Alex 1

• asked Jul 5

URB2424S-3WR3 CTRL pin behavior inconsistent with datasheet

Hello, I am using the URB2424S-3WR3 DC/DC converter module in my design and I have observed a discrepancy between the datasheet description and the actual behavior of the device. According to the datasheet: “When floating or high resistance...

urb2424s-3wr3

0 votes

3 answers

88 views

Aditya Singh 3

• asked Jul 3

HLK-TX510 - request for English V1.00.0020 + custom firmware to relax 2D liveness (attendance deployment)

Hi, we're using the HLK-TX510 for a university attendance system (Raspberry Pi over UART, firmware V1.00.0006 English). Two requests: 1️⃣ Your team sent us HLK-TX510(V1.00.0020)_usb_657a53.zip, but it's the Chinese display build. Co...

facial-recognition hlktx510 tx510

0 votes

1 answers

54 views

Brian 1

• asked Jun 28

LD2451 Bluetooth no longer advertises after using firmware code FVTAWN.

LD2451 Bluetooth no longer advertises after using firmware code FVTAWN. Module responds over UART at 256000 via CH340. 5V power is stable. Blue LED is off. HLK Radar app and LightBlue cannot detect it. Please provide the latest LD2451 firmw...

ld2451

0 votes

3 answers

94 views

YASUSHI KIUCHI 1

• asked Jun 24

DCDC OUTPUT LOW VOLTAGE

I'm using a DC-DC converter, model HLK-URA2424YMD-10WR3. When inputting 10-12V DC, the output voltage is low, around ±15V. When the input voltage is increased to around 15V, it stabilizes at ±24V. Is there anything I should check?

dc-dc-converter

0 votes

1 answers

29 views

Adarsh Verma 11

• asked Jun 19

Requesting Footprints and Step Files for B0505S-1WR5

Dear Hi-Link Team, I am trying to find footprint and step files for B0505S-1WR5. no link or dimensions are mentioned in the datasheet. Thank you

footprint cad

0 votes

1 answers

72 views

Mass 1

• asked Jun 18

HLK-RM08 Network Connection Issue

Dear Support Team, I have been using the HLK-RM04 modules for some time, and they worked reliably both when connected directly to a computer and when connected through a network switch. Currently, I am using the HLK-RM08 module. When it is ...

hlk-rm08a-kit

0 votes

1 answers

28 views

KH 1

• asked Jun 12

HLK-LD8001H Protocol

Hello. Trying to undrstand the protocol for this radar module. After starting up as per the datasheet found on google drive, the module sends through 25 byte frames in hexadecimal. Eg. : 55 A0 03 A1 13 00 FD 5C C7 3C 02 04 00 00 00 00 CD CC...

protocol

0 votes

1 answers

39 views

Vishnu 1

• asked Jun 10

HLK-LD2402 showing wrong range/distance

Hi everyone, I am having trouble getting accurate distance/range readings from my HLK-LD2402 sensor. The range values it reports are completely incorrect. This issue has been happening from the very beginning, even before I changed anything...

ld2402

0 votes

1 answers

76 views

ccrider 1

• asked Jun 8

HLK-LD6004 — UART presence flag (0x0A0A) latches "occupied" while BLE reports correctly

Module: HLK-LD6004 (ADT6101P, 60 GHz) Firmware reported by module: project 6, version 3.18.0 Interface: UART 115200 8N1, TinyFrame protocol (per "LD6004 Serial Communication Protocol") Summary On the UART/serial interface, the human...

ld6004

0 votes

5 answers

219 views

Mihir Patel 1

• asked Jun 3

DC DC Isolated Converter B0505S-2WR3 Fails Repeatedly

Dear Team, I am using B0505S-2WR3 for supplying current of 18mA (10mA by Resistor & other 7-8mA as actual load) to my load at output of 5V while input (isolated) is powered by 5V LDO. The Resistor kept between Vout and output GND is 510...

isolated-dc-dc

0 votes

1 answers

59 views