытии программы рамка срезает нижние и крайние правые кнопки и я не могу сохранить изменения. Можно ли это исправить?

программа-hlk-ld_tool(v.1.2.1.1)

1 votes

1 answers

113 views