esper 1

• asked Sep 29, 2025

Please also send me the HLK-LD2402 antenna radiation pattern.

I am currently developing a product using the HLK-LD2402 sensor. In Korea, when you receive sensor certification, you need to have the radiation pattern data of the antenna. I will attach the 2D and 3D pictures that I used to get the existi...

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0 votes

1 answers

165 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...

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4 answers

732 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...

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3 answers

205 views

born.fight.die 1

• asked Sep 19, 2025

How do I enable the English interface in 1040 software?

Hello How do I enable the English interface in ld1040 software? I couldn't find either the xml file with settings or the UI tab with language selection in the interface.

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1 answers

160 views