muhammed Dogan 11

• asked Nov 17, 2025

FM225 Face Recognition module Image Capture feature

Hi, We bought your FM225 face recognition module and we want to use it for capturing image with UART commands but module reject 0x71, 0x72, 0x74 commands. We tried it also with encryption but encryption failing. we couldnt communicate with ...

fm225-

1 votes

2 answers

105 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

103 views

branco 13

• asked Jan 18

hlk-fm225

The FM225_CORE_V202N_R02EN module does not respond to standard HLK-FM22X commands. AT-based firmware is required for compatibility with ESPHome. Can you provide update software and official FM225_V20x firmware?

fm225

1 votes

1 answers

89 views

hugo 13

• asked Feb 21

Ld2410 firmware update

não-aparece-nada-

1 votes

1 answers

85 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

60 views

j_shirazi 1

• asked Sep 27, 2025

Latest LD2420 Firmware

Hi, I have several HLK-LD2420 modules, but with different firmware versions, such as 1.6.2 and 1.5.9, which act differently sometimes, for example, in "OUT" pin behavior! Now I want to know how I can get the latest firmware to upgra...

support

0 votes

4 answers

635 views

Mcalaciu 3

• asked Oct 12, 2025

HLK-LD2410

Hi, I unintentionally downgraded the firmware from version V 2.44.25070917 to V 2.44.24073110 using the 'HLKRadarTool' on my LD2410C sensor. How can I restore the previous version or update back to 2.44.25070917, since it is not ava...

support

0 votes

1 answers

256 views

Camilo 1

• asked Oct 30, 2025

PC software for ld6001 and ld6001A

We recently bought a LD6001 and a LD6001A for people tracking, on both product guides guides respective pc gui viewer are mentioned, however we are unable to find them. We would like to have the viewers in order to test the modules and to h...

support

0 votes

2 answers

221 views

Tim 1

• asked Sep 21, 2025

LD2415H unable to change configurable parameters

I have an LD2415H, and I have a couple of questions: (1) The documentation says that both the red and green LEDs should flash three times upon power-up, but this doesn't happen with mine. Only the green LED flashes, and I have never see...

support

0 votes

3 answers

196 views

userhijav 1

• asked Apr 10

HLK-LD2410S is not compatible with the protocol specification?

Hello, I purchased some HLK-LD2410S radar modules and would like to use them with Pico 2. However, the output from the UART interface is not compatible with the HLK-LD2410S protocol specification. Attached is a sample code in micropython fo...

protocol-specification hlk-ld2410s

0 votes

6 answers

159 views