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  • shuai Adam 1
    •
    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
    35 views
  • shuai Adam 1
    •
    LD1115H-24G - Spectral Line Position
    What is the meaning of "spectral line position" in the information provided via the UART interface on the LD1115H?
    ld1115h
    0 votes
    1 answers
    32 views
  • shuai Adam 1
    •
    LD1115H-24G - User Manual Command List Query
    Hello - referring to the v1.2 User Manual (2021-12-06) for HLK-LD1115H-24G. The document says configuration commands are: th1, th2, dtime, mov_sn, occ_sn, save, get_all. BUT when "get_all" is sent, the returned values are like: th1 ...
    ld1115h
    0 votes
    1 answers
    26 views
  • shuai Lieven 1
    •
    hlk-7628n Factory firmware
    hi, i am looking for the factory wet firmware. uboot still booting but the wrong firmware got flashedprevious
    wrt-firmware
    0 votes
    4 answers
    98 views
  • shuai Adam 1
    •
    LD012 Re-programming
    Hello! The user manual for HLK-LD012-5G states: The state matches the specific resistance on the module to select the corresponding gear or use the external MCU reserved on the module to rewrite the internal parameters. But I cannot find do...
    ld012
    0 votes
    1 answers
    33 views
  • shuai Vicbot 1
    •
    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
    46 views
  • shuai Vicbot 1
    •
    My HLK-7688A module does not open web configuration page.
    Hello, I recently bought your HLK-7688A module from Aliexpress, and I also referred your user's manual below explaining how to open web configuration page: Microsoft Word - 7628N user manual.doc [https://fccid.io/2AD56HLK-7628N/User-Man...
    hlk-7688a
    0 votes
    1 answers
    62 views
  • shuai muhammed Dogan 11
    •
    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
    80 views
  • shuai admin 1
    •
    LD2410 APP USE
    HOW LD2410B TO USER
    ld2410
    0 votes
    1 answers
    131 views
  • shuai Jacky 1
    •
    ZW0901
    Can you provide me a library for Arduino or a sample code about how to use HLK-ZW0901.Please give most about how to use it,For example regit and move fingerprint and more about the hlk-zw0901's function
    support
    0 votes
    1 answers
    60 views
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