Avinash 1

• asked Apr 8

Changing the frequency of HLK-LD2415H Radar

Is it possible to change/customize the frequency of HLK-LD2415H Radar ? In radar datasheet it is written that frequency is customizable. But no serial command is mentioned to change the frequency. Please help. We need to install two radars ...

frequency-of-radar

0 votes

0 answers

20 views

Camilo 1

• asked Feb 12

Fall deteccion from the wall

We want to implement a system with fall detection, we initialle considet the LD6002C but that one needs to be installed on the ceiling. Is there a solution for fall detecciton but from the wall? (similar to the MR60FDA2 from seeed)

ld6002c fall

0 votes

0 answers

12 views

Draco 1

• asked Feb 12

Encryption levels ZW0623

Does the ZW0623 sensor support encryption levels above 1?

zw0623 hlk-zw0623

0 votes

0 answers

9 views

Lucio 1

• asked Feb 9

HLK-RM08A-KIT-V2.5 fake motherboard ?

Hello, I received this HLK-RM08A-KIT (attached photo: [https://nuvem.utfpr.edu.br/index.php/s/f8qwF0hrXyShfrA), but I am in doubt if this is a fake motherboard. The motherboard color is very different from the color of the 7688A module, and...

hlk-rm08a-kit hlk-7688a

0 votes

0 answers

16 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

32 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

31 views

Vicbot 1

• asked Nov 18, 2025

The official firmware of HLK-7688A module.

Hello, I found your firmware from the link below: [https://drive.google.com/drive/folders/1fNV08Eu1_OCQUpqZ8By9CD68w4Ibh8fZ] Is the firmware marked in green box, named as "7688A openwrt.bin" your official firmware for HLK-7688A modu...

hlk-7688a

0 votes

0 answers

45 views