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

36 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

3 answers

65 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

31 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

44 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

28 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

80 views

Hans Koene 1

• asked Dec 3, 2025

CE Certification LD2410C

Hi, I'm looking for documents regarding CE certification for a product using the LD2410C sensor: Radio frequency specifications and test reports EMF/SAR evaluation EU conformity declaration RoHS and REACH declaration Kind regards, Hans

ld2410c certification ce ld2410

0 votes

1 answers

46 views

Sergej 1

• asked Dec 2, 2025

HLK-B40 change serial parameters

Good day! There is a way to change serial parameters of HLK-B40? I found a possibility to change the baudrate, but there is no possibility to change, for example, the parity. As I see in the technical description of HLK-B40: data bit is 8, ...

hlk-b40

0 votes

1 answers

24 views

Camilo 1

• asked Dec 2, 2025

ld6002A firmware

We are recently testing the LD6002 for vital signs detection. The problem is that when the target remains still and the presence detection is lost, the total phase, breath phase and hearth phase signals stop. Is it possible to enable at lea...

firmware ld6002

0 votes

2 answers

46 views

Adam 1

• asked Nov 28, 2025

LD2451 - is logic 5V tolerant?

I see the datasheet states that the IO output levels are 3.3V but is the module 5V tolerant at the UART RX?

ld2451

0 votes

0 answers

25 views